TRANSMISSION

1978 BUICK LESABRE
V8 • 2WD • AUTOMATIC
Avatar
BLAKROB
  • MEMBER
  • 1 POST
78 buick lesabre as a transmission problem. I droped a 350 engine and tranny in it but my transmission rides 1st gear all the way out to the max and then when it does finally shift it******. but my main issue is that it won't shift gears.I'VE ALREADY CHANGED MY MODULATOR VALVE. PLEASE GIVE ME SOME KNOWLEDGE ON WHAT TO DO?
Jan 27, 2011 at 9:45 AM
Advertisement
Avatar
FORD MAN
  • MEMBER
  • 115 POSTS
Your shift linkage is out of wack, & needs to be adjusted.

Ford Man
Jan 27, 2011 at 10:23 AM
Avatar
JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
If the trans is a 78, make sure there is vacuum to the modulator. If there is, remove the valve body and make sure it isn't gummed up inside.
Feb 23, 2011 at 8:47 AM
Add a reply
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 new question

Frequently Asked Problems for This Vehicle