GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1665453  Size: SH
  1. Remove the front air deflector. Refer to Front Air Deflector Replacement .
  2. Disconnect the engine harness electrical connector (1) from the secondary air injection (AIR) pump.

  3. Object Number: 1665331  Size: SH
  4. Disconnect the AIR pump inlet hose quick connect fitting from the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service .

  5. Object Number: 1673194  Size: SH
  6. Disconnect the AIR pump outlet hose quick connect fitting from the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service .

  7. Object Number: 1673187  Size: SH
  8. Remove the AIR pump bolt.

  9. Object Number: 1673189  Size: SH
  10. Loosen the AIR pump nuts.
  11. Lift up and pull out in order to remove the AIR pump from the cradle bracket.

Installation Procedure


    Object Number: 1673189  Size: SH
  1. Align and install the AIR pump integral nuts to the holes in the cradle bracket and push the pump down.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the AIR pump nuts.
  4. Tighten
    Tighten the nuts to 10 N·m (89 lb in).


    Object Number: 1673187  Size: SH
  5. Install the AIR pump bolt.
  6. Tighten
    Tighten the bolt to 12 N·m (106 lb in).


    Object Number: 1673194  Size: SH
  7. Connect the AIR pump outlet hose quick connect fitting to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service .

  8. Object Number: 1665331  Size: SH
  9. Connect the AIR pump inlet hose quick connect fitting to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service .

  10. Object Number: 1665453  Size: SH
  11. Connect the engine harness electrical connector (1) to the AIR pump.
  12. Install the front air deflector. Refer to Front Air Deflector Replacement .