GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Generator Control Module Coolant Pump Hose Replacement

Removal Procedure

    Object Number: 1206674 Size: SH
  1. Drain the generator control module (GCM) cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove the surge tank. Refer to Radiator Surge Tank Replacement .
  3. Reposition the GCM coolant pump hose clamp (1) from the GCM coolant tank (2).
  4. Remove the GCM coolant pump hose (3) from the GCM coolant tank (2).

    5. Object Number: 1206679 Size: SH
  5. Remove the bolts (2) from the GCM coolant pump (1).
  6. Reposition the GCM coolant pump (1) from the radiator core support (3).

    7. Object Number: 1206695 Size: SH
  7. Open the coolant pump hose clip (3) located on the frame rail.
  8. Reposition the GCM coolant pump hose clamp (1) from the GCM coolant pump (2).
  9. Remove the GCM coolant pump hose (4) from the GCM coolant pump (2).
  10. Remove the GCM coolant pump hose (4) from the vehicle.

Installation Procedure

    Object Number: 1206695 Size: SH
  1. Install the GCM coolant pump hose (4) to the vehicle.
  2. Install the GCM coolant pump hose (4) to the GCM coolant pump (2).
  3. Position the GCM coolant pump hose clamp (1) to the GCM coolant pump (2).
  4. Close the coolant pump hose clip (3) located on the frame rail.

    5. Object Number: 1206679 Size: SH
  5. Position the GCM coolant pump (1) to the radiator core support (3).

    6. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the bolts (2) to the GCM coolant pump (1).

    7. Tighten
    Tighten the bolts to 9 N·m (80 lb in).


    Object Number: 1206674 Size: SH
  7. Install the GCM coolant pump hose (3) to the GCM coolant tank (2).
  8. Position the GCM coolant pump hose clamp (1) to the GCM coolant tank (2).
  9. Install the surge tank. Refer to Radiator Surge Tank Replacement .

    10. Notice: The procedure below must be followed. Improper coolant level could result in a low or high coolant level condition, causing starter/generator control module damage.

  10. Fill the GCM cooling system. Refer to Generator Control Module Cooling System Draining and Filling .