1987 Mercury Marquis Transmission not shifting

1987 MERCURY MARQUIS
94,112 MILES • V8 • 2WD • AUTOMATIC
Avatar
JNA7904
  • MEMBER
  • 1 POST
The transmission shifts from 1st to 2nd and i think from 2nd to 3rd but i cant tell if and i really cant tell about 3rd to 4th or overdrive it sounds like the engine is running at a high rpm at like 60mph. what might be the problem(s)?? what speeds should it shift at? (i have no rpm gauge)
May 26, 2008 at 7:19 PM
Advertisement
Avatar
BLACKOP555
  • ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
sounds like its the tranny overhaul shop for you!

the sunshell gear may have broken and that is causing your problem.

if its not the best bet is to have a trans shop mess with it as you need a lift and it is difficult to work on transmissions.
May 26, 2008 at 9:04 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.