RAM 2500 Truck 2WD V8-5.7L VIN D (2004)
Heater Hose: Service and Repair
Heater Inlet Hose Replacement
REMOVAL
The heater inlet hose is constructed from rubber hoses and plastic hose connectors. The ends are secured to the heater core, engine and engine coolant
reservoir (depending on engine application) by spring tension clamps.
WARNING: REVIEW THE WARNINGS AND CAUTIONS IN THE FRONT BEFORE PERFORMING THE FOLLOWING OPERATION.
1. Drain the engine cooling system.
Heated Hoses - Typical
2. Remove the heater hose retaining brackets as required (depending on engine application).
3. 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.
4. 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.
5. If necessary, carefully cut the hose end and peel the hose off of the tube.
NOTE: Replacement of the heater inlet hose will be required if the hose ends are cut for removal.
6. Remove the heater inlet hose from the engine compartment.
7. Separate the heater hoses from each other as required (depending on engine application).
INSTALLATION
1. If separated, reconnect the heater hoses to each other as required (depending on engine application).
2. Position the heater inlet hose 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 heater hose retaining brackets as required (depending on engine application).
7. Refill the engine cooling system.
