2004 GMC C2500

Tiny
RGPAOLINI@GMAIL.COM
  • MEMBER
  • 2004 GMC C2500
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
Last night when engine started it ran very rough, missing badly. Turned it off and restarted after a minute, it stopped missing and ran pretty smoothly, when started this morning it was missing badly again and has a rather loud knock/ clacking sound from what appears to be the drivers side in the lower part of the engine. I changed plugs and wires but there is still a miss and knock.
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Tuesday, February 2nd, 2010 AT 4:09 PM

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Tiny
DR LOOT
  • EXPERT
After it warms does it run smoothly? The knocking sound sounds like the flex plate is coming apart if you told me correctly "rather loud knock/ clacking sound"
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Wednesday, February 17th, 2010 AT 10:25 PM

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