Heater Inlet Hose Replacement

Heater Inlet Hose Replacement (LZE-3.5L Flex Fuel, LZ4-3.5L Gas, LGD-3.9L Flex Fuel)

Special Tools

J 38185 - Hose Clamp Pliers

Removal Procedure

1. Drain the coolant. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) (Service and Repair)Cooling System Draining and Filling (LZE, LZ4, LGD Static Fill) (Service and Repair)Cooling System Draining and Filling (LZE, LZ4, LGD, 9C1, 9C3, GE47716 Fill) (Service and Repair).
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 - Hose Clamp Pliers.
4. Reposition the heater inlet hose clamp at the engine using the J 38185 - Hose Clamp Pliers.




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 - Hose Clamp Pliers.
5. Reposition the heater inlet hose clamp at the heater core using the J 38185 - Hose Clamp Pliers.
6. Install the surge tank to the surge tank bracket.
7. Fill the coolant. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) (Service and Repair)Cooling System Draining and Filling (LZE, LZ4, LGD Static Fill) (Service and Repair)Cooling System Draining and Filling (LZE, LZ4, LGD, 9C1, 9C3, GE47716 Fill) (Service and Repair).