transmission will not go into gear

1988 GMC SIERRA
186,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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JUDY RAYNER
  • MEMBER
  • 1 POST
transmission worked great one day parked it and went back next day would not do anything in any gear.
Apr 2, 2017 at 2:36 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
with the type of transmission it is probably a 700r4 and the mileage you may have failed an oil pump. have a transmission professional check it out.
Apr 2, 2017 at 3:52 PM
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