1993 Chevrolet Blazer Repair Question
Topics covered: Heater, Blend door, Door.
Mileage: 170,000 miles.
Mileage: 170,000 miles.
Asked on January 6, 2013
Chevrolet Blazer Heater Problem
So my engine warms up properly. my heater blows only cold air even on defrost. what would cause this
Answer
Replied on January 6, 2013
Check the thermostat, heater core and the air blend door-