1989 GMC C2500 shifting gears

1989 GMC C2500
20,000 MILES • V8 • 2WD • AUTOMATIC
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CARLOS VICTOR
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  • 1 POST
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!
Nov 2, 2010 at 5:00 PM
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DR LOOT
  • ✓ASE Certified Mechanic
  • 2,311 POSTS
  • ASE Certified Mechanic
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
Nov 15, 2010 at 6:21 AM
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