GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Generator Control Module Coolant Radiator Hose Replacement

Removal Procedure

    Object Number: 1206692 Size: SH
  1. Drain the generator control module (GCM) cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement .
  3. Remove the GCM coolant pump outlet hose (5) from the clip (6).

    4. Object Number: 1206677 Size: SH
  4. Remove the GCM coolant pump radiator hose (3) from the clip.
  5. Reposition the GCM coolant pump radiator hose clamp (2) from the GCM coolant pump (1).
  6. Remove the GCM coolant pump radiator hose (3) from the GCM coolant pump (1).
  7. Remove the GCM coolant pump radiator hose (3) from the vehicle.

Installation Procedure

    Object Number: 1206677 Size: SH
  1. Install the GCM coolant pump radiator hose (3) to the vehicle.
  2. Install the GCM coolant pump radiator hose (3) to the GCM coolant pump (1).
  3. Position the GCM coolant pump radiator hose clamp (2) to the GCM coolant pump (1).
  4. Install the GCM coolant pump radiator hose (3) to the clip.

    5. Object Number: 1206692 Size: SH
  5. Install the GCM coolant pump radiator hose (5) to the clip (6).
  6. Install the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement .

    7. 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.

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