GM Service Manual Online
For 1990-2009 cars only

Tools Required

GE-47622 Hose Clamp Pliers

Removal Procedure

  1. Drain the charge air cooling system. Refer to Charge Air Cooling System Draining and Filling .

  2. Object Number: 1382066  Size: SH
  3. Using GE-47622 compress the auxiliary water pump inlet hose clamp at the charge air cooler pump.
  4. Remove the auxiliary water pump inlet hose from the charge air cooler pump.

  5. Object Number: 1382069  Size: SH
  6. Using GE-47622 compress the auxiliary water pump outlet hose clamp at the charge air cooler pump.
  7. Remove the auxiliary water pump outlet hose from the charge air cooler pump.

  8. Object Number: 1388246  Size: SH
  9. Disconnect the charge air cooler pump electrical connector.
  10. Remove the charge air cooler pump mounting clamp bolts.
  11. Remove the charge air cooler pump.

Installation Procedure


    Object Number: 1388246  Size: SH
  1. Install the charge air cooler pump.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the mounting clamp bolts to the charge air cooler pump.
  4. Tighten
    Tighten the bolts to 10 N·m (88 lb in).

  5. Connect the charge air cooler pump electrical connector.

  6. Object Number: 1382066  Size: SH
  7. Using GE-47622 compress the auxiliary water pump inlet hose clamp to secure the hose.
  8. Install the auxiliary water pump inlet hose to the charge air cooler pump.

  9. Object Number: 1382069  Size: SH
  10. Using GE-47622 compress the auxiliary water pump outlet hose clamp to secure the hose.
  11. Install the auxiliary water pump outlet hose to the charge air cooler pump.
  12. Lower the vehicle.
  13. Fill the cooling system. Refer to Charge Air Cooling System Draining and Filling .