trans

1997 GMC SIERRA
136,452 MILES • V8 • 4WD • AUTOMATIC
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GMCJAMES
  • MEMBER
  • 1 POST
when im going about 30 to 40 my transmission grinds and i cant figure it out any answers
Mar 30, 2011 at 12:33 PM
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MIKE H R
  • CAR REPAIR CONTRIBUTOR
  • 3,094 POSTS
First check and make sure the switch for the transfer case is working properly. If everything os ok there I would have it checked out at a transmission shot. there may be internal damage
Jun 29, 2011 at 3:39 PM
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