GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 962578  Size: SH
  1. Remove the auxiliary rear HVAC control assembly. Refer to Auxiliary Heater and Air Conditioning Control Replacement - Rear .
  2. Remove the auxiliary HVAC control processor (2) from the bracket (3).

  3. Object Number: 962574  Size: SH
  4. Remove the cover from the auxiliary HVAC control processor (2).
  5. Remove the auxiliary HVAC control processor (2) from the box (1).

Installation Procedure


    Object Number: 962574  Size: SH
  1. Install the auxiliary HVAC control processor (2) to the box. (1)
  2. Install the cover to the auxiliary HVAC control processor (2).

  3. Object Number: 962578  Size: SH
  4. Install the auxiliary HVAC control processor (2) to the bracket (3).
  5. Install the auxiliary rear HVAC control assembly. Refer to Auxiliary Heater and Air Conditioning Control Replacement - Rear .