1998 Gmc Sonoma Truck Seems Running Very Cool Temp Out Heater Heat Guage

1998 GMC SONOMA
123,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
My truck seems to be running very cool. The temp out of the heater is cool. No heat. The temp guage is runnimg cool also.
Mar 19, 2013 at 8:20 PM
Advertisement
Avatar
BLAZE45
  • ✓ASE Certified Mechanic
  • 380 POSTS
  • ASE Certified Mechanic
Your thermostat could be stuck open and is bad. Probably time for a replacement.
Mar 19, 2013 at 9:34 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.