Cylinderhead ventilation - greasy plenum...
03-30-2015, 08:39 PM (This post was last modified: 03-30-2015 08:40 PM by Lt86.)
Post: #1
Cylinderhead ventilation - greasy plenum...
Hi everyone,

I was wondering if anyone has the same 'issue' I have... When I took off the throttle body to clean up my auxilary air valve I noticed the throttle body was rather greasy on the inside from oil and so was the plenum chamber.

Now, I don't know where this is coming from but I believe it might be from the cylinderhead ventilation tube (see red circel below) that connects the head with the plenum chamber.
Anyone else who has this issue? If not... where could the oil be coming from?

[Image: AEU86 AE86 - Cylinderhead ventilation - ... plenum...]
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Cylinderhead ventilation - greasy plenum... - Lt86 - 03-30-2015 08:39 PM

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