1978 Chevy Impala Speedometer not working

1978 CHEVROLET IMPALA
500,050 MILES • V8 • 2WD • AUTOMATIC
Avatar
NEAL396
  • MEMBER
  • 1 POST
My speedo isnt working. The gas guage didnt work either so i replaced the speedo unit and now everything works except for the speedometer. The speed cable isnt broke. What could be the problem?
Dec 20, 2007 at 12:47 PM
Advertisement
Avatar
BUDDYCRAIGG
  • ✓Experienced Mechanic
  • 2,262 POSTS
could be the plastic gear in the tranny.

unhook the cable at the tranny and use a drill to spin it.
have a friend watch the speedo.
Dec 12, 2008 at 12:16 PM
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