Asked in
Heater Cores and Blower Fans
Car Heaters
1982-1994 Chevy Cavaliers

Why would your heater blow cold air?


User Avatar
Wiki User
December 29, 2009 6:38PM

Your thermostat is most likely bad. It controls the flow of warm water into your heater core which warms your air. Its a common problem in winter and an easy fix.