GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Savana 🢒 HVAC 🢒 HVAC - Manual 🢒 Defroster Valve Actuator Replacement

Removal Procedure
  1. Remove the I/P upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement.

    2. Object Number: 668959 Size: SH
  2. Disconnect the vacuum hose (1) from the defrost actuator (2).
  3. Depress the clip and remove the defrost actuator (2) from the heater assembly.

Installation Procedure

    Object Number: 668959 Size: SH
  1. Install the defrost actuator (2) to the heater assembly.
  2. Connect the vacuum hose (1) to the defrost actuator (2).
  3. Install the I/P upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement.