GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 255043  Size: SH
  1. Turn OFF the ignition.
  2. Remove the cover from the underhood electrical center #2 (2).
  3. Remove the AIR solenoid relay.

Installation Procedure


    Object Number: 255043  Size: SH
  1. Turn OFF the ignition.
  2. Install the AIR solenoid relay.
  3. Install the cover to the underhood electrical center #2 (2) .
  4. Test the AIR system for proper operation.