KNOCKING SOUND

1984 Chevrolet Custom Deluxe

Tiny

xxxNAVYxxx

January, 10, 2011 AT 11:25 PM

I need help diagnosing a knocking sound in my Chevrolet 250cu 4.1L. I have tried pulling spark plug caps to determine if it is in one of the cylinders thinking it could be a wrist pin and this had no effect on the noise. The sound comes from deep in the engine. The knock keeps time with the engine.

FOUND 1772 RELATED QUESTIONS

1 Answer

Tiny

xxxNAVYxxx

January, 10, 2011 AT 11:27 PM

I Am restoring this truck and this is my next step so please help I would really appreciate it

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