S-Type (X200, X202, X204, X206) 1999 - 2008
Hello,
One week ago my engine become more noisy than usual, it's noticeable after it warms up (it may be present at cold starts also, but I can't hear it because it idles a little bit high).
The knock sound seems to come from the right side of the engine, and it's more noticeable when...