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VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old February 10th, 2019, 19:06   #1
sptsailing
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Fuel Economy: 44 typical, 38 minimum, but as high as 50
Default Oil in the turbo air intake, oil catch can?

So my 2006 BRM is running great, except it stinks. Upon investigation, I have found that the turbo air intake is dripping small amounts of oil onto both the exhaust tube leading the the oil cooler and the exhaust pipe itself. It used to drip on an air tube leading from the exhaust manifold to the air filter housing, but as I live in Florida, I had removed all of these cold weather parts. My guess is that at a minimum, I need to replace the rubber o-ring at the connection between the connector and the turbo, but I am puzzled as to the amount of oil traveling from the cylinder head cover to the intake air assembly. Is this normal? The lower charge air pipe had no appreciable levels of oil in it other that a film. The oil present in the air intake clearly reveals that the offending oil originates from the cylinder head cover (valve cover), so I am guessing that an oil catch can could cure my current odor issues.

I solicit comments from members having solved this particular issue, and am also interested in hearing about successful oil catch can installations on BRM engines.

The amount of oil loss from the crankcase appears to be almost negligeable. but the small amount hitting the hot exhaust parts do create odors. I am going to replace the rubber o-ring that contacts the turbo from the air intake, as it is the original, as that may actually solve the issue.

Last edited by sptsailing; February 10th, 2019 at 20:10. Reason: Additional information
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Old February 10th, 2019, 21:06   #2
kdawg89
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Default Oil in the turbo air intake, oil catch can?

I think every BRM on the road probably leaks from there, itís a problematic union.

I wonder if there is an oil separator or anything in the valve cover that could fail and cause excess oil to go into the intake?

I think IDParts sells some kind of oil catch thingy made by Mann Hummel, might be called a provent or something like that.



Found it. https://www.idparts.com/mann-provent-200-p-2334.html


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Last edited by kdawg89; February 10th, 2019 at 21:09.
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Old February 11th, 2019, 07:09   #3
relumalutan
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Default

Yep, MANN Provent seems to be the best solution. I just bought one but I have the following concerns regarding installing it:
1. Location: probably the best would be to somehow attach it to the oil filter housing. Unfortunately for me, I already have a dieselgeek oil bypass already installed in that place. One member has installed his in the driver side behind the fog light cover. I am still debating where to install mine, I am taking in consideration installing it behind the engine block.
2 Freezing temperatures leading to clogging (I live in MI). I ahve found a company that makes a sort of electric blanket for MANN Provent to keep it warm while the engine runs, I am still researching a option to keep the hose leading to and from the Provent warm.



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Originally Posted by kdawg89 View Post
I think every BRM on the road probably leaks from there, it’s a problematic union.

I wonder if there is an oil separator or anything in the valve cover that could fail and cause excess oil to go into the intake?

I think IDParts sells some kind of oil catch thingy made by Mann Hummel, might be called a provent or something like that.



Found it. https://www.idparts.com/mann-provent-200-p-2334.html


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