Black build up/sludge in the Air intake
Thread Starter
Newbie
Joined: Apr 2020
Posts: 16
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From: Sydney
Black build up/sludge in the Air intake
Hey guys, just changed out my oem stock air box. For a aftermarket air intake, whilst replacing this. I found a black like grease maybe carbon build up ? In the intake and where the intake connects to the turbo.
What is this exactly ?
Any ways to clean it out / prevention?
What is this exactly ?
Any ways to clean it out / prevention?
EvoM Community Team Leader
Joined: Aug 2005
Posts: 5,690
Likes: 708
From: West Coast
There is a PCV hose that connects the intake to the valve cover that sucks in vapors. Totally normal, you can clean it out with some degreaser. You can install a catch can to try and reduce the amount of build up.
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Joined: Apr 2020
Posts: 16
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From: Sydney
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