GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
TopKick C-Series (Crew) C4/C5
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 Defroster Valve Actuator Replacement
Removal Procedure
Remove the defroster grill. Refer to
Defroster Grille Replacement
.
Disconnect the vacuum hose (1) from the defrost actuator (2).
Depress the clip and remove the defrost actuator (2) from the heater assembly.
Installation Procedure
Install the defrost actuator (2) to the heater assembly.
Connect the vacuum hose (1) to the defrost actuator (2).
Install the defroster grill. Refer to
Defroster Grille Replacement
.