GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

  2. Object Number: 289172  Size: SH
  3. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  4. Remove the surge tank. Refer to Radiator Surge Tank Replacement .
  5. Disconnect the wiring harness connector from the coolant level switch.
  6. Remove the coolant level switch.

Installation Procedure


    Object Number: 289172  Size: SH
  1. Install the coolant level switch.
  2. Connect the wiring harness connector to the coolant level switch.
  3. Install the surge tank. Refer to Radiator Surge Tank Replacement .
  4. Fill the surge tank with engine coolant.
  5. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  6. Inspect for leaks.