GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the I/P center trim panel. Refer to Instrument Panel Center Trim Panel Replacement .
  2. Remove the front floor console trim plate. Refer to Front Floor Console Trim Plate Replacement.

  3. Object Number: 2015625  Size: SH
  4. Disengage the five retainers (1) from the HVAC control unit (2).
  5. Remove the HVAC control unit (2).
  6. Remove the electrical connectors from the HVAC control unit.

  7. Object Number: 2015626  Size: SH
  8. Disengage the two clips and disconnect the mode control cable.

  9. Object Number: 2015629  Size: SH
  10. Disengage the two clips and disconnect the temperature control cable assembly.

  11. Object Number: 2015629  Size: SH
  12. Disengage the two clips (2) and remove the mode control switch (1), if necessary.

  13. Object Number: 2015630  Size: SH
  14. Remove the bulb (1) from the mode control switch, if necessary.

  15. Object Number: 2015634  Size: SH
  16. Disengage the two clips (2) and remove the blower/rear defogger switch (1), if necessary.

  17. Object Number: 2015636  Size: SH
  18. Remove the bulb (1) from the blower/rear defogger switch, if necessary.

  19. Object Number: 2015638  Size: SH
  20. Disengage the two clips (2) and remove the A/C switch (1), if necessary.

  21. Object Number: 2015640  Size: SH
  22. Remove the bulb (1) from the A/C switch, if necessary.

Installation Procedure


    Object Number: 2015640  Size: SH
  1. Install the bulb (1) to the A/C switch, if removed.

  2. Object Number: 2015638  Size: SH
  3. Engage the two clips (2) and install the A/C switch (1), if removed.

  4. Object Number: 2015636  Size: SH
  5. Install the bulb (1) to the blower/rear defogger switch, if removed.

  6. Object Number: 2015634  Size: SH
  7. Engage the two clips (2) and install the blower/rear defogger switch (1), if removed.

  8. Object Number: 2015630  Size: SH
  9. Install the bulb (1) to the mode control switch, if removed.

  10. Object Number: 2015629  Size: SH
  11. Engage the two clips (2) and install the mode control switch (1), if removed.

  12. Object Number: 2015629  Size: SH
  13. Engage the two clips and connect the temperature control cable assembly.

  14. Object Number: 2015626  Size: SH
  15. Engage the two clips and connect the mode control cable.

  16. Object Number: 2015625  Size: SH
  17. Connect the electrical connectors from the HVAC control unit.
  18. Install the HVAC control unit (2).
  19. Engage the five retainers (1) to the HVAC control unit (2).
  20. Install the front floor console trim plate. Refer to Front Floor Console Trim Plate Replacement.
  21. Install the I/P center trim panel. Refer to Instrument Panel Center Trim Panel Replacement .