Have an engine knocking noise that almost sounds.

Tiny
ANONYMOUS
  • 1999 JEEP GRAND CHEROKEE
  • 103,000 MILES

Have an engine knocking noise that almost sounds like a wrist pin or rod knock but when you listen to it mechanics ear it is not knocking in the bottom around oil pan. Found a ncolapsed lifter on no.2 cyl and relaced it and the noise changed but was still there

Tuesday, October 30th, 2012 AT 6:24 PM

1 Reply

Tiny
HMAC300
  • EXPERT
  • 49,802 POSTS

Try shoritng out spark plug wires by removing one at a time while you hear knocking noise, that wold locate the cylinder. If it quits then it is eitehr a rod bearing or a piston problem.

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Tuesday, October 30th, 2012 AT 7:22 PM

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