1996 Gmc Sierra Overdrive Does Work Speed 50mph Rpm Already 2500 Waiting Gas

1996 GMC SIERRA
300,000 MILES
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ANONYMOUS
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Overdrive does not work going at a speed of 50mph and rpm is already at 2500 waiting gas aready did trans flush n filter change was dirty but ok
Nov 1, 2012 at 5:37 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
could be overdrive solenoid not working, wiring harness, or bad converter

Roy
Nov 1, 2012 at 5:49 PM
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