1994 GMC Truck Trouble downshifting and accelerating

1994 GMC TRUCK
216,000 MILES • V8 • 4WD • AUTOMATIC
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INDYKID77
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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
Jun 16, 2010 at 4:50 PM
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DR LOOT
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it sounds like he needs a tuneup
Jul 21, 2010 at 2:05 AM