GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn OFF the ignition.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the left wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Remove the left front fender liner. Refer to Fender Liner Replacement in Body Front End.
  5. Loosen the pinch clamp on the secondary air injection (AIR) exhaust pipe hose.

  6. Object Number: 529919  Size: SH
  7. Disconnect the AIR exhaust hose from the AIR pump.
  8. Lower the vehicle.
  9. Remove the air intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  10. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  11. Loosen the pump outlet hose to crossover pipe pinch clamp.
  12. Remove the pump outlet hose.

Installation Procedure

  1. Install the pump outlet hose to the crossover pipe.
  2. Place a pinch clamp around the outlet hose to the crossover pipe connection.
  3. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  4. Install the air intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Lightly lubricate the inner edge of the AIR exhaust hose.

  7. Object Number: 529919  Size: SH
  8. Attach the AIR exhaust hose to the AIR pump outlet port.
  9. Place the pinch clamp around the outlet port/exhaust hose connection.
  10. Install the left front fender liner. Refer to Fender Liner Replacement in Body Front End.
  11. Install the left wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  12. Lower the vehicle.