Heater Core: Service and Repair

Heater Core

Removal and Installation

1. Allow the engine (6007) to cool. Following all safety precautions and using a thick cloth, turn radiator cap slowly to the first stop. Step back while pressure is released. When the pressure has been released, tighten the radiator cap on the radiator.

2. Disconnect the heater water hoses (18472) from the heater core (18476) and plug the heater water hoses.

3. In the passenger compartment, remove the instrument panel (04320). Service and Repair

4. Remove heater air plenum chamber (18471). Refer to Removal and Installation. Service and Repair

5. Remove heater core from heater air plenum chamber. For installation, follow removal procedures in reverse order.

Heater Core: Service and Repair

Heater Air Plenum Chamber Installation: