GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Raise the vehicle.
  2. Note: Removal of the left headlamp may aid in access.
  3. Remove the retaining screws from the front portion of the splash shield in the left front wheel well .

  4. Lower the splash shield far enough to gain access to the secondary air injection (AIR) assembly.

  5. Object Number: 601192  Size: SH
  6. Loosen and lower the clamp on the AIR exhaust pipe (4) at the AIR pump (3).
  7. Disconnect the AIR exhaust pipe from the AIR pump.
  8. Disconnect the electrical connector from the AIR pump.
  9. Remove the 3 AIR pump mounting bolts (2).
  10. Unclip the pump intake hose (1) from the vehicle.
  11. Remove the AIR pump and bracket as an assembly.

Installation Procedure


    Object Number: 601192  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Attach the AIR pump and bracket assembly (3) to the frame rail using the 3 attaching bolts (2)
  2. Tighten
    Tighten the attaching bolts to 10 N·m (89 lb in)

  3. Connect the AIR pump electrical connector.
  4. Re-attach the pump intake hose (1) to the vehicle.
  5. Attach the AIR exhaust pipe (4) to the AIR pump outlet port.
  6. Place the pinch clamp around the AIR pump outlet port and exhaust hose connection.
  7. Raise the wheel well splash shield into position.
  8. Install the screws retaining the wheel well splash shield.
  9. Lower the vehicle.