Heater Core: Service and Repair

HEATER CORE






Removal and Installation

NOTE: If a heater core leak is suspected, the heater core must be leak tested before the heater core is removed. Component Tests and General Diagnostics

1. Drain the engine coolant. Service and Repair
2. Release the 2 clamps and disconnect the 2 heater hoses from the heater core.
3. Remove the instrument panel. Service and Repair
4. Remove the screw and the temperature blend door lever.
5. Remove the 3 heater core cover screws and the heater core cover.
6. Remove the heater core.

7. NOTE:
- Make sure the temperature blend door actuator and switch are in the correct position when installing the temperature blend door lever.
- Lubricate the coolant hoses with plain water only if needed.

To install, reverse the removal procedure.

8. Fill and bleed the engine cooling system. Service and Repair