GM Service Manual Online
For 1990-2009 cars only

Surge Tank Hose Replacement Heater Core to Water Pump

Tools Required

J 43181 Quick Connect Connector Removal Tool

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air intake tube. Refer to Air Cleaner Assembly Replacement Engine Controls-4.8L, 5.3L, 6.0L.
  3. Remove the heater and surge tank hoses from the mounting clip.

  4. Object Number: 362171  Size: SH
  5. Using the link disconnect the heater and surge tank hoses from the heater core inlet and the outlet.
  6. • Install the link to the heater core pipes.
    • Close the tool around the heater core pipes.
    • Firmly pull the tool into the quick connect end of the heater hose.
    • Firmly grasp the hose. Pull the hose forward in order to disengage the hose from the heater core.

    Object Number: 362166  Size: SH
  7. Remove the surge tank hose from the surge tank.

  8. Object Number: 363237  Size: SH
  9. Remove the surge tank hose from the water pump.

  10. Object Number: 363118  Size: SH
  11. Remove the surge tank hose.

Installation Procedure


    Object Number: 363118  Size: SH
  1. Install the surge tank hose.

  2. Object Number: 363237  Size: SH
  3. Install the surge tank hose to the water pump.

  4. Object Number: 362166  Size: SH
  5. Install the surge tank hose to the surge tank.

  6. Object Number: 362171  Size: SH
  7. Connect the heater and surge tank hoses to the heater core.
  8. Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  9. Install the heater and surge tank hoses to the mounting clip.
  10. Install the air intake tube. Refer to Air Cleaner Assembly Replacement Engine Controls-4.8L, 5.3L, 6.0L.
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .
  12. Inspect the cooling system for leaks. Refer to Cooling System Leak Testing .

Surge Tank Hose Replacement Surge Tank to Radiator

Tools Required

J 43181 Quick Connector Removal Tool

Removal Procedure


    Object Number: 404039  Size: SH
  1. Remove the surge tank inlet hose from the radiator.

  2. Object Number: 362166  Size: SH
  3. Remove the surge tank inlet hose from the surge tank.
  4. Remove the surge tank inlet hose.

Installation Procedure


    Object Number: 362166  Size: SH
  1. Install the surge inlet tank hose.
  2. Install the surge inlet tank hose to the surge tank.

  3. Object Number: 404039  Size: SH
  4. Install the surge tank inlet hose to the radiator.
  5. Inspect the cooling system for leaks. Refer to Cooling System Leak Testing .