GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Savana
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 Defroster Valve Actuator Replacement
Removal Procedure
Remove the I/P upper trim pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument Panel, Gages, and Console.
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 I/P upper trim pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument Panel, Gages, and Console.