1998 GMC C1500 Repair Question
Topics covered: Door, Blend door, Heater.
Mileage: 18,000 miles.
Mileage: 18,000 miles.
Asked on February 13, 2013
GMC C1500 Door Problem
How to troubleshoot problems with heat doors, like blend door etc.
Asked by (pending member)Answer
Replied on February 13, 2013
The blend air door is near the heater core. Basically, you need to see if the door reacts when you change from heat to cool air.
