Heater Inlet Hose Replacement

REMOVAL

WARNING: REVIEW THE WARNINGS AND CAUTIONS IN THE FRONT BEFORE PERFORMING THE FOLLOWING OPERATION.

NOTE: The heater hose assembly is constructed from rubber hoses and a metal tube. The ends of the heater hose assembly are secured to the engine by spring tension clamps.

1. Drain the engine cooling system.

Heater Hoses - 3.7L Shown, 4.7L Typical:

2. Remove the air intake housing from the top of the engine.
3. Remove the retainers that secure the heater hose assemble brackets to the top of the engine.
4. Using spring tension clamp pliers, compress and slide the clamps off of each end of the hose being removed.

CAUTION: DO NOT apply excessive pressure on heater tubes or connections when removing heater hoses. Excessive pressure may damage or deform the tubes/heater core, causing an engine coolant leak.

5. Disconnect each hose end by carefully twisting the hose back and forth on the tube, while gently pulling it away from the end of the tube.

NOTE: Replacement of the heater inlet hose and/or the heater hose assembly will be required if the hose ends are cut for removal.

6. If necessary, carefully cut the hose end and peel the hose off of the tube.
7. Remove the heater inlet hose and heater hose assembly from the engine compartment.
8. Separate the heater inlet hose from the heater hose assembly as required.

INSTALLATION
1. If separated, reconnect the heater inlet hose to the heater hose assembly.
2. Position the heater inlet hose and heater hose assembly into the engine compartment.
3. Using spring tension clamp pliers, compress and slide each clamp away from the end of the hose being installed.
4. Install each hose by carefully twisting the hose back and forth while gently pushing it onto the tube end.
5. Using spring tension clamp pliers, compress and slide the clamps onto each end of the hose being installed.
6. Install the retainers that secure the heater hose assembly retaining brackets to the top of the engine.
7. Install the air intake housing to the top of the engine.
8. Refill the engine cooling system.