Heater Core: Service and Repair

HEATER CORE REPLACEMENT

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Drain the cooling system. Refer to Draining and Filling Cooling System.
3. Raise and support the vehicle.
4. Drain the tube from the heater case (4).
5. Remove the heater hoses from the heater core (1).
6. Lower the vehicle.
7. Remove the console, if equipped.
8. Remove the right side closeout/insulator panel.
9. Remove the left side closeout/insulator panel.
10. Remove the steering column opening filler.
11. Remove the floor air outlet duct.
12. Remove the heater core cover (4).
13. Remove the heater core mounting clamps (2).
14. Remove the heater core (1).

INSTALLATION PROCEDURE
1. Install the heater core (1).

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the heater core mounting clamps (2).

Tighten
Tighten the screws to 1 N.m (9 lb in).

3. Install the heater core cover.

Tighten
Tighten the screws to 1 N.m (9 lb in).

4. Install the floor air outlet.

Tighten
Tighten the screws to 1 N.m (9 lb in).

5. Install the right side closeout/insulator panel.
6. Install the left side closeout/insulator panel.
7. Install the console.
8. Install the steering column opening filler.
9. Raise and support the vehicle.
10. Install the heater hoses to the heater core (1).
11. Drain the tube to the heater case (4).
12. Lower the vehicle.
13. Connect the negative battery cable.

Tighten
Tighten the bolt to 16 N.m (12 lb ft).

14. Fill the cooling system. Refer to Draining and Filling Cooling System.
15. Inspect the cooling system for leaks.