Reverse gear is not working properly

1989 GMC C2500
180,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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TIMMYV123
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  • 4 POSTS
No reverse even when it's in reverse or neutral it wants to go forward.
Nov 25, 2020 at 11:02 PM
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ASEMASTER6371
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  • 52,796 POSTS
Good morning,

Does it try to move in the park position as well?

Roy
Nov 26, 2020 at 2:35 AM
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TIMMYV123
  • MEMBER
  • 4 POSTS
Yes.
Nov 26, 2020 at 12:35 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Okay, the forward clutch pack is seized in the transmission.

The transmission will either have to be rebuilt or replaced.

https://www.2carpros.com/articles/transmission-replacement-removal-manual

Roy
Nov 26, 2020 at 3:10 PM