HAVE A HAS 231,000 MILES ON AND THERE IS A NOCK WHEN IT RUNS WHAT COULD IT BE?
1996 Volkswagen GTI • 230,000 miles
It hasn't been doing all the time but there is a nock
What weight oil? does it do it hot or cold? does it get louder on rev/acceleration? can you hear it at idle?
Runs normal not or cold don't know what weight oil is used. It only sounds like a rod knocking at idale and low speeds.
Idle means lower oil pressure. do you have a gauge? or get the pressure tested. enough miles for worn parts. if it does not increase in loudness with load/rpm then not likely a rod bearing.
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