1999 GMC Jimmy heating

1999 GMC JIMMY
160,000 MILES • 6 CYL • 4WD • AUTOMATIC
Avatar
BARMAID258
  • MEMBER
  • 1 POST
put a new radiator, hoses ,thermostat and radiator cap after old radiator cracked, before putting new radiator in, i had tryed some liquid glass to seal crack i now have no heat blowing only cold air
Nov 28, 2009 at 4:45 AM
Avatar
CRZYDRVR
  • MEMBER
  • 432 POSTS
What you poured into the cooling system to seal the leak most likley plugged the heater core. Try to flush the heater core both ways.
Dec 2, 2009 at 7:41 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