Reverse gear is not working properly

1989 GMC C2500
180,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
Avatar
TIMMYV123
  • MEMBER
  • 4 POSTS
No reverse even when it's in reverse or neutral it wants to go forward.
Nov 25, 2020 at 11:02 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

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

Roy
Nov 26, 2020 at 2:35 AM
Advertisement
Avatar
TIMMYV123
  • MEMBER
  • 4 POSTS
Yes.
Nov 26, 2020 at 12:35 PM
Avatar
ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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