heater blows cold on 1997 Chevrolet Tahoe

i forgot i also change the heater control valve it worked great for a few days then started blowing cold again

by in Oklahoma City, OK on November 26, 2012
1 answer
ANSWER by on November 26, 2012
check for full of radiator fluid (low fluid = no heat), if full may need new thermostat - you can check the old one by placing in freezer till cold and run under hot water and watch to see if it opens
Related Items:
I have a tohoe and the heat in the rear just stopped working out of nowhere now it just blows c...
it always blows cold air, even when the truck is already warmed up and driving around town, doesnt blow hot air at all.
What would cause the front to only blow cold and the back blows strong for both hot or cold. I was told maybe it might has something to do with a level not changing or moving from cold to hot. In ...
my heat blows cold air, the hoses are warm so i don't think it's the heater core. Also my air f...
i have changed the thermostat the blower motor resistor the air blows out defrost and floor so what else can i do could it be a relay

Related Content