Heater Inlet Hose Replacement (RPOs LZE, LZ4, LZ8)

Heater Inlet Hose Replacement (RPOs LZE, LZ4, LZ8)

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

1. Drain the coolant. Refer to Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8, 9C1, 9C3, GE47716 Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8 Static Fill).
2. Remove the surge tank from the surge tank bracket.
3. Reposition the heater inlet hose clamp at the heater core using the J 38185.
4. Reposition the heater inlet hose clamp at the engine using the J 38185.




5. Remove the heater inlet hose from the heater core.
6. Remove the heater inlet hose from the engine.
7. Remove both heater inlet hose clamps from the heater inlet hose.

Installation Procedure

1. Install both heater inlet hose clamps to the heater inlet hose.




2. Install the heater inlet hose to the engine.
3. Install the heater inlet hose to the heater core.
4. Reposition the heater inlet hose clamp at the engine using the J 38185.
5. Reposition the heater inlet hose clamp at the heater core using the J 38185.
6. Install the surge tank to the surge tank bracket.
7. Fill the coolant. Refer to Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8, 9C1, 9C3, GE47716 Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8 Static Fill).