GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Savana 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Defroster Valve Actuator Replacement

Removal Procedure
  1. Remove the IP carrier from the vehicle. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.

    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 module.

Installation Procedure

    Object Number: 668959 Size: SH
  1. Install the defrost actuator (2) to the heater module.
  2. Connect the vacuum hose (1) to the defrost actuator (2).
  3. Install the IP carrier to the vehicle. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.