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Engine rattles

Tiny
SWEETHOPE ALABAMA
  • MEMBER
  • 1999 GMC JIMMY
  • 145,000 MILES
1999 gmc jimmy engine rattles when placed in drive or reverse. Runs fine when cold until idle changes. Does not rattle in idle. The rattle seems to be coming from the front of the engine but does not occur when in park. Also, has an exhaust leak or noise coming from tailpipe. Almost like a backfire.
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Saturday, March 10th, 2012 AT 6:50 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It sound like it could be the flexplate that is broken.
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Saturday, March 10th, 2012 AT 6:56 PM
Tiny
SWEETHOPE ALABAMA
  • MEMBER
  • 2 POSTS
Thanks for the advice, I looked at the flexplate and I can see cracks. Do I need to pull the trans to change it?
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Saturday, March 10th, 2012 AT 11:36 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Yes you do, have fun!
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Saturday, March 10th, 2012 AT 11:48 PM

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