Passat (B5) :: 2001 - Oil Smell Coming In Through Vents Especially At Stoplights


May 24, 2010

I recently purchased a 01 Passat 1.8T and noticed a strong 'used oil' smell coming in through the vents, especially at stoplights; the vehicle continued to smell badly when parked and turned off.

After looking around the PCV system, I found a small check valve near the airbox that was dry-rotted and non-functioning. As I continued to search, I found a large PCV hose directly under the intake manifold closer to the firewall. This appears to be ~3/4" hose that appears to be missing a connector. It appears as though there was supposed to be some sort of male/male insert and some clamps that are supposed to connect these tubes.

Any diagram or a DIY replacement walk-through for the PCV sytem on the 1.8T? Now that I've found the pcv break, I'd really like to get it changed out.

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