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ProVent Catch Can Oil Mist Separator Explained 

Diesel Care
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An update version of this video which is more applicable to the kits we supply can be viewed here
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The air intake system is an important component of your diesel engine and if it becomes partially blocked can cause serious problems with performance, increase fuel consumption and damage to important components. In modern diesel engines there are two emission control processes that have been implemented:
1. Closed Crankcase Ventilation (CCV) - Crankcase gases are piped to the air intake system so that they are not released into the air that we breathe, this gas contains oil mist and water in the form of vapour.
2. Exhaust Gas Recirculation (EGR) - In the EGR process some exhaust gases are piped to the air intake system, this modifies the combustion process thereby lowering Nitrous Oxide emissions produced.
Due to these processes we now have both crankcase ventilation gases (oil mist and water) from CCV and hot exhaust gases containing carbon (soot) from EGR - mixing together in the air intake system. If the exhaust gas alone was piped to the intake manifold it would not normally collect on the walls of the manifold because it is dry. If crankcase gases alone were entering the manifold, again there wouldn’t be a problem. However, when the oil mist mixes with the soot particles from the exhaust gases a mixture is produced that attaches to the walls of the intake manifold. These combined deposits build up over time to a point where they severely restrict the flow of air, blocking the inlet manifold and valves, causing reduced performance and fuel efficiency.
Removing the deposits involves disassembly of the intake system from the engine, this is both time consuming and expensive. By installing an Oil Mist Separator, often called a Catch Can, the oil mist and water vapour are substantially removed from the combination thereby taking away the ingredient that allows the soot to stick. The result is that the build-up of deposits is GREATLY reduced.

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4 мар 2019

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Комментарии : 69   
@richardsutton01
@richardsutton01 Год назад
I installed the ProVent separator on my V6 Amarok about a year ago and must have driven almost 10k miles since then. I've drained it twice since then. The first time I got only water out and today I got a ml or two of oil and 100ml of water. My rings and bores must be very good as they clearly let water vapour past but not oil mist. 👍👍
@KingZoneOne
@KingZoneOne 8 месяцев назад
I have the 200 on my car in place of the deleted PCV valve, and I love it. I have a length of tubing and a drain cock at the end to empty it behind the fender into a receptacle. If you've seen what it collects (especially in humid climates) you wouldn't want that stuff going back into the oil sump. It looks like spoiled mayo, and consists of the liquids separated from the air which includes fuel, solvents etc, and will concentrate in your oil making it acidic which breaks down the lubricating properties of the oil. Don't recirculate it back to the sump... DRAIN IT.
@Siatkowkarzadzi
@Siatkowkarzadzi 2 месяца назад
This "mayo" may be an indicator that engine coolant is leaking into the oil (usually cylinder head gasket is to blame)
@sunilkumarrai8937
@sunilkumarrai8937 2 года назад
Very nice video
@Trickster310YT
@Trickster310YT 6 месяцев назад
The Prorovent200 and filter are really good
@nela5596
@nela5596 6 месяцев назад
Can provent 200 use in a highly boosted gas engine? Or does it need a different filter?
@nikmohdyazid
@nikmohdyazid 9 месяцев назад
Can I use this type of oil catch can to my turbo petrol car?
@Caesar.Aquanaut
@Caesar.Aquanaut Год назад
I get a strange "turbo blow-off" kinda noise when I lift off the accelerator after coasting my V6 TDI Touareg at around 20km/h @ 1900 - 2000rpm, imaging this like you are coasting at the parking lot, the speed is so slow that rpm is reving close below the torque range and the transmission won't upshift. Then, the blow-off noise come off when you let go of the accelerator. This noise has occasionally startled to the perdestrian and always ended up giving me the stinky look on their face as if I did it intentionally 😅 I don't remember my Touareg used to make this kind of blow-off noise before I have installed the Provent 200... Does anyone of you here having the same experience? Is that normal?
@papaloo2000
@papaloo2000 4 года назад
​i need to get an oil catch can installed on my Mahindra Thar diesel (Roxor in US), however the only location i have is on the fender in the height of the starter motor and not at the height of the valve cover, is it ok to fit lower than valve cover?
@hummervs3278
@hummervs3278 3 года назад
Yes.
@familieaa1968
@familieaa1968 3 года назад
وشكرا جزيلا
@alexwolf8019
@alexwolf8019 3 года назад
Why did they make the intake for the CC on top and the exhaust on the bottom? It seems backwards to me, but I assume they have a good reason. Gravity would still drain the excessive oil in to the release tube.
@cuvame
@cuvame 3 года назад
I agree. The outlet and oil droplets are so near to each other which can still be sucked by the engine
@hummervs3278
@hummervs3278 3 года назад
This is the world’s most efficient unit built. Read up on it.
@north4961
@north4961 2 года назад
@@hummervs3278 👍 Exactly 👍💯
@trentcarlson4857
@trentcarlson4857 3 года назад
Just installed one in my 07 Mercedes GL320. Until you have seen how much gunk builds up in the intake ports and intake manifolds on these engines. And spent many many ours cleaning one up save your comments and just do yourself a favor and install a Provent catch can. Trust me this thing works and watch out for cheep china knock offs.
@dralitahir
@dralitahir 2 года назад
If thats true, why dont automotive companies give it built-in their diesel engines
@Dronefishha
@Dronefishha 2 года назад
@@dralitahir because company's want you to take your diesel in to be cleaned twice a year for regular maintenance. Which makes them more money in the long run.
@James28R
@James28R Год назад
it doesnt work, you still get buildup from the egr.
@trentcarlson4857
@trentcarlson4857 Год назад
@@dralitahir John Deere and some other manufacturers do put it on some excavators
@trentcarlson4857
@trentcarlson4857 Год назад
@@James28R I’m sure you are right but I would think a lot less.
@scottmarshall703
@scottmarshall703 Год назад
Iv recently fitted one of these to a tuned landrover td5 engine to help keep the new intercooler clean, the landrover td5 engine breather pipe has a valve already fitted to the end of the breather hose going into the intake pipe, would you recommend I keep this pressure valve installed seeing as the provent 200 also has a pressure valve, iv only just installed it and a few people have said it isn't a good idea to have 2 pressure valves in the breather system, what are your thoughts please regards scott
@DieselcareAu
@DieselcareAu Год назад
Hi Scott, thanks for your message. The pressure valve in the catch can is designed to bypass the filter in the event the filter becomes blocked. This is to prevent over pressurising the crank case and is a safety feature built into the catch can. So in answering your question it is fine to run both.
@scottmarshall703
@scottmarshall703 Год назад
@@DieselcareAu that's great, thankyou for your reply regards scott
@gideonthegreat6313
@gideonthegreat6313 2 года назад
Hi, does the Provent Catch Can work only on Turbo Engines? Thanks
@stickman-1
@stickman-1 Год назад
Except for high HP racing engines, an NA engine does not create the amount of crankcase pressure to really need an OCC. In fact this whole thing (the PCV system) came about due to emissions. In old NA engines they vented the crankcase to atmosphere, usually thru breathers in the valve covers.
@stealthraarhn3548
@stealthraarhn3548 Год назад
Thanks for the explanation
@KingZoneOne
@KingZoneOne 8 месяцев назад
No, you can use it on any engine that has a PCV valve,/system, and even some that don't if you can figure out where and how to connect it.
@eduardodaquiljr9637
@eduardodaquiljr9637 Год назад
How is the fumes condense?
@KingZoneOne
@KingZoneOne 8 месяцев назад
It has three filtering elements, and even space for an additional wad of stainless steel wool to increase the coalescing affect. The replaceable filter has 1) a plastic grid coalescing mesh, 2) a sponge filter material, and 3) a synthetic tightly woven cloth-like filtering material, and the area inside the center is big enough for a fist sized wad of stainless wool. The three layered filter is what condenses ( coalesces ) the mist into heavier droplets that fall to the bottom of the can.
@konic40
@konic40 Год назад
seems like plumbing the oil back to the engine intake, though filtered, is a recipe for soot since engine oil is so hard to burn. a separate vacuum pump would be better with an additional filter.
@stejac51
@stejac51 6 месяцев назад
... except that this unit is designed for Diesel engines that in fact burn oil to function the minimised oil fumes in the air returned to engine intake really are of no issue.
@konic40
@konic40 6 месяцев назад
its blocking up the exhaust and causing inefficiency and maintenance issues.
@pauliusu
@pauliusu 3 года назад
Clean oil? Back to crankcase? Make another video how to replace engine
@sompka1
@sompka1 3 года назад
Id rather return it than burn it and contaminate the remaining oil with burnt additives/byproducts.
@stickman-1
@stickman-1 Год назад
You already have dirty oil in the pan. What the OCC (or AOS) is doing it trying to remove the oil from the intake charge. But the oil going back is the same oil that is already in the crankcase. If you don't want dirty oil, change your oil every time you drive. It's a fact of internal combustion engines: rings don't seal perfectly. They will always let a little combustion gases into the crankcase. Watch the Total Seal Piston Rings videos. They are very informative on this subject.
@MotoGoburr
@MotoGoburr 4 года назад
you dont want that dirty oil back in pan tho...
@hummervs3278
@hummervs3278 3 года назад
They make a long clear hose with valve on bottom you can drain and dispose if you choose. This is best catch can made- look into it.
@stickman-1
@stickman-1 Год назад
You already have dirty oil in the pan. What the OCC (or AOS) is doing it trying to remove the oil from the intake charge. But the oil going back is the same oil that is already in the crankcase. If you don't want dirty oil, change your oil every time you drive. It's a fact of internal combustion engines: rings don't seal perfectly. They will always let a little combustion gases into the crankcase. Watch the Total Seal Piston Rings videos. They are very informative on this subject.
@NikolaStamenkovic6
@NikolaStamenkovic6 Год назад
It still sounds too restrictive to me. As soon as there is a filter I don't like the design.
@kenrose1154
@kenrose1154 4 года назад
Its a knockout pot
@CurboroughSprinter
@CurboroughSprinter 2 месяца назад
I wish the narrator spoke more clearly. 🤪
@metatronmen2431
@metatronmen2431 4 года назад
inconspicuous guys, write it down.
@joeydingel9904
@joeydingel9904 3 года назад
Occ will destroy your engines. All cars need oil mist on their intake or turbo.
@mtzeronine2188
@mtzeronine2188 3 года назад
Yeah, thats true, turbo needs that oil mist, that mist catches the dust to prevent damaging the turbo
@hellohello8556
@hellohello8556 2 года назад
Does the oil mist do any lubricating of upper cylinder?
@davidwarren4569
@davidwarren4569 Год назад
When I did my training as a mechanic this was never mentioned and I still think that is a fallacy. The turbo bearings are lubricated by crankcase pressure and does not need an oil mist over the the turbine otherwise it would clog up and fail. The valves stems are lubricated by oil distributed via oil flow under the tappet cover. They not need oil on their faces which only contributes to carbon buildup. If your vehicle has an egr valve and turbo do yourself a flavour and fit a reputable catch can and see the results. my 4.2 litre turbo charged Diesel had to be be decoked at 140000 km. 200500 now and still running fine after catch can install.
@joeydingel9904
@joeydingel9904 Год назад
@@davidwarren4569 first of all, i never said that the oil mist was needed for lubrication. Second, some/few engines have occ installed depending on how much oil mist the engine is producing. Third if you think that your training in mechanic makes you smarter than toyota (which they dont recomment oil mist on all of their engines), then just debate with them not me.
@joeydingel9904
@joeydingel9904 Год назад
@@davidwarren4569 btw we own a car repair/ maintainance shop. Most of the engine problems we encounter are lack of maintainance and THE ONES WHO MODIFY THEIR ENGINE BECAUSE THEY THINK THEY ARE SMARTER THAN THE CAR MANUFACTURERS.
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