GM Service Manual Online
For 1990-2009 cars only

Heater and Air Conditioning Control Replacement C60

Removal Procedure

  1. Remove the IP cluster bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gages and Console.

  2. Object Number: 257069  Size: SH
  3. Remove the HVAC control assembly by firmly depressing and holding the retaining tabs and then sliding the assembly away from the dash.
  4. Disconnect the electrical connectors from the HVAC control assembly.
  5. Remove the HVAC control assembly.

Installation Procedure

  1. Install the HVAC control assembly.
  2. Connect the electrical connectors to the HVAC control assembly.

  3. Object Number: 257069  Size: SH
  4. Install the HVAC control assembly to the I/P carrier until a snap is heard.
  5. Install the IP cluster bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gages and Console.

Heater and Air Conditioning Control Replacement Heat Only

Removal Procedure

  1. Remove the radio. Refer to Radio Replacement in Entertainment.

  2. Object Number: 651721  Size: SH
  3. Remove the HVAC control assembly (1) by firmly depressing and holding the retaining tabs and then sliding the assembly away from the dash.
  4. Disconnect the electrical connector from the HVAC control assembly.

  5. Object Number: 651719  Size: SH
  6. Disconnect the temperature cable (1) and mode cable (2) from the back of the HVAC control assembly (3).
  7. Remove the HVAC control assembly (3).

Installation Procedure

  1. Install the HVAC control assembly (3).

  2. Object Number: 651719  Size: SH
  3. Connect the temperature cable (1) to the back of the HVAC control assembly (3).
  4. Connect the mode cable (2) to the back of the HVAC control assembly (3).
  5. Connect the electrical connector to the HVAC control assembly (3).

  6. Object Number: 651721  Size: SH
  7. Install the control head (1) to the carrier until a snap is heard.
  8. Install the radio. Refer to Radio Replacement in Entertainment.