Vehicles affected by service bulletin: The problem: Timing chains on N63 engines have been found to stretch and wear out prematurely, resulting in premature valvetrain wear and reduced engine ...

The answer to the question about how long timing chains last and whether they need to be replaced has two possible answers. It all depends on your answer to this question: Do you maintain your car ...

JOHNSTON — Everyone knows — or ought to know — that a broken timing belt is a serious no-no. “Every time (we have) a broken timing belt, nine times out of 10 it results in engine damage,” said Anthony ...