Oil leaks from camshaft drive pulleys and variable valve timing hydraulics on Audi A4 Quattro

Problem Description and Possible Solution
Oil leaks from the camshaft drive pulleys and variable valve timing hydraulics are common. If the variable valve timing hydraulics is leaking, the Check Engine Light may illuminate from inaccurate valve timing.
Problem Data
RepairPal Verified
Average mileage: 85,000 (85,000–85,000)
Engine affected: 3.0L V6
5 model years affected: 2002, 2003, 2004, 2005, more2006
8 people reported this problem
Viewing 1 - 2 of 2 comments
MIL came on with camshaft issue and engine performance.
changed cam timing sensor
MIL still activated
Further investigation highlighted this issue
Replaced caps and seals.