Every thing ive done to it

1998 GMC JIMMY
160,000 MILES
Avatar
DARRELL5150
  • MEMBER
  • 3 POSTS
Have tried all that got it to shift to third but it downshifts within a matter of seconds or reves up. After changing fluid, filter, and front seal.
Dec 4, 2011 at 3:42 PM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
you have internal control issues. get a trans shop to check it for you. could be valve body or a failed clutch pack

Roy
Dec 4, 2011 at 3:43 PM
Avatar
RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
SOunds like it has a malfunctioning shift solenoid.
Dec 4, 2011 at 3:44 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.