GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Secondary Air Injection Pump Replacement

Removal Procedure

    Object Number: 1755968 Size: SH
  1. Disconnect the engine wiring harness electrical connector from the secondary air injection (AIR) pump.
  2. Disconnect the AIR pump hose quick connect fitting (2) from the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Reposition the hose out of the way.

    4. Object Number: 1755972 Size: SH
  4. Disconnect the AIR feed tube quick connect fitting (1) from the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

    6. Object Number: 1755975 Size: SH
  6. Remove the front air deflector. Refer to Front Air Deflector Replacement .
  7. Disengage the AIR pump electrical connector clip (1) from the bracket.
  8. Remove the AIR pump nuts (3).
  9. Lower the vehicle.
  10. Remove the AIR pump (2).
  11. Remove the AIR pump insulators, if necessary.

Installation Procedure

    Object Number: 1755975 Size: SH
  1. Install the AIR pump insulators, if necessary.
  2. Install the AIR pump (2) to the bracket.
  3. Secure the AIR pump electrical connector clip (1) to the bracket.
  4. Raise the vehicle.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the AIR pump nuts.

    6. Tighten
    Tighten the nuts to 10 N·m (89 lb in).

  6. Install the front air deflector. Refer to Front Air Deflector Replacement .

    7. Object Number: 1755972 Size: SH
  7. Lower the vehicle.
  8. Connect the AIR feed tube quick connect fitting (1) to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.

    9. Object Number: 1755968 Size: SH
  9. Connect the AIR pump hose quick connect fitting (2) to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.
  10. Connect the engine wiring harness electrical connector to the AIR pump.