GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel center air outlet bezel. Refer to Instrument Panel Center Air Outlet Bezel Replacement.
  2. Important: The rear air suspension control valve switch is part of the accessory switch. If the control switch is defective, the accessory switch will have to be replaced.

  3. Remove the accessory switch. Refer to Accessory Switch Replacement.

Installation Procedure

  1. Install the accessory switch. Refer to Accessory Switch Replacement.
  2. Install the instrument panel center air outlet bezel. Refer to Instrument Panel Center Air Outlet Bezel Replacement.