1994 GMC Truck Trouble downshifting and accelerating

Tiny
INDYKID77
  • MEMBER
  • 1994 GMC TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 216,000 MILES
When I drive up a hill or need to downshift to accelerate my truck runs rough the tach jumps around 2,000rpm and makes a bogging sound, I think it might be slipping but am not sure, I would rather try some other things before I drop a couple hundred on a rebuild, thanks
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Wednesday, June 16th, 2010 AT 4:50 PM

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Tiny
DR LOOT
  • EXPERT
It sounds like he needs a tuneup
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Wednesday, July 21st, 2010 AT 2:05 AM

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