GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 38816-1A Coolant Pump Remover/Installer

  1. Drain the coolant. Refer to Cooling System Draining and Filling .
  2. Disconnect the engine torque strut. Position the strut out of the way. Refer to Engine Mount Strut Replacement in Engine Mechanical.
  3. Remove the air cleaner assembly.

  4. Object Number: 69921  Size: SH
  5. Remove the coolant pump belt cover.

  6. Object Number: 69920  Size: SH
  7. Remove the coolant pump drive belt.
  8. Remove the bypass hose.

  9. Object Number: 71141  Size: SH
  10. Disconnect the radiator outlet hose from the thermostat housing.

  11. Object Number: 69918  Size: SH
  12. Remove the coolant pump cover.

  13. Object Number: 69917  Size: SH
  14. Using the J 38816-1A , turn the pump clockwise in order to remove the pump from the housing.
  15. Remove the coolant pump from the vehicle.
  16. Clean the coolant pump and the sealing surfaces of the pump cover.

Installation Procedure

Tools Required

J 38816-1A coolant pump Remover/Installer


    Object Number: 69917  Size: SH
  1. In order to install the coolant pump, use the J 38816-1A . Turn the J 38816-1A counterclockwise.
  2. Tighten
    Tighten the coolant pump to 100 N·m (73 lb ft).

    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.


    Object Number: 69918  Size: SH
  3. Install the coolant pump cover.
  4. Install the 4 pump cover housing bolts.
  5. Tighten
    Tighten the housing bolts to 10 N·m (89 lb in).


    Object Number: 71141  Size: SH
  6. Connect the radiator outlet hose to the thermostat housing.

  7. Object Number: 69920  Size: SH
  8. Install the bypass hose.
  9. Install the coolant pump drive belt.

  10. Object Number: 69921  Size: SH
  11. Install the coolant pump belt cover.
  12. Install the air cleaner assembly.
  13. Install the engine torque strut. Refer to Engine Mount Strut Replacement in Engine Mechanical.
  14. Refill the coolant. Refer to Cooling System Draining and Filling .