Heater Inlet Hose Replacement

Heater Inlet Hose Replacement (LF1,LFW or LFX)

Special Tools

BO 38185 - Hose Clamp Pliers

For equivalent regional tools. Refer to Special Tools Tools and Equipment

Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill LF1) Cooling System Draining and Filling (Static Fill LF1)Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716)
2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement




3. Disengage tension on the heater inlet hose clamp (1) at the engine using BO 38185 - Hose Clamp Pliers.
4. Remove the heater inlet hose (2) from the engine.




5. Release the clip from the quick disconnect (1) and remove the heater inlet hose (2) from the heater core tube.
6. Remove the heater inlet hose from the vehicle.

Installation Procedure

1. Install heater inlet hose to the vehicle.





Note: Lubricate the inside diameters of the hose with clean coolant prior to installation.

2. Install the heater inlet hose (2) to the heater core.




3. Install the heater inlet hose (2) to the engine.
4. Engage tension on the heater inlet hose clamp (1) at the engine using BO 38185 - Hose Clamp Pliers.
5. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement
6. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill LF1) Cooling System Draining and Filling (Static Fill LF1)Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716)