Heater Core: Service and Repair
Heater Core Removal and InstallationRemoval
1. Disconnect the negative battery cable.
2. Remove the instrument panel.
3. Recover the refrigerant.
4. Remove the heater/air distributor case assembly.
5. Remove the wiring harness and electrical connectors from the heater/air distributor case assembly.
6. Remove the screws that connect the heater core housing and the evaporator housing.
7. Separate the sponge from heater/air distributor case assembly.
8. Remove the heater core cover screws from the heater core housing.
9. Remove the heater core.
Installation
1. Install the heater core into the case.
2. Install the screws on the heater core housing.
Tighten: Tighten the heater core cover screws to 1.2 Nm (11 in. lbs.).
3. Install the sponge onto the heater/air distributor case assembly.
4. Install the screws that connect the heater core housing and the evaporator housing.
Tighten: Tighten the heater core housing-to-evaporator housing screws to 1.2 Nm (11 in. lbs.).
5. Connect the wiring harness and electrical connectors.
6. Install the heater/air distributor case assembly.
7. Install the instrument panel.
8. Fill the cooling system.
9. Evacuate and recharge the refrigerant.
10. Connect the negative battery cable.