Here Is Why An Oil Catch Can Is Important 

Oh no🤮😭

?

Nice

More like chocolate pudding

mix mix mix that chocolat😆 that sistem is really good for subarus any tipe engine i'have a cashcan in my 2.5 boxter single cam 7000 milles before take out the valve covers & sorprise bot sides is clean ❤🎉🎉🎉 no bad valvs all is Clean pcv inner clean

@@cheloarechiga1778yours filters money?

🤣

How can it be more cramped?

@@CarObsession it’s a Mercedes coupe with a 5.5l engine

@@Dnasty1 Oh I see, sorry, I thought you also had a Leon Cupra, which is why I was confused. Well you need to see if there is even a catch can kit available for your car.

@@CarObsession I actually ended up making my own catch can since posting this with a generic one off amazon for bmw. Took some customization but i got it done. I managed to run it against the firewall (which I was told shouldn't be an issue) so that it does not touch the engine. My only concern at this point is if it is ok that the two hoses touch?

Hi there, thanks for watching and thanks for the comment.

Completely false statement. On a stock car, it probably wouldn't matter. Once you have a turbocharged engine and it is tuned for power (port injected), you do not want oil getting into the air/fuel mixture as you can end up with detonation/pre-ignition and fouling of the spark plugs depending on much much blow by and oil you are atomizing into the crankcase. For a stock N/A car without direct port injection, sure you will not need one. For a turbocharged and tuned car it's best to use a catch can, or vent it directly out to the atmosphere.

@@JesseS420So let me see I got this right: you say my statement is completely false. Then you proceed to say that, unless you own an exceptional vehicle (turbocharged AND tuned, probably 0.5% of vehicles out there) my statement is correct. So what is it? For every statement there are exceptions.

so you say that burning oil is a good thing? what about carbon buildup inside intake manifold, catalytic converter etc...

@@MBB150-v5pAt least be honest if you want to debate me. I never said it’s good to burn oil, that would be incredibly stupid. Think about this for a moment: blow by is not pure oil, it’s a mix of water (from hot steam) and oil. A catch can ends up with what, 6oz after 3 months give or take? That’s 3oz of oil, assuming 50/50. It’s nothing. Then comes the intake valves which create a blockage on the way and then a lot of blow by gets on top of it over time. Without it getting washed by the gasoline from the injectors on the direct injection engines it accumulates

It's simply condensation, no need to panic....🙄

Thanks for the feedback.

Such as?

Correct me if i’m wrong, doesn’t that milky color mean you likely have radiator fluid mixing with oil? Head gasket has started to go perhaps? Let me know what you think that color indicates.

No....this comment has been a few times...it's just condensation most likely caused by doing shorter journeys. If I had a head gasket issue I'd have other symptoms such as white smoke from the exhaust, oil in the coolant reservoir, and a milky oil cap, none of which I have. I work in a car repair garage and the guys I work with say there is no problem (two of techs also have oil catch cans fitted to their car). I'll be honest, I'm getting tired of such comments being made.... Especially when there's people say mad things such as the catch can will stop my inlet manifold being lubricated 🤦🏽.

​@@DLR369_ the air has moisture, the induction phase will evaporate that moisture in the intake process itself so the steam of that get carried and it would condense back into a liquid form in the catch can

Hi there, details of the kit can be found here: www.forgemotorsport.co.uk/Oil_Catch_Tank_System_for_20_Litre_FSi_--product--7.html

Yep catches the oil before recirculating air into your intake manifold. Direct injection cars benefit the most reducing carbon buildup since gas doesn’t clean the intake valves.

​@@JoshuaWhitman But in the video is catching a frothy milky stuff, is it coolant??? Water mixed with contaminants??? Where's the oil??? I'm a bit confused.

Yes.

@Wilhuff_T I'm confused as to how you can't see the oil? The "frothy" is merely caused by condensation and is nothing to worry about.

Nespresso, what else? 😅

No it’s mostly oil with some gas and water

​@Caden17688, how does gas get into a crankcase???

​@@matthewnewsome9221Unburnt gas recirculates?

​@matthewnewsome9221 Runs down the cylinder walls especially during a cold start. It's more common on GDI engines.

Does it? Idk, if it does how does a full pcv delete worsen or better it

@@joshuagouralnik1250 dude is trolling lmao an intake manifold doesn’t need lubricant it’s just an air duct

​@Iced Out Mike there's a reason they route your pcv back into the intake lmao

@@N54ttv so that i he engine can recycle what’s left in the hot air

@@N54ttv dude you serious? 🤦

Why?

Nah, I'd rather not lol.

Nah, I'm good 😅

No, I haven't 🙄. That's just condensation...

Out of interest, how would they cause the rear main oil seal to fail? I'm guessing it would be to do with crankcase pressure building up? I would imagine the worst that would happen is that the seal fails, causing an oil leak. I'm no expert, but I would have thought it would only cause an engine failure if the oil leak was left for so long that it caused oil starvation, causing the engine to seize? Also, on that note, I'm pretty sure an oil catch can would still allow the pressure to be relieved from the crankcase, so I can't see why that would cause an issue with the rear main oil seal. *** I've just one this past of the experienced technicians I work with (I work in a car repair garage) and he agrees, unless... "the oil catch can circuit is causing an excessive positive or negative pressure build up in the crankcase I can’t see why it would cause damage to the main oil seals". ***

Ive heard in winter climates you need to be careful with installing these because they can freeze and cause pressure buildup. Ive heard tech's say they would take them off during winter months

I'll be honest, I've never heard of that, nor has that been advised by any of the mechanics I work with, two of which I know for a fact have catch cans fitted.

@@CarObsession well if you don't have to contend with winter months and freezing temperatures it's probably not something to worry about. Condensation freezes and we get extreme cold snaps where I live, so it is a consideration I've come across

Hi Ugur, what makes you say that?

Till it fails

Huh?

@@CarObsessionnever mind it’s not a ford either.

What makes you say that?

Based on what evidence?

@@CarObsession the chocolate milk u just pulled out if ur catch can. Water/moisture is mixing with that oil somewhere either in the motor or in the catch can somehow hopefully its the second one but still there shouldn’t be moisture or water/coolant mixing with the oil anywhere.

@@t-dougz6050 I work for a car repair garage, so just ran it past one of techs; he said it's just where water vapour has got in to the oil and emulsified it over time. Our colleague also has a catch can and the same thing happens. So nothing to worry about 👍🏽

@@CarObsession don’t listen to Dougz. He is right, if this was your oil from the oilpan, but as it is from the catch Can, your garage guy is right. Just water vapor mixed with a bit of oil which is very common and not a problem. Only goes to show that your catch Can is actually working..

The crankcase should be sealed from all elements except from oil. Even the air moving across the valves shouldn’t be mixing with that oil. That’s the whole point of that catch can. To keep oil out of the combustion chamber. You have water mixing with oil somewhere.

Such as?

I disagree.

Hi Shawn, what evidence have you got that suggests that?

​@Car Obsession he's got the evidence from mechanics that want more jobs to do and cars to have issues ahah

"Turbo shop" okay buddy sit down 😂 any shop or owner that owns a subaru will tell you how important they are

The lambo shop also will tell you.

“Any turbo shop”😂🤡 go home