1991 Chevy Silverado heater

1991 CHEVROLET SILVERADO
Avatar
MEGANAZ
  • MEMBER
  • 1 POST
Heater problem
1991 Chevy Silverado V8 Two Wheel Drive Automatic

my heater wont blow warm air i replaced the heating core and it is still cold wht is it
Dec 10, 2009 at 4:21 PM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Did you replace the thermostat? If so could be door problems with air mix/blend/mode, vacuum/actuator and HVAC control
Dec 10, 2009 at 9:13 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
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