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GMC
C2500
Drivetrain
Transmission
Reverse
Reverse gear is not working properly
1989 GMC C2500
180,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
TIMMYV123
MEMBER
4 POSTS
No reverse even when it's in reverse or neutral it wants to go forward.
Nov 25, 2020 at 3:02 PM
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ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
Good morning,
Does it try to move in the park position as well?
Roy
Nov 25, 2020 at 6:35 PM
TIMMYV123
MEMBER
4 POSTS
Yes.
Nov 26, 2020 at 4:35 AM
ASEMASTER6371
✓
Experienced Mechanic
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 7:10 AM
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