1989 GMC C2500 shifting gears

Tiny
CARLOS VICTOR
  • MEMBER
  • 1989 GMC C2500
  • V8
  • 2WD
  • AUTOMATIC
  • 20,000 MILES
My transmission shifts from 1st, to 2nd then 3rd real smooth then I dont hear or feel anymore shifting but the truck seems to be running real ruff when I reach around 55mph like it supposed to shift again or something does it even have a 4th gear or o/d got a manual but it doesnt mention about how many gaers th trans. Has pls help!
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Tuesday, November 2nd, 2010 AT 5:00 PM

1 Reply

Tiny
DR LOOT
  • EXPERT
That came with a 700R4 transmission, sounds like the lockup converter solenoid does not function, they're not very expensive to fix try your local transmission shop, just don't let them try to sell you a new transmission
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Monday, November 15th, 2010 AT 6:21 AM

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