Heater Core: Service and Repair

REMOVAL
1. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Drain the cooling system. For additional information, refer to Cooling System.
3. Raise and support the vehicle. For additional information, refer to Maintenance/Service and Repair.







4. Disconnect the heater hoses from the heater core.
- Disconnect the vacuum line from the engine.

NOTE: Blow out the heater core.

5. Lower the vehicle.
6. Remove the floor console. For additional information, refer to Console.







7. Detach the air bag diagnostic monitor and position to one side.







8. Disconnect the vacuum supply line from the vacuum reservoir tank.







9. Disconnect the air distributor from the heater/evaporator core housing (housing shown removed).







10. Remove the heater outlet floor duct from the heater/evaporator core housing.
1. Remove the screw.
2. Slide the air duct upwards.
3. Release the retaining tabs on each side and remove the heater outlet floor duct.







11. Disconnect the electrical connector - De-ice sensor.







12. Remove the heater core cover and core.
- Release the four retaining clips and remove the heater core cover and core.







13. Remove the De-ice sensor.
- Pull out the cable.
- Unclip the De-ice sensor.

INSTALLATION
1. To instal], reverse the removal procedure.
2. Refill the cooling system. For additional information, refer to Cooling System.
3. Check heating and air conditioning system for normal operation.