Operation CHARM: Car repair manuals for everyone.

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 it is removed from the vehicle. For additional information, refer to Climate Control System - General Information and Diagnostics Testing and Inspection.

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Drain the engine coolant. For additional information, refer to Engine Cooling Cooling System Draining, Filling and Bleeding.

3. Remove the floor console. For additional information, refer to Instrument Panel and Console Console - Floor.

4. Remove the RH lower instrument panel insulator.

5. Remove the screw and the floor duct.





6. Release the 2 heater hose clamps and disconnect the heater hoses from the heater core.

7. Remove the 6 in-vehicle crossbeam bracket bolts and remove the brackets (RH shown).
- To install, tighten to 25 Nm (18 lb-ft).





8. Remove the LH floor duct clip between the heater core and evaporator core housing and the dash panel.





9. Remove the LH floor duct.

1. Remove the LH floor duct clip

2. Remove the LH floor duct screw.

- Remove the LH floor duct.





10. Remove the RH floor duct.

1. Remove the RH floor duct clip.

2. Remove the RH floor duct screw.

- Remove the RH floor duct.





11. Remove the heater core cover.

1. Remove the 2 heater core cover screws.

2. Remove the 2 heater core cover clips.

3. Release the heater core cover tab and remove the heater core cover and heater core as an assembly.





12. Remove the heater core tube bracket screw.





13. Remove the heater core.

14. To install, reverse the removal procedure.

15. Fill the engine coolant level. For additional information, refer to Engine Cooling Cooling System Draining, Filling and Bleeding.