Engine Oil Leaks on Audi A4 Quattro

Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.

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Average mileage: 157,000 (157,000–157,000)
1 model year affected: 1997
2 people reported this problem
1 person shared problem details
1997 Audi A4 Quattro157,000
Valve cover & oil filler cap gaskets are rubber, and deteriorate badly after about 120k miles. Replace when leaking, or oil will drip onto exhaust manifolds and smoke. Also replace the inlet elbow to throttle body gasket (also rubber) as it hardens and wears, causing inlet vacuum leak. This may cause a false MAF sensor code.
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