2005 Chevrolet Avalanche Repair Question
Topics covered: Blend door, Door, Heater.
Mileage: 180,000 miles.
Mileage: 180,000 miles.
Asked on December 3, 2010
Heater
Heater blows cold air for about 20 minutes before it heats up
Asked by marshall35@fuse.netAnswer
Replied on December 3, 2010
Check the air blend door and actuator if okay could be coming from the HVAC control module itself
