GM Service Manual Online
For 1990-2009 cars only

Drive Motor Generator Control Module Coolant Pump Replacement Upper

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the generator control module cooling system. Refer to Generator Control Module Cooling System Draining and Filling
  2. Remove the generator control module coolant pump hose - pump to radiator inlet. Refer to Generator Control Module Coolant Pump Hose Replacement - Pump to Radiator Inlet
  3. Remove the generator control module coolant pump hose. Refer to Generator Control Module Coolant Pump Hose Replacement
  4. Disconnect the electrical connectors from the drive motor generator control module coolant pumps.

  5. Object Number: 2150492  Size: SH
  6. Remove the drive motor generator control module coolant pump bolts (1).
  7. Remove the drive motor generator control module coolant pump hose assembly (2) from the vehicle.

  8. Object Number: 2150495  Size: SH
  9. Remove the drive motor generator control module coolant pump hose clamp (1) using J 38185 Hose Clamp Pliers .
  10. Remove the drive motor generator control module coolant upper pump (2).

Installation Procedure


    Object Number: 2150495  Size: SH
  1. Install the drive motor generator control module coolant upper pump (2).
  2. Install the drive motor generator control module coolant pump hose clamp (1) using J 38185 Hose Clamp Pliers .

  3. Object Number: 2150492  Size: SH
  4. Install the drive motor generator control module coolant pump hose assembly (2) from the vehicle.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the drive motor generator control module coolant pump bolts (1) and tighten to 7.5 N·m (66 lb in).
  7. Connect the electrical connectors to the drive motor generator control module coolant pumps.
  8. Install the generator control module coolant pump hose. Refer to Generator Control Module Coolant Pump Hose Replacement
  9. Install the generator control module coolant pump hose - pump to radiator inlet. Refer to Generator Control Module Coolant Pump Hose Replacement - Pump to Radiator Inlet
  10. Fill the generator control module cooling system. Refer to Generator Control Module Cooling System Draining and Filling

Drive Motor Generator Control Module Coolant Pump Replacement Lower

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the generator control module cooling system. Refer to Generator Control Module Cooling System Draining and Filling
  2. Remove the generator control module coolant pump hose - pump to radiator inlet. Refer to Generator Control Module Coolant Pump Hose Replacement - Pump to Radiator Inlet
  3. Remove the generator control module coolant pump hose. Refer to Generator Control Module Coolant Pump Hose Replacement
  4. Disconnect the electrical connectors from the drive motor generator control module coolant pumps.

  5. Object Number: 2150492  Size: SH
  6. Remove the drive motor generator control module coolant pump bolts (1).
  7. Remove the drive motor generator control module coolant pump hose assembly (2) from the vehicle.

  8. Object Number: 2150493  Size: SH
  9. Remove the drive motor generator control module coolant pump hose clamp (1) using J 38185 Hose Clamp Pliers .
  10. Remove the drive motor generator control module coolant lower pump (2).

Installation Procedure


    Object Number: 2150493  Size: SH
  1. Install the drive motor generator control module coolant lower pump (2).
  2. Install the drive motor generator control module coolant pump hose clamp (1) using J 38185 Hose Clamp Pliers .

  3. Object Number: 2150492  Size: SH
  4. Install the drive motor generator control module coolant pump hose assembly (2) from the vehicle.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the drive motor generator control module coolant pump bolts (1) and tighten to 7.5 N·m (66 lb in).
  7. Connect the electrical connectors to the drive motor generator control module coolant pumps.
  8. Install the generator control module coolant pump hose. Refer to Generator Control Module Coolant Pump Hose Replacement
  9. Install the generator control module coolant pump hose - pump to radiator inlet. Refer to Generator Control Module Coolant Pump Hose Replacement - Pump to Radiator Inlet
  10. Fill the generator control module cooling system. Refer to Generator Control Module Cooling System Draining and Filling