GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 933646  Size: SH
  1. Remove the instrument panel (I/P) storage compartment screws.
  2. Remove the storage compartment from the I/P.

  3. Object Number: 977304  Size: SH
  4. Starting at the bottom, pull to disengage the trim bezel clips.

  5. Object Number: 939709  Size: SH
  6. Disconnect the HVAC control head connections.

  7. Object Number: 977307  Size: SH
  8. Disconnect the electrical connectors from the bezel mounted switches.
  9. Remove the center trim bezel from the vehicle.

Installation Procedure


    Object Number: 933565  Size: SH
  1. Position the center trim bezel in the vehicle.
  2. Center the temperature cable knob by inserting the alignment tab into the centering slot of the temperature knob shaft.

  3. Object Number: 933637  Size: SH
  4. Center the HVAC module temperature door by aligning the cable lug of the temperature control cable with the center point detent spring.

  5. Object Number: 939709  Size: SH
  6. Install the temperature cable to the HVAC control head by aligning the snap tabs to the knob shaft and by snapping into place.
  7. Connect the other control head connectors.

  8. Object Number: 977307  Size: SH
  9. Connect the electrical connectors to the bezel mounted switches.

  10. Object Number: 977304  Size: SH
  11. Starting at the top of the bezel, push to engage the trim clips.

  12. Object Number: 933646  Size: SH
  13. Position the I/P storage compartment.
  14. Notice: Refer to Fastener Notice in the Preface section.

  15. Install the storage compartment screws.
  16. Tighten
    Tighten the screws to 2.5 N·m (22 lb in).