i have no air flow through defrost and dashboard vents. how do i fix?
Asked by gmc123456 Apr 14, 2013 at 03:32 PM about the 1994 GMC Sierra 1500 C1500 SL Standard Cab SB
Question type: Maintenance & Repair
I have pulled most of the dashboard off in order to see the vent doors. it appears that the doors are working. no air coming out the dashboard or defrost vents. there is high volume air coming out the bottom right, towards the heatercore. i believe that one or more actuator motors need replacing. how do i determin witch ones to replace. any help would be grateful. thanks
5 Answers
Here's a basic HVAC flow diagram that might help.
thanks for the diagram. where can i get a print like this in a normal size to be able to read it. (bad eyes)
Click on the print - it will become full screen. Right click on the full size and copy it to your folder. Then click on that "Best answer" button.
1995 Chevy 5.7 lye when in AC circulation mode no increase in air flow. What’s wrong?
my 1989 never had air conditioner so their for the air flow adjuster and temp control are cable operated