Heater Hose: Service and Repair

HEATER HOSE

Heater Hose-to-Heater Core Connections:

Heater Hose-to-Engine Connection:

Heater Hose-to-Throttle Body Connection:

Heater Hose-to-Auxiliary Coolant Flow Pump Connection:

Auxiliary Coolant Flow Pump Hose-to-Thermostat Connection:

Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Drain the engine coolant.
3. If removing a single hose from the heater core, remove the heater hose retainer.

4. NOTE: To access the lower heater hose connections, remove the lower splash shield.

Release the clamps and remove the necessary heater hoses.

5. NOTE: Lubricate the coolant hoses with water if needed.

To install, reverse the removal procedure.
- Fill and bleed the engine cooling system.