GM Service Manual Online
For 1990-2009 cars only

Temperature Valve Actuator Replacement - Right Side LHD

Removal Procedure

  1. Remove the air inlet assembly. Refer to Air Inlet Assembly Replacement.

  2. Object Number: 1958729  Size: SH
  3. Remove the right air temperature actuator to HVAC unit retaining screws (1).

  4. Object Number: 1958731  Size: SH
  5. Remove the right air temperature actuator (1).
  6. Disconnect the right air temperature actuator electrical connector (2).

Installation Procedure


    Object Number: 1958731  Size: SH
  1. Connect the right air temperature actuator electrical connector (2).
  2. Install the right air temperature actuator (1).
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1958729  Size: SH
  4. Install the right air temperature actuator to HVAC unit retaining screws (1).
  5. Tighten
    Tighten the screws to 1 N·m (9 lb in).

  6. Install the air inlet assembly. Refer to Air Inlet Assembly Replacement.

Temperature Valve Actuator Replacement - Right Side RHD

Removal Procedure

  1. Remove the right side console lower extension. Refer to Instrument Panel Extension Replacement.
  2. Remove right side floor duct. Refer to Floor Air Outlet Duct Replacement - Right Side.

  3. Object Number: 1958718  Size: SH
  4. Disconnect the driver air mix actuator electrical connector (2).
  5. Remove the driver air mix actuator to HVAC module assembly retaining screws (3).
  6. Remove the driver air mix actuator from the HVAC module assembly (4).

Installation Procedure


    Object Number: 1958740  Size: SH
  1. Align the actuator drive gear (1) with the door shaft spline (2).

  2. Object Number: 1958718  Size: SH
  3. Install the driver air mix actuator (1) to HVAC module assembly (4).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the driver air mix actuator to HVAC module assembly retaining screws (3).
  6. Tighten
    Tighten the screws to 1 N·m (9 lb ft).

  7. Connect the driver air mix actuator electrical connector (2).
  8. Install the right side floor duct. Refer to Floor Air Outlet Duct Replacement - Right Side.
  9. Install the right side console lower extension. Refer to Instrument Panel Extension Replacement.
  10. Perform HVAC system relearn. Refer to HVAC Control Module Programming and Setup.