GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Tilt the cab. Refer to Cab Tilting in General Information.
  2. Partially drain the cooling system.
  3. Refer to Cooling System Draining and Filling .


    Object Number: 209250  Size: SH
  4. Remove the following components:
  5. • The radiator surge tank inlet hose
    • The clamp
  6. Remove the following components:
  7. • The radiator surge tank outlet hose (1)
    • The clamp
  8. Remove the following components:
  9. • The surge tank overflow hose
    • The clamp
  10. Disconnect the low coolant sensor electrical connector.

  11. Object Number: 209252  Size: SH
  12. Remove the low coolant sensor (1).
  13. Remove the radiator surge tank bolts.
  14. Remove the radiator surge tank from the mount.
  15. Inspect the radiator surge tank for cracks.
  16. Replace the surge tank if the surge tank is damaged.

Installation Procedure

  1. Install the radiator surge tank to the mount.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the radiator surge tank bolts.
  4. Tighten
    Tighten the radiator surge tank bolts to 6 N·m (53 lb in).


    Object Number: 209252  Size: SH
  5. Install the low coolant sensor (1).
  6. Connect the low coolant sensor electrical connector.
  7. Install the radiator surge tank inlet hose and the clamp.
  8. Tighten
    Tighten the clamp to 3 N·m (27 lb in).

  9. Install the radiator surge tank outlet hose and the clamp.
  10. Tighten
    Tighten the clamp to 3 N·m (27 lb in).


    Object Number: 209250  Size: SH
  11. Install the surge tank overflow hose (1) and the clamp.
  12. Fill the cooling system. Refer to Cooling System Draining and Filling .
  13. Inspect the system for leaks.
  14. Lower the cab. Refer to Cab Tilting in General Information.