Heater Outlet Hose Replacement

Heater Outlet Hose Replacement (LS4) (5.3L)

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (Service and Repair)Cooling System Draining and Filling (LS4 Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 GE 47716 Fill) (Service and Repair).




2. Use J 38185 to reposition the heater outlet hose clamp to the heater pipe.
3. Remove the heater outlet hose (2) from the heater pipe.




4. Use J 38185 to reposition the heater outlet hose to the heater core clamp.
5. Remove the heater outlet hose (2) from the heater core.

Installation Procedure




1. Connect heater outlet hose (2) to the heater core.
2. Use J 38185 to reposition the heater outlet hose to heater core clamp.




3. Install the heater outlet hose (2) to the heater pipe.
4. Use J 38185 to reposition the heater outlet hose to the heater pipe clamp.
5. Fill the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (Service and Repair)Cooling System Draining and Filling (LS4 Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 GE 47716 Fill) (Service and Repair).