GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Lumina 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Defroster Valve Actuator Replacement

Removal Procedure
  1. Remove the right side instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.
  2. Remove the instrument panel compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.

    3. Object Number: 417732 Size: SH
  3. Disconnect the vacuum lines (1) from the defroster vacuum actuator.
  4. Released the defroster vacuum actuator retaining clip (2) from the HVAC module.
  5. Rotate the air inlet vacuum actuator in order to disconnect the actuator shaft (3).
  6. Remove the air inlet vacuum actuator from the module.

Installation Procedure

    Object Number: 417732 Size: SH
  1. Rotate the defroster vacuum actuator in order to connect the actuator shaft (3).
  2. To install, align the actuator and press inward to engaged on the mounting tabs on the HVAC module (2).
  3. Connect the vacuum lines (1) to the defroster vacuum actuator.
  4. Install the instrument panel compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.
  5. Install the right side instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.