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.

1. Drain the engine coolant.
2. Release the 2 clamps and disconnect the 2 heater hoses from the heater core.
3. Remove the instrument panel. Refer to: Body and Frame, Interior Moulding/Trim, Dashboard/Instrument Panel, Service and Repair, 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.