GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1206689  Size: SH
  1. Drain the generator control module (GCM) cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove the GCM radiator outlet hose (5) from the GCM radiator (2). Refer to Generator Control Module Coolant Pipe Quick Connect Fitting Replacement .
  3. Remove the GCM radiator outlet hose (5) from the clip (4).

  4. Object Number: 1206695  Size: SH
  5. Remove the GCM coolant hose from the clip (3).

  6. Object Number: 1206682  Size: SH
  7. Remove the GCM coolant hose from the clip.
  8. Reposition the GCM coolant hose clamp (2) from the GCM (3).
  9. Remove the GCM coolant hose (1) from the GCM (3).
  10. Remove the GCM coolant hose (1) from the vehicle.

Installation Procedure


    Object Number: 1206682  Size: SH
  1. Install the GCM coolant hose (1) to the vehicle.
  2. Install the GCM coolant hose (1) to the GCM (3).
  3. Position the GCM coolant hose clamp (2) to the GCM (3).
  4. Install the GCM coolant hose to the clip.

  5. Object Number: 1206695  Size: SH
  6. Install the GCM coolant hose to the clip (3).

  7. Object Number: 1206689  Size: SH
  8. Install the GCM coolant hose (5) to the clip (4).
  9. Install the GCM coolant hose (5) to the GCM radiator (2). Refer to Generator Control Module Coolant Pipe Quick Connect Fitting 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.

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