Did the Catch Can Work? 10k MILE TEST

2 роки тому

Does a catch can work? Will it keep carbon off the intake valves? Is a catch can worth the money? These are all great catch can questions. Today we test 10k miles and over one year of running a catch can on my Golf R. I also sent a test of the catch can contents to Blackstone to see whats really in it.
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The content of this video is available for informational and educational purposes only. It is not intended to be a substitute for the professional advice of a mechanic who has personally inspected your vehicle, nor does it create a relationship of any kind between the Humble Mechanic and you. Every situation may be different, and the Humble Mechanic does not make any warranties, whether express or implied, as to the accuracy, fitness, or applicability of the information or automotive parts portrayed in this video to any project and makes no guarantee of results. The Humble Mechanic and any sponsors of this video will not be liable for any damages related to personal injury, property damage or loss of any kind that may result from the use or reliance on this video and/or any automotive parts represented in this video. You are using the information and automotive parts portrayed in this video solely at your own risk.

КОМЕНТАРІ: 1 200

@gldmembr6132 Рік тому

Finally someone that did true testing and true inspection of the valves with a catch can.

@Nipplator99999999999 2 роки тому

I usually put about a 1/2in. of antifreeze in a catch can, with a water separator catch, during the few months the temp can reach freeze danger after patching 3 winter cracks.

@MrWilliamathomasusa 2 роки тому

Great 💡 idea --- Thanks 🙂

@DR-lw2do 2 роки тому

I run JLT 3.0 catch cans on my 3.5 Ecoboost transit vans. I'm in Michigan and we get some oil, water,fuel mix in the can (definitely more oil blow by than your VW). We empty them with every fuel fill aka once a week. The catch a lot more water in the winter (hence frequently emptied). The can can hold more but they are easily emptied and if you miss a week or two you're still ok. I don't want to risk filling it all the way up with water and then having the engine suck through a big lug and hydro locking (probably just paranoid)

@jockosboy17 2 роки тому

That is a really good idea. Thanks

@MrTheHillfolk 2 роки тому

Wonder if insulating the can would help. We had a big problem with pcv breathers on some gensets a few years back when the catch can wasn't insulated. They added insulation and no more freezing problems.

@joshuaho3150 2 роки тому

Do not add antifreeze, it poisons catalytic converters when it burns. Add pure alcohol like methanol or ethanol instead.

@met9009 2 роки тому

Good update! If those lines are not teflon lined lines they will leak smell through. Almost need to run fuel rated lines for catch cans. I figured that out the hard way haha :D keep up the great work

@alexpope5327 2 роки тому

Great video Charles. I am glad to see you use CeraTec as well. I just recently starged using in my 3.6 VR6 (and Liquimoly oil as well) , can't tell a big difference with it but I also put in my Gen 3 Coyote F-150. It made a huge difference in it, that engine is typically very noisy and it calmed down a lot of ticks and taps and made it run much smoother.

@lisaapthorp2729 2 роки тому

I used to have a Mishimoto catch can but it was a pain to clean. I changed it for a generic one that has a valve for emptying on the bottom. Noticed no difference in quality between the two, except that the cheaper one was smaller, easier to make room for and to clean. I put a silicone tube on the clean out valve to make it easier (and discrete) to empty. I found the smell from the catch can came mostly from the hoses going to and from the can. Mine are silicone, I have to change them yearly. Also between changes they need cleaned. If they get too fume logged, or people don't empty their cans the 02 will pick that up and adjust, leaning the car out. The can is not only saving the engine from having to burn that junk up, it also keeps it from going through the turbocharger and exhaust. No carb spraying out the exhaust if you two step, although it's kind of funny. Most importantly the catch can saves my diverter valve and therefor the turbo and engine. If you don't have a catch can, all that condensation gets caught up in the faster cooling parts of the system. Before I installed the catch, my car would bog or go into limp mode on rainy or even humid days. When I checked the DV I could dump the condensation and oil out of it. I personally would not run a modified, turbo charged car without a catch can. The original design uses a carbon reservoir like a catch can, but that's for a stock air intake. If you change to a CAI, the stock carbon canister just gets loaded and eventually your system can get choked out on condensation alone. So carb saving or not, I'd keep a can on.

@vegas272007 2 роки тому

I just bought a GDI Turbo and even though it's not a VW, your series has been super inciteful. Take my sub!

@MC-yx2gn 2 роки тому

Great video. I’m debating putting one on my 2020 WRX, and being that it’s a turbo charged engine I’m leaning towards doing it. An AOS is arguably better (so I’ve heard) but I’ll set reminders on my phone to just check the can every couple months or so. I now know that my prerequisites for make/model are: drain valve (or plug at minimum), seamless install w/out removing factory components, biggest size I can fit to avoid multiple servicing. I’m going shopping.

@jimssawsnstuff8903 2 роки тому

Really good tips on features to lool for in a good catch can, vs what yours didn't. Thanks for that. I believe your 10k to 20k pics were pretty clear to me that it works 😉👍

@knightsportsfc3s 2 роки тому

Really thorough video. I'm frightened to think what my 125TDi Passat has in the manifold. I'm still convinced that it's choking as it feels laggy under 1,800rpm but the boost compensation feels fine in the upper rpm. Fantastic video 👍👍👍👍👍

@pilotsafari5613 2 роки тому

Hi Charles, you’ll probably find that the rest of the carbon build up is coming from the egr system. It would be an interesting experiment to run an egr delete and the catch can for a while to see how much it affects it.

@CorruptInfinityOfficial 2 роки тому

Probably not the best idea to posts videos online admitting you deleted any emissions systems with all the epa stuff going on. Just my two cents as a car enthusiast who has been staying informed. And the fact one of you thought I was saying the catch can is editing the emissions system is special education, I was responding the uploader literally mentioning in the video .possibly making a video about an EGR delete. But keep spewing bull crap.

@crisnmaryfam7344 2 роки тому

@@CorruptInfinityOfficial Depending where you live, might not be smart. A person is not a business though,

@billpendergrass9466 2 роки тому

@@CorruptInfinityOfficial It is not clear that anything was deleted. Neither this video nor the raceline info gives details about the pcv valve replacement parts. If there is a functioning check valve still in the system, there was no change to the emision system. Even without a check valve, the crankcase still appears to be vented to the intake with the second hose which is the goal of pcv.

@CorruptInfinityOfficial 2 роки тому

@@crisnmaryfam7344 it doesn’t matter where you live, people are getting hit in every state and you are misinformed if you think otherwise. People are getting personal visits from the EPA and small businesses are getting hit with fines for selling items like a hondata addon chip that allows you to add more functionality to older obd1 cars. PFI speed was hit with a 18k dollar fine for selling Hondata chips because they say it modifies the emissions system on the car, you need to google the rpm act and realize things aren’t like they seem.

@CorruptInfinityOfficial 2 роки тому

@@billpendergrass9466 learn to understand context. Didn’t even say catch can bootyhead

@cjem802357 2 роки тому

Amazing video!! Thanks Charles for keeping us updated on this install! I had the same problem with Diesel Engines, there is another piece of equipment that can cause carbon built up, the EGR, and the burning oil smell can be coming from that. I had remove some EGR´s valves and they contain some oil mixed with carbon residue from combustion. I'm not sure if, in this GTI, the EGR have a direct pass through to the intake manifold but in some vehicle the control valve is located near to the exhaust and the rest of the system have a direct connection to the intake. Please, check your EGR and make sure it is clean! I have been using ProVent 100, 150 and 200 from Mann and it works (at least in diesel engines)!

@RichardFanders Рік тому

Fantastic video, so much effort went into this, thank you.

@vroomzy1 2 роки тому

I have a catch can on my 2017 Tiguan and have noticed the same thing. The cooler it is the more water it collects. Moisture is a by product of combustion and this is coming out as blow by and rerouted into the intake manifold by the manufacturer. The catch can seems to condensate this moisture into liquid. I have to drain mine every 1 or 2 thousand miles. This is a VERY stinky liquid. Don't spill it and were gloves. Treat it like hazardous waste. But on the upside I've noticed my oil doesn't smell so bad anymore at 3000 miles and I'm certain it is cleaner too. All of this is bound to help with carbon build up.

@indpeanut 2 роки тому

Dual injection would fix ALOT of problems.

@OlguinInHD 2 роки тому

Audi added that to their newer V6 engines, actually.

@kfrdubber 2 роки тому

Or service ports so that you can "seafoam" right into the each intake runner.

@kfrdubber 2 роки тому

Or CRC spray into each intake.

@rennkafer13 2 роки тому

@@OlguinInHD and the RS3/TTRS 5 cylinder as well.

@MagnumOpos 2 роки тому

I believe Toyota did that would their 2.0 M20 engines in the newer Corollas. I'm curious to see the results as time goes on!

@treborg777 2 роки тому

Thanks for doing this. I’ve had a catch can on my 2013 Q5 for many years & have wanted someone to do what you’ve done.

@WilliamOfUrnge 2 роки тому

Great video as always! I remember finding a link in a forum (maybe VW Vortex?) that Mishimoto(?) did not have success developing an effective catch can developed for the Mk7 because they found that the PCV/oil separator VW installed was so effective. That was an older article so that may not be up to date and they may have developed something! Lol Just bought an Alltrack in 2020 (first step into the DI world). I watched your older video from 6 years ago about ways to prevent/slow carbon build-up. You mentioned that there's still a lot we don't quite understand about carbon build-up then and it looks like we may be in the same boat now. Just curious if there has been any further revelation on the topic of carbon build-up. As a lifelong VW owner, I appreciate your insight and your hard work!

@Mike-gz4xz 2 роки тому

This is the best video iv seen so far about catch cans testing ,really enjoyed it , well at least it didn't make things worse 🤣 , looks promising , i built my own , took for ever though but can screw of the body easily no other dismantling involved .Many thanks .

@naotamf1588 2 роки тому

I want to build one and was thinking to use two old oilfilter cans, the upper should hold the siphon tubing and the lower should unscrew like an oilfilter to empty it. do you think that could work or is such device not as simple as I imagine?

@Mike-gz4xz 2 роки тому

@@naotamf1588Well i actual bought a BMW oil catch can off ebay was about £15 saves on that side of the build , as it has two 19mm in and outs on it ,the rest like brackets, fixings, pipes, and hook up to psc valve and to turbo in elbow i had to think long and hard, as its all gota seal properly with O rings ect ,so you need to be up on it ,and thinking out of the box.Sure Anything can be done .

@jhuntosgarage 2 роки тому

Can a catch can be converted to a reservoir? Like for a Sea Foam or similar product? Seems like that would have more benefit sort of like DEF in diesel engines. Great work here Humble. Thanks for sharing.

@jamesxuyan 2 роки тому

been waiting for this video for a year. Thank you very much

@billmcdonald2436 2 роки тому

Thanks for doing this experiment and sharing the results with us

@HondaProJason 2 роки тому

Love this video, Learned a ton about DI engines and catch cans. Thanks Charles 👊🏼

@JS-hw8ve 2 роки тому

No you didn't. This is bullshit. Find other videos, because this is full of shit.

@davidfrom313 2 роки тому

I have the same catch can installed on a MK7.5 as well and I installed it because I watched your video and I have to say the same about the oil smell after the install. Also I have the same dislike with the engine bolt and washer bottle diminished capacity. I hope others understand it's not a cure to the carbon build up but a little help in preventing it.

@pnrcomps 2 роки тому

Great info! Enjoying the insights, love my apr cc

@stevep4236 Рік тому

Thank you for doing this test, been thinking about doing a catch can or AOS

@mrD66M 2 роки тому

I have a N54 catch can and my take is it helps a lot in smaller journeys (when the engine does not reach ideal oil temp), as there will be substantially more water/oil in the can - in colder weather it will be mostly water - compared to when going on a longer trip.

@bobvance- 5 місяців тому

If you're driving your car long enough or letting it idle enough you will burn away all the water in your oil..

@wanderingsouthafrican2280 2 роки тому

Hey Charles, I run a ProVent 200 'Catch-Can' more a oil separator than a traditional catch can from MAN+Hummel on my 3.2L Diesel in my Ford Ranger and have noticed the same as you. My theory is that there is less 'wet' oil returning from the crank case to the valves which provides adhesion for carbon in the exhaust gasses from the EGR to stick to and then burn on in the heat. As there is less oil in the system the gasses from the EGR over time may potentially have a cleaning effect, over time. MAN-Hummel actually recommends that people do not block their EGR off after installing their system. I tried finding the video where they said that but cant track it down.

@knuddreeen2276 Рік тому

Hi from Germany, I use the M+H Provent 150 on my VW T6 2.0 TDI sice Jan 2021 and it works very well. I think it is the best cc on the market.

@ThunderGoatz 2 роки тому

Got my '19 GTI around the same time as you humble. Except mine has 74k kms on it. Get to driving my man! Good stuff with the catch cans, I wish winter time wasn't a concern, or I'd probably get one as well for a peace of mind.

@fastandloose3856 2 роки тому

You should try the Mann and Hummel catch can. It's way more practical and easy as to drain. No need to remove the can itself. It has a drain hose which collects the oil and water and is simply emptied via a tap at the end of this hose. It also has a filter element within the can itself which, as per manufacturers instructions only needs to be replaced every 40000 kilometres. Hope this helps. Cheers for the video 👍

@mikeschafer2474 2 роки тому

I really like the catch can on my focus st because it has a hose that comes down from the bottom with a valve so I can drain it from under the car while I'm doing my oil change all as the same time. It's really nice I don't have to remove the can each time, just open the valve.

@mdanielsolis 2 роки тому

Which one do you have, curious I have a st as well and want to put a can

@SSVlogsYT 2 роки тому

Which one are you using I have a st as well 350hp tuned and my tuners says i should get a catch can soon. Curious to know what you use

@kpbmx 2 роки тому

Ditto on my Golf. I actually created a lower/extended stainless tube/sump for mine that lives behind the front grill. Easy to pop grill and just let drain every few thousand km

@rosstudisco8650 2 роки тому

@@kpbmx which can ru using?

@kpbmx 2 роки тому

@@rosstudisco8650 it’s technically not a catch can. It’s a febi e53 cyclonic oil separator, I think from a 4ltr+ BMW v8 that usually has a handed pair for each bank. 1 on my 2.0tdi has roughly the same capacity, fits neatly next to the fuel filter and only cost £11. Just needs some form of sump to drain to. Kudos to whoever the guy was that suggested this (an Aussie forum I think?)

@Xfacehack 2 роки тому

Well you still have the egr vavle in place and that will definitely let soot build up onto the valves. I noticed much less soot in the intake and on the valves on my bmw n57 when i did an egr delete.

@rockervdrive 2 роки тому

Great test and theory analysis!

@auxmike718 2 роки тому

Interesting! Thanks for mentioning it can freeze. I never though of that!

@chevyon37s 2 роки тому

I run a catch can on my silverado 5.3L (Vortec, not a DI ecotech) and I’ve never had a problem with it freezing up in winter time even after 3 winters with below 0° temps. But I also have never seen that much water:oil come out of my can. I have just a small moroso can, but I drain it every 2k miles or so, little more frequently and it’s never been full.

@anguslean4058 2 роки тому

Just add an ounce of straight anti freeze to the can in the winter

@mpick9404 2 роки тому

Great vid👍🏻 Had never considered the water & freezing in winter issue. Could be a major issue in the UK winters. Very interesting. Cap of antifreeze in there maybe? 🤔 🤷🏻‍♂️

@AaronHalpin 2 роки тому

Yes, I know several people who put about 1/4 cup of antifreeze in the catch can during colder months (especially if they park outside)...just have to keep an extra eye on the fluid levels. My cars live in the garage and are only outside while I am in the office...so its usually back above freezing by then.

@danmaloney9407 2 роки тому

Thank you. I have been wondering about catch cans for a long time now. I would take out the catch can. I always figure if they worked the factory would put them in. Those engineers do a lot of testing on things. i really enjoy your VW videos.

@viperidaenz1 2 роки тому

The factory doesn't want to add another thing that requires servicing. They are actively trying to extend service intervals. My BMW auto transmission has "lifetime" transmission fluid and 19,000km engine oil change intervals. I assume the fluid will last the life of the transmission, as the transmission will be dead soon after the fluid needs changing.

@tonylopes8175 2 роки тому

Hello, yes the catch can worked for me, however I'm up in the north long Island NY and with the cooler Temps my can would fill up quicker with water so I removed it due to the large amount of water collection in the can from the moisture. Very good info as always thank you.

@drew10981 2 роки тому

I'm sure the long drive had some impact on how clean they were. But there's plenty of overall evidence that a catch can at least mitigates some of the carbon build up seen in engines. Does it solve it? No, probably not. Does it elongate how long it may take between needed cleanings? Plausibly. If for example a carbon cleaning is needed every 50k through normal use and a catch can can extend that number by 30% or more, that feels like a good investment in my mind. Because at say 150k, that's 1 less cleaning you've needed in the same mileage. And there's the residual impact on various internal components within/connected to the engine too.

@I_know_what_im_talking_about 2 роки тому

Very well said. 👍🏻 I think a cleaning is needed once you notice performance degradation. Sure there’s gunk on the valves but is it causing the engine to run poorly? It has to build up quite a bit to cause a problem. I have 100k miles on a Di Mazda 3 engine and it runs amazing. I’ve been driving it for 7 years since new. What carbon build up? 😎😅

@aaron___6014 5 місяців тому

What about no catch can, so no constant maintenance on it. And a cleaning at every 100k. Far cheaper and since you've power over a longer time you'll notice a bigger boost after the cleanings. Better yet do nothing because you'll probably sell the car in a couple years.

@MatthewGDunlap 2 роки тому

The Humble Wife: "Honey, where is my good measuring cup?" Charles: ... Is there a recommended interval for cleaning valves in a DI engine? I would be interested to see how the engine looks with a catch can from clean, all the way to that interval.

@panzerveps 2 роки тому

No. There isn't any intervals for cleaning valves, but from what I've heard and seen, you might want to inspect them at around 80000 km. Too much carbon buildup will cause a code on the spark plugs/coils (can't remember the code at the moment) and a rough idle when cold.

@I_know_what_im_talking_about 2 роки тому

@@panzerveps - I have 100,000 miles (160km) on my Di Mazda 3 engine. I’ve been driving it for 7 years, since 3 miles on the clock. Runs like new @ 105k miles as I type this. I do thrash on it quick a bit though, revving it out to redline “Frequently”. 😅

@chasl3645 6 днів тому

@@I_know_what_im_talking_about If you aren't running a catch can you might think about cleaning those valves before a chunk of that gummy crap screws up your engine.

@I_know_what_im_talking_about 3 дні тому

@@chasl3645 - bruh, it’s been two years since my post. The car now has 135k miles. Still no driveability issues from Carbon. 🤷🏻‍♂️

@chasl3645 3 дні тому

@@I_know_what_im_talking_about I just went to 140,000 with my Optima if it starts using oil, baby it. I take my wife's car up to the gas station a couple times a month and wash it for her then I give it an Italian tune-up and drive home. Didn't work so good last time lost compression on cylinder 3. Car was running like a dream. Until that happened. I'm putting a catch can on my new engine.

@nickmarcogliese5808 2 роки тому

Charles, in the subaru world we sometimes need to install turbo vent sump restrictors to get rid of the burning oil smell. Sometimes in less restrictive downpipes it changes the back pressure within the turbo and draws some oil through the seals burning it in the exhaust...

@robtoogood201 2 роки тому

Love your vids, you need to fit the port injectors like our UK pre GPF Golf R's!

@benzineist 2 роки тому

Would you consider removing the PCV plate to investigate the burning oil smell/general inspection of that component?

@davembman3285 2 роки тому

Idk one time I removed mine and found a piece of severed metal aluminum.

@jvb4218 2 роки тому

Great video Charles 👍 What engine oil change intervals are you observing? Why are you running 0w30 instead or 5w40?

@SonOfTheDawn515 2 роки тому

Because of the sticker in engine compartment stating to us 0w30. He covered that a couple months ago.

@garyburrus9379 5 місяців тому

I know this is two years old at this point, but I want to say that I'm glad you mention the freezing of a catch can due to water. I have had freezing happen twice on my WRX, once with a cheap catch can, once with my AOS installed. I found out that the problem is that the PCV lines are directly under the intercooler, which when driving at higher speeds for long periods caused the lines to freeze. Then, with the car sitting outside overnight, the catch can freezes. My fix is to put cardboard over the intercooler in the winter, that keeps the cold air from freezing the lines. Also, while it's not 100% effective, part of the problem still exists with the EGR. That's what's cooking the oil and turning it into carbon. Even with a catch can, there will still be some oil in the system, just not as much.

@mjb995 2 роки тому

I was considering a catch can for my '19 Atlas 3.6 Liter. But I live in Canada, so its just gona freeze half the year. Great video as usual, thanks.

@Mattmazz77 2 роки тому

That sticky gunk on the shaft of the valve will cause a sticky valve. It's nice that the valve It's self looked good. So the catch can kinda help with half the job 🤔

@thiagofeltrin9841 2 роки тому

Hello brother! I'm from Brazil and after studying about this product I've decided to install it on our VW TCross 1.0 TSI. Since this may help a lot of people as well, I'm going to come back here in some time to tell you if it worked here. My situation is that 70 to 80% of the mile usage is on highways (about 100km/h) and daily use in São Paulo SP. The thing is that I live on the beach so maybe we will have more water here from the air. I'll be glad to tell the results in some months, thanks for sharing your experiences! Best regards ♡

@infiniticn9941 2 роки тому

Hi, care to share your findings? it's been some months already..........

@henrytom5824 2 роки тому

This was freakin awesome please do another on another 10,000miles that would be amazing. Also what is your oci on this vehicle?

@Max_Thunder 2 роки тому

Thanks for doing this Charles.

@s.o.s.exploration2412 2 роки тому

One thing Ive learned with catch cans. It is best to have your catch can close enough to your engine as to keep it warm and prevent freezing. Best 2 empty out the catch can after every use if using the vehicle in a cold/freezing environment.

@markm0000 2 роки тому

Some other guy said to put a little alcohol in the catch can so the water doesn’t freeze over.

@bulletproof8686 2 роки тому

@@markm0000 Wouldn't the alcohol evaporate?

@markm0000 2 роки тому

@@bulletproof8686 I don’t know. Maybe antifreeze would be better but that’s not good for your catalytic converter. Just drain the catch can more often in the winter.

@CadillacDriver 3 місяці тому

Close to the engine? Once the engine has cooled - then what? Back to square one.

@s.o.s.exploration2412 3 місяці тому

@CadillacDriver if you're dealing with below freezing temps like here in Wisconsin, it's best to park it whenever u can in the garage. If u do have to park it outside in freezing weather, then unscrew the can either when you park for the night or make sure u take the collection cup off and empty it out. There are plenty of issues and possible oil starvation if you're dealing with the temps that I'm currently dealing with. As we speak, it's 6°F with a -27°F wind chill. Normally, my sleeper wagon hibernates throughout the winter, but thanks to a county plow with a front shovel, which has a height of my Fiesta hatchback, I'm driving my show car till it gets back from the collision place. Sux, but yuh gotta do what yuh gotta do.

@mohammadabdussalaam8728 2 роки тому

You could take the catch can off and check the valves after another 10k miles to see if the carbon/yuck on the valves comes back :) Do you think the oil burning smell is from catch can causing a restriction on the PCV system? Would that cause oil in the combustion chamber?

@coolissimo69 2 роки тому

I love this type of videos bro.

@davidspez7267 2 роки тому

I run the Provent 200 catch can it has a manual valve and hose to drain. Very happy with the results and only have to change filters every 40k KMs. I also have the oily smell after installing the catch can and I don't have any leaks either. My guess is that it's the oily vapour residue in the hoses from to the catch can, now sitting on top of the motor closer to our noses.

@deanstephens6131 Рік тому

Hi Charles - Do you think what could be happening is that the catch-can is preventing further carbon build up, and the fact that no further carbon was being added to 3 and 4 has allowed the previous deposits to have been burned off?

@blundy1 4 місяці тому

He never answered but this is also my guess. It makes sense if you think about it from a longevity standpoint. This video basically convinced me to finally pull the trigger on a proper catch can setup.

@mroldsoul11 2 роки тому

I don't think a catch can will eliminate carbon on the valves. I think it's slows the build up

@casketman14 2 роки тому

This is exactly what I was thinking when watching this video. There are definitely other variables at play not just the catch can.

@HumbleMechanic 2 роки тому

Yep. That’s why testing these for definitive proof is almost impossible

@I_know_what_im_talking_about 2 роки тому

@@HumbleMechanic - well, had you just throw on the can and not modified anything else, it would have been quite simple to get accurate data from this experiment but you had to go and complicate things. 😒😤🤷🏻‍♂️ I still appreciate the hard work and update. Did you clean the valves again before assembly?

@racingdreamz8021 2 роки тому

I added a catch can to my 3rd gen prius, Stopped the oil consumption issues & also stopped the oil from dumping into the intake....saved my Prius’s life

@stevecade857 2 роки тому

Fuel and its additives with help remove the previous carbon build up.

@shmavitz 2 роки тому

Cool video. It would be interesting to analyse the engine oil to see if the catch can had any effect in preserving its properties and compare to without the catch can. I imagine at least there would be less water in the oil with the can which has to be a good thing?

@gregwheless7521 2 роки тому

Those results were surprising. I expected it to help but that’s crazy. If we keep my wife’s mk7 gti it’ll definitely be getting a catch can for sure

@albert427 2 роки тому

I don’t see a significant change as a result of a catch can on the EA888. But I have to agree with the BMW guys saying it helps on on the N54/N55. I have a theory on the burning oil smell coming from the water boiling off in the catch can. This happened to my cousins N55 where the catch can is located by the hot exhaust. This is not the case on the R. Or does it get hot enough?

@chriskelvin248 2 роки тому

Though I was HOPING to see that the catch can was having a clear-cut positive effect on carbon buildup ( I have the same year/ model ), I am just as pleased and perhaps more interested that you instead simply reported the results whatever they happened to be! At what point did you go stage 2? Do you think THAT had an influence on your experiment? I understand the variables complicate interpreting the results.

@rambow70 2 роки тому

I read on the forms that MK7s don’t have bad carbon build up due to a pretty good particle filter in the PCV.

@jims.3987 5 місяців тому

You and every other dummy who paid $800 for a F'ing catch can kit. lol

@williamj1969 2 роки тому

Great video. I like seeing the intake ports and valves. It might be beneficial to try a coalescing catch can. I have a Mann provent on my car and I get 99% oil in the summer and 90% oil 10% water in the winter. If there isn't some sort of media inside the can for the oil mist to stick to and drip down the mist can just carry through and head on into the intake then to the intake valves.

@hitmancontracts Рік тому

I had this catch can in my golf tdi 2005. No problems summer or winter. Totally forgot about it. Thanks for the reminder. 👌

@jamesmedina2062 2 роки тому

You da man Charles!! Great video!!

@rjsoderlund81 2 роки тому

I've had a cheap catch can on my mk6 gti for over a year now, and I can tell it's helping because my tail pipes aren't carbon black every 2k miles anymore.... actually I haven't had to clean them all summer, they're still nice and chrome. That has to be helping further upstream logically.

@great4ever845 2 роки тому

What does this mean if tail pipe is black my camaro Is

@rjsoderlund81 2 роки тому

@@great4ever845 it means your engine is burning oil and not just gas. This isn't abnormal, as pcv vapors contain oil and are vented into the intake by design to be burned off.

@bogdandacian2001 2 роки тому

@@great4ever845 or it's running rich

@JamiesGarage1 2 роки тому

Awesome testing! So weird how those valves almost looked better after 10k 🧐

@jeromevet007 2 роки тому

might be that they drove less short trips,

@josephhodges718 2 роки тому

@@jeromevet007 I think the water being basically doused on top of oil from the PCV allows the intake valves to never reach a temperature that it burns off the carbon deposits. Removing that variable let them run hot enough to dissolve them over time.

@MaNNeRz91 2 роки тому

Higher exhaust temperatures would clear it out. Hence the term "Italian tune up"

@myname9252 2 роки тому

Thats VW for you. Too cheap and lazy to have dual injection like Toyota .

@myname9252 2 роки тому

@@MaNNeRz91 No. That just contributes to faster build up on the back of the valves. Its the intake valves that are the problem,not so much the exhaust. You are correct on high temps clearing out the carbon though. To an extent at least. Just not in this situation.

@john_dee1431 2 роки тому

Good observation of the bolt that would be needed to retain the catch can. It's the type of feedback one would hope the manufacturer is listening to.

@johndevos9003 4 місяці тому

I added a catch can to my Ford Explorer (2.3 eco boost) and have that same smell at times, it almost smells like exhaust. I bought the UPR catch can, and I empty it at every oil change. Great video thanks,

@strangeskull 2 роки тому

I think the definitive answer is how 3 and 4 got cleaner……. But I don’t think a recent long highway drive would of cleaned them like that……the catch can must be improving the situation a little bit!……for as little as it takes to install and maintain one(with a drain)….I’m sold on the idea !!

@mkefayati473 2 роки тому

Drill a hole under the can and install a valve dang it.

@hialeahhigh 2 роки тому

Catch cans are 100% worth it on anything direct injected or even port injected engine. If VW would use both port and direct injection like every other manufacturer has done to eliminate ir prevent carbon build up! Their engines would run so much cleaner but nope they’re still stock on just D.I. 🤷‍♂️

@aygwm 2 роки тому

This is why I refuse to purchase a new VW. Steadfast German dedication to questionable technology. Let’s go back to the time when VWs were properly engineered! Ps I drive a Mk3

@davekana8388 2 роки тому

@@aygwm ALH here!

@whuzzzup 2 роки тому

MPI is standard in most german VWs though? EA888 gen 3 has MPI and my 1.6 A3 from 10 years ago also has MPI.

@hialeahhigh 2 роки тому

@@whuzzzup not in the u.s

@TsLeng 2 роки тому

@@whuzzzup not anymore in the EU. It's DI + particulate filter. I have one of the last dual injected EA888 gen 3 VAG cars before they all switched.

@K03sport 2 роки тому

Thanks Charles. Good tip on the winter removal. I think even AOS, that are heated, can still pose a problem because it will take several minutes for warm/hot coolant to start flowing. > As for the drain, dill and tap a hole for a Fumoto valve. This will allow you to drain the can w/o removing it. Location is dependant on your application. < Cheers. 🍺

@jaredbawden6707 4 місяці тому

AOS shouldn't have the same issues as a catch can, as they do not retain fluids. They have a drain line to recycle the oil, while the hot water vapour will go to the intake as usual. There may be a small amount of condensation while it's cold/warming up, but nothing of significance.

@2000freefuel Рік тому

A catch can like this would have been awesome on my 1996 Passat TDI, those engines are infamous for gunk buildup on the intake runners. the most common "FIX" is blocking off the EGR and installing a filter in the crank case vent.

@CC-uh8gl 2 роки тому

Charles, remove the catch can and take it apart again at 10K miles.

@HumbleMechanic 2 роки тому

I’m loving this idea more and more.

@CC-uh8gl 2 роки тому

@@HumbleMechanic 👍

@henrytom5824 2 роки тому

I was just saying the same thing I’d love to see this even more.

@georgen9838 2 роки тому

If you do this, definitely reintroduce some Ceratec -- I'm wondering if that actually had more of an effect than it's being given credit for.

@12superaslan 2 роки тому

Had the ECS catch can on my 17' GTI for about just under two years in total, with the latter part of it's time installed for all four seasons. Didn't catch anything in the first few months, so figured the can needed more in terms of baffles or filter media. Added two poofs of steel wool inside the can to help catch and bead off any oils or vapors. It was packed in there pretty well even though it was like kitchen sink type of steel wool and not the super fine stuff. Never found a drop of anything in the can for the whole time it was installed. Only thing I ever found was a little oil inside the lines to and from the PVC, can, and intake. In my opinion, kinda of a big waste unless you have a particularly high power build or something out of the ordinary where it might actually do something I guess.

@jellyd4889 2 роки тому

Excellent review of the catch can and additives. I don't need more info than this.

@Doucettedon 2 роки тому

I never considered the water issue for winter driving. I was going to install a catch can on my 2019 Silverado but with the -40c temperatures here in the winter has given me pause. Thanks for this video.

@HumbleMechanic 2 роки тому

Yeah Id for sure worry about that

@yankumarrah 2 роки тому

Really wishing that all North American destined EA888’s came with MPFI and DI. This issue is so unnecessary. Plus if we had both of those options I’d imagine the tuning options would be amazing running on ethanol. I’m sure there’s some mix of emissions and cost reason why this is not the case oh well.

@mleussin 2 роки тому

It doesnt change that much, here in Europe i also see buildup with dual injection

@swissjetpilot1542 2 роки тому

Have you had any experience with dry ice cleaning to remove carbon deposits? It would be interesting to see if this method is a possible replacement for chemical/manual and/or walnut shell cleaning. I've seen a number of chassis cleaning videos where dry ice is used to remove years of accumulated grime from under the car. One would think the same method should work for carbon removal too.

@bradhaines3142 Рік тому

works great on turbines, havent seen it used on a normal engine though

@yucannthahvitt251 5 місяців тому

The problem with dry ice blasting is that it's multiple times more expensive than media blasting because the machines are extremely expensive and it's super slow. You can even buy a cheap media blasting setup and do your own walnut shell blasting but good luck affording a dry ice blasting machine.

@jockosboy17 2 роки тому

I put a JLT catch can on my L86 (DI 6.2L) and in the summer I may get a few ounces of just oil over 5000 miles or so. In the winter I have to empty it every 750-1000 miles due to the water it catches (I wish it was bigger). I installed it for the same reason as you. To keep the valves from getting gunked up causing poor performance. I have been running it for almost 2 years now and performance is as good or better than when I installed it. This video made me feel better about it keeping the valves clean as I don't want to remove the intake just to check. Thanks!

@JasPlun 4 місяці тому

I researched my wife's vehicle choices and we chose a 2020 Toyota Camry SE over the VW simply because we wanted to avoid these hassles and Toyota actually did something about the carbon issues by adding Port a long with the Direct injection. A little more complicated, but so far to this day we have had no problems with the car and we have put 50k miles on it so far. I hope VW introduces their own version of the Toyota D4S system in future cars its a really good sallution.

@onecookieboy 2 роки тому

The 3-400 mile drive probably decarboned the intake a noticeable amount IMHO. Hours spent at high throttle openings and at ideal running temperature does wonders at removing carbon, it might have been interesting to use a borescope and have a peek at the pistons. I also suspect the engine in your car is in pretty good condition, so perhaps not much blowby when compared to an older engine.

@jims.3987 5 місяців тому

idk why everyone is so concerned with this carbon build up. Who cares. As long it it's not built up to where it's decreasing air flow it's not a problem. All that goes through that intake is air, it's not disrupting the fuel so it's not really that big of a deal especially on a mostly stock car that already has multiple bottlenecks and restrictions to air flow anyway.

@jayryan7473 4 місяці тому

@@jims.3987You shouldn't talk about things you don't know anything about. You're making yourself sound ignorant.

@karim.elsakka 2 роки тому

Great, now time to add an MPI fuel setup and see if that makes it even better!! (Too bad NA doesn't get the dual injection setup as standard...)

@bogdandacian2001 2 роки тому

The engine will run even better with the Multi-Point injection. No more cold start misfires, no more power loss :D

@karim.elsakka 2 роки тому

@@bogdandacian2001 are they actually that bad??, I'm in the UK and here even the 190bhp engines (At least on the SEAT Leon) have dual injection

@bogdandacian2001 2 роки тому

@@karim.elsakka Well, yeah. I own a DI engine (1.4 tfsi, 125 hp, motor code CAXC/ Audi A3). I have misfires even with the 100 octane fuel even with new spark plugs. It doesn't metter if the engine is cold or not. I own a Skoda Octavia Tour(the second generation,2011) with the 1.4 MPI engine(80 hp) and it's running great(only 95 octane), no misfires, no loss of power.

@bogdandacian2001 2 роки тому

@@karim.elsakka The Audi's great. I mean it is faster than the Octavia. I'm trying once a month to do an italian tune up (running the car hard, changing gear at 5000-4500 rpm). I ussualy change gears at 3000 rpm.

@karim.elsakka 2 роки тому

@@bogdandacian2001 Could be the intake valves carboned up, I don't have much experience with that engine so I don't know how involved removing the manifold is... I also hear that coil packs are a very common fault with these, but again, I don't have much experience with that specific engine. I've had a car (1.4TSI) where it had 3 different issues at the same time, all 3 together caused one hell of a misfire and it was running rich AF... carbon build up on intake valves, timing was slightly off (engine with digital timing, was 1.5 degrees off spec.) and an O2 sensor was giving random readings sporadically, I'd fix one issue and the misfire gets better but still there, till all 3 problems were fixed...

@markdavis8888 4 місяці тому

Keeping water out of the intercooler sounds like a good idea. Also, a curl-Q drain tube at the bottom of the can would allow draining yet retain all the gasses similar to a p-trap.

@NevaLose94 2 роки тому

Great video! I’m still not guna run a catch can but it’s great information for sure!

@razorraysolarsavings70 2 роки тому

Lol 😂 Why are catch cans a pain in the ass?!? I live in New England so if I install one of these Racinglines catch can, I gotta take it off during the winter? Too much work, I’ll just get a walnut blast clean. Lol Thanks for the follow up video was waiting for it.

@KasamS 2 роки тому

Same live in the uk so we get freezing temps aswell although our pre gpf cars are mpi so i think we're better off

@slscamg 2 роки тому

That’s how I feel. I have a BMW with the N55 engine and I’m just over 100k miles and haven’t needed an intake cleaning yet. Is there some build up? Sure. But it’s not messing with anything to warrant the effort of a catch can. Next time the intake manifold is off to change the oil filter housing gasket, I’ll probably just clean them then.

@deciplesteve 2 роки тому

A frozen catch can will turn your engine bay into an oily mess. I see it happen with at least one customer every winter.

@LynxStarAuto 2 роки тому

Thank you! We need more logical folks in the community.

@LynxStarAuto 2 роки тому

@@slscamg so the N20's, N26's, N55's N63's, etc are more resistant to cold start misfires than TSI's. Mostly due to valvetronic. TSI's have a very small intake port at idle. Any build up will disrupt airflow noticeably.

@peteycrack215 2 роки тому

I think if you’re not emptying the catch can often enough and it gets too full, the breather hose which most likely goes into the intake is probably pulling in some oil from the catch can, which is causing the burning oil smell. Just a guess, I could be wrong.

@dougwigley8072 2 місяці тому

Some people have commented on other videos that the oil smell went away when they upgraded to Teflon lined hoses for the catch can.

@initialspeed 2 роки тому

Thanks for this info. 👍🏼

@samgab 2 роки тому

I'm glad I'm in a country where the same EA888 engine comes standard with multiport injection. I tried running a can of CRC intake and turbo cleaner through it before my last oil change, and there was virtually no white smoke during or afterwards, so I guess that's a sign that there is no, or minimal, carbon buildup.

@karasene2091 2 роки тому

The other valves could have been cleaned by burning off what was on them without the addition of new oil

@32krod 2 роки тому

That's what I was thinking, especially since he went on a road trip, that's a lot of miles presumably at full operating temps.

@I_know_what_im_talking_about 2 роки тому

What oil? It’s clearly mostly oily water. I’m surprised the water isn’t cleaning everything up, to be honest with you. That tiny amount of oil mixed within the water mist is probably the culprit at making carbon, based on what we’re seeing here. Very interesting. 🤔

@32krod 2 роки тому

@@I_know_what_im_talking_about yeah, a major point of the catch can is to keep oil from getting in the intake via that pathway, so without the oil continuing to settle on the valves, the heat may have burnt away the carbon buildup that was on cyl 3&4 before.

@myname9252 2 роки тому

Burn off by what?

@I_know_what_im_talking_about 2 роки тому

@@myname9252 HEAT. Mazda claims that their Skyactiv engines are designed to keep the valves super hot, which burns shit off and keep them clean. 🤷🏻‍♂️

@salg8878 2 роки тому

after watching this video and the Legitstreetcars video where Alex ran plain water thru the intake of the e30. It seems to me that the water in the catch can is vaporizing and steam cleaning the valves as it goes thru the intake. Looks like similar results. Maybe running water thru the intake is the cheapest most effective way to clean the valves. Anyone willing to do a video on that?

@ghostwrench2292 2 роки тому

I agree. The intake valves certainly looked steam cleaned.

@reality150tv 2 роки тому

When i used to be a boat mechanic, the guy i worked under would take a good spray bottle like the hair salon uses puts out a super fine mist, and he would throttle the engine and spray a couple squirts through the intake to flash clean the engines. Seemed to work pretty well.

@vikkleo 2 роки тому

For those cold months I used a piece of 4in round insulation around catch can never had the can freeze in the winter months also used ziptie to make sure it stayed in place

@neiloconnor9349 17 днів тому

Thanks. Good analysis. 1990s VW engines were having engine oil sludge problems at some point (not sure which engine or engines). The oil change places were always recommended a flush, and special fluid additives. Kind of a a scam. My 2001 forest green VW Golf (2.0 TSI) developed a toasty oil smell at one point. I couldn't detect any leaks, and there was NO oil dripping on the pavement. The culprit turned out to be the oil filler cap. I replace the (plastic) OEM filler cap with a metal Stant replacement cap. I also added a second rubber gasket to the cap. I think what was happening is that once the engine reached operating temperature, the plastic cap deformed just enough to allow oil vapor to blow past the gasket. ABS plastic is not a good substitute for steel or aluminum. Same car needed a new water pump a few years later. ABS plastic impeller failed. I only learned later that there are after market water pumps with steel impellers.

@CarChris82 2 роки тому

I was thinking of fitting a catch can as I have had the valves walnut blasted already,but not to sure now if its worth it

@I_know_what_im_talking_about 2 роки тому

If the previous OEM setup caused build up, of course it’s worth it to modify the system to make it better. It clearly catches a ton of moisture and oily mist. You don’t want that in your intake track PERIOD. 👍🏻

@gvi341984 2 роки тому

I clicked on this video so fast I got whiplash

@Lovely_planet 2 роки тому

same

@lordjaashin 2 роки тому

i clicked faster than Volkswagen getting their emissions ok certification

@christophergomez2381 2 роки тому

Faster than a slap on my arm trying to squish a mosquito

@r32guy10 2 роки тому

I just picked up a mk6 gti 2012 with 20k miles. I haven't done a catch can. But I do have one on my mk4 r32. I love Volkswagens.

@rjmari 2 роки тому

@@r32guy10 wtf nice find!

@larsjrgensen5975 2 роки тому

Some of the water could be condensation when hot breather air is stored in the cold metal can. My cars have all slowly build up carbon in the exhaust, leading to a different exhaust sound every time I have been on a roadtrip. I think that carbon build up is like changing oil, it quickly turns black and sod, but after that the build up flattens out.

@Simk1d 2 роки тому

Racingline did finally make an addition for this catch can for a drain. I could be a little misled on this next piece, valves i've heard can look better after a nice hot run, as it was in VW's recommendation. The catch can may help, but its not the end of the solutions. MPI might be a better option.

@Suction_ 2 роки тому

I've never seen the value in a catch can. I've owned 4 DI engines now, one a turbo - never had any sort of issues. I borescope'd each at 20k and 40k and they look fairly clean. I think that a nice highway jaunt driving spiritedly does more good than anything else - seems to be the people who take short trips and baby the car have the build up issues.

@mckylecfc 2 роки тому

Try checking at 80k and 120k and 160k.. we're getting up there in mileage given the years the mk7 been on roads already

@Suction_ 2 роки тому

@@mckylecfc If I keep them that long lol, all of these have been Mazdas, and have served me well. We pulled a 6 with ~140k on it and it was still acceptable. From what I've seen its the Germans and early Ford Ecoboosts that have the worst issues with it, specifically earlier systems with VAG and BMW. But I still think the people that putt them around are the ones with the issues, the lower mile cars seem to have a correlation with buildup

@mckylecfc 2 роки тому

@@Suction_ the mk7's are so fine I can't let go! Especially seeing the disasterclass with the mk8 and no buttons/overreliance on screen based hvac /everything smh... qhats next in this line of progress - plug ourselves into the matrix and use virtual blinking instead of going thru trouble of opening eyes and getting out of bed? Lol.

@Suction_ 2 роки тому

@@mckylecfc I'm not a huge VW guy to be honest. Especially considering my last rentals from enterprise being an atlas cross sport thing and a passat. The infotainment on both were definately annoying to use, the IPS displays were great, but navigating around was not easy. Sound system was TRASH too lol, the audio range of the systems we're so flat and washed out. I really don't care for the look of the mk8 either, looks kinda cartoony

@mckylecfc 2 роки тому

@@Suction_ GTI and Golf R are different to rest of VW lineup -made more for driving enthusiasts ala Mazda3's Speed or Sport (100th?) which I wudnt mind test driving tbh but I'm still on the fence abt the styling of that hunched back... and reviews aren't the best either on power delivery... but if that 2.5 ltr turbo can be tuned I'm curious to see results..

@slowslugmk7761 2 роки тому

For the vapor smell, check the seal on the coupler that goes to the turbo inlet. They frequently do not seal correctly, and will vent oil fumes right in front of the firewall.

@HumbleMechanic 2 роки тому

Good call. Thank you

@rhiantaylor3446 2 роки тому

Hey Charles, for ages I have used a 12v pump to extract old engine oil via dipstick tube - this would work fine with your catch can. To suggest another variable, how about arranging to inject a fine mist of water into intake (post maf ?) switched on only when at say 50mph cruising accelerator position. The low volume of water surely can't upset maf/ecu. Water injection is a well known way of keeping inlet/valves and cylinder head squeaky clean.

@nekonosuke3086 2 роки тому

I wouldn't have thought it helped clean, just kept it from getting dirtier. On my k24 I have the PCV and crankcase venting directly to a can and the EGR blocked and so far after about 10K miles on it it's still spotless, just had the manifold off to do the t/b so I got to check

@andypandy9045 2 роки тому

I’ve had the same catch can for months sat in the box I must get round to fitting it 👍🚙🇬🇧 Banjo bolt on the bottom with drain hose and a valve, built my own ready to go on once I fit it.👍

@KasamS 2 роки тому

Are u not worried about it freezing?

@andypandy9045 2 роки тому

@@KasamS no not at all doesn’t really get that cold in the uk I know loads of people running them and my tuner said they are a must fit and I do agree I stomped on my brakes and the cloud of smoke that came out of the exhaust made me think my turbo had gone bang thankfully not tho. Oil cooler at some point too but not needed it in over 2 years running over 500bhp 👍

@mikelauria6847 2 роки тому

Is there a difference in fuel mileage since all that water vapor isnt going back into the engine?

@MK6CHRIS 2 роки тому

I'll leave my comment here because thats a solid question!

@couch1596 2 роки тому

Over the course it probably makes the smallest difference, to the point where it is hardly measurable.

@josephhodges718 2 роки тому

@@couch1596 That's called an assumption :D

@rotor13 2 роки тому

No. Such an amount collected in the catch can over 10k miles is not going to affect mileage when you take into consideration how many fuel-ups it would take to reach 10k miles.

@roadrunner8428 2 роки тому

On that type of catch can; you can always drill a hole and thread it with an oil drain bolt on the lower side where you have room to catch the nasty fluid with a container that will fit in that space. I use a one litre soda bottle with the top four inches cut off leaving a strip at one end just to hold onto and lift to remove it without spilling. Not the bottom where you can't see anything. Just like changing your motor oil. I also tried using a Fumoto Oil Drain Valve to drain the fluid, However more simple that would be turned out to be not so simple after all. I prefer the first option as the Fumoto has a narrower exit and sometimes that thicker floating oily crud would clog it causing me to remove the entire plug anyway. I actually prefer the round canister style as it is easily unscrewed and cleaned. A good explanation and video. Cheers

@wolfscott4561 2 роки тому

I was thinking about getting a Mk6 or Mk7 GTI and was wondering whether I should install a catch can. This video shows that I will have to do more research on that first