GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 368748  Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the battery. Refer to Battery Replacement in Engine Electrical.
  3. Disconnect the electrical connector from the coolant level module.
  4. Important: In order to unlock the coolant level module, lift one leg of the snap clip from its locked position and pull outward with a slight twisting motion.

  5. Remove the coolant level module.

Installation Procedure


    Object Number: 368748  Size: SH
  1. Lubricate the O-ring seal with coolant.
  2. Place the snap clip leg in place.
  3. Install the coolant level module.
  4. Connect the electrical connector to the coolant level module.
  5. Install the battery. Refer to Battery Replacement in Engine Electrical.
  6. Important: To properly fill the system requires the use of the air bleed vents. Refer to Cooling System Draining and Filling .

  7. Fill the cooling system. Refer to Cooling System Draining and Filling .