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.

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

2. Drain the engine coolant. For additional information, refer to Cooling System &/or Engine Block Heater.

3. Remove the floor console. For additional information, refer to Instrument Cluster / Carrier &/or Interior Moulding / Trim.

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 Cooling System &/or Engine Block Heater.