GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 187273  Size: SH
  1. Remove the automatic level control air compressor from the vehicle. Refer to Air Compressor Replacement .
  2. Clean the area around the connection of the air dryer (2) to the automatic level control air compressor head (1).
  3. Rotate the spring clip retaining the dryer to the automatic level control air compressor 90 degrees.
  4. Remove the air dryer (2) from the air dryer bracket and the automatic level control air compressor.

Installation Procedure


    Object Number: 187273  Size: SH
  1. Install the air dryer (2) to the air dryer bracket (3) and automatic level control air compressor.
  2. Rotate the clip 90 degrees in order to retain the dryer to the automatic level control air compressor.
  3. Install the automatic level control air compressor to the vehicle. Refer to Air Compressor Replacement .