GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 873573  Size: SH
  1. Disconnect the air pump harness connector.
  2. Remove the air pump wiring harness from the bracket.
  3. Remove the air pump outlet air hose.
  4. Remove the air pump bracket bolts.
  5. Remove the air pump/bracket assembly from the vehicle.
  6. Remove the air pump mounting bolt.
  7. Remove the air pump from the bracket.

Installation Procedure


    Object Number: 873573  Size: SH
  1. Install the air pump into the air pump bracket.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install and torque the bolt.
  4. Tighten
    Tighten the air pump-to-air pump bracket to 5.5 N·m (49 lb in).

  5. Install the air pump/bracket assembly into the vehicle.
  6. Important: Ensure the gaskets are installed correctly or a leak will occur. If the gaskets are removed from the studs, replace with new gaskets.

  7. Install and torque the bracket bolts.
  8. Tighten
    Tighten the air pump bracket-to-body bolts to 25 N·m (18 lb ft).

  9. Connect the air pump harness connector.
  10. Install the air pump wiring harness terminal on the bracket.