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2002 GMC Sierra knocking noise

Tiny
6471FIXALL
  • MEMBER
  • 2002 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 192,000 MILES
I have a knocking/click/ticking noise that comes and gos just put 2 cats init today due to poor perf vehicle runs real good most noticeable sitting at idle hot or cold dont sound like lifter or rod knock it all most sounds like it changes tone this is not the only 5.3l gm engine I have heard make this noise
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Tuesday, October 19th, 2010 AT 10:32 PM

1 Reply

Tiny
RICK WOLFE
  • MEMBER
  • 1 POST
I work on a lot chevys all are fleet vehacals are chevs when we get that noise most of the time it's the cam can litfters they Are wearing where the cam and rollers meet you can check this by removing the intake and valley cover if you look strate down you can see the cam and any damage
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Thursday, October 21st, 2010 AT 5:56 PM

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