GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2000 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Secondary Air Injection Pump Replacement - Bank 1

Removal Procedure
  1. Raise the vehicle.
  2. Remove the retaining screws from the front portion of the right front wheel well/splash shield.
  3. Lower the splash shield far enough to gain access to the AIR pump assembly.

    4. Object Number: 602317 Size: SH
  4. Loosen and lower the AIR exhaust hose pinch clamp.
  5. Disconnect the AIR exhaust hose from the AIR pump.

    6. Object Number: 602318 Size: MH
  6. Carefully remove the AIR inlet hose/filter assembly from the AIR pump.

    7. Object Number: 602316 Size: MH
  7. Disconnect the AIR pump electrical connector.

    8. Object Number: 602319 Size: SH
  8. Loosen the lower AIR to cradle bracket nuts.
  9. Remove the upper AIR pump to cradle bolt.
  10. Lift up and pull out to remove the AIR pump from the cradle bracket.

Installation Procedure

    Object Number: 602319 Size: SH
  1. Install the lower AIR pump bolts/nuts into the cradle bracket and push down.
  2. Install the upper AIR pump to cradle bolt.

    3. Tighten
    Tighten the upper AIR pump to cradle bolt to 9 N·m (80 lb in).


    Object Number: 602318 Size: MH

    Inspect
    Ensure that the rubber o-ring is on the bottom of the AIR pump.

    Important: Listen for a CLICK to ensure proper connection of the AIR inlet hose/filter to the AIR pump.

  3. Install the AIR inlet hose/filter assembly to the AIR pump.

    4. Object Number: 602317 Size: SH
  4. Install the AIR pump exhaust hose to the AIR pump, and secure with hose clamp.

    5. Object Number: 602316 Size: MH
  5. Reconnect the AIR pump electrical connector.
  6. Raise the wheel well/splash shield into position.
  7. Re-install the wheel well/splash shield retaining screws.
  8. Lower the vehicle.