Operation CHARM: Car repair manuals for everyone.

Heater Core Replacement - Auxiliary

REMOVAL PROCEDURE




1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System. Service and Repair
2. Remove the body side front lower trim panel.
3. Remove the clamps from the auxiliary heater pipes.
4. Disconnect the auxiliary heater pipes from the auxiliary heater module.
5. Remove the screws and the band clamp from the right side of the heater core.
6. Remove the screw and the band clamp from the left side of the heater core.

IMPORTANT: Before removing the auxiliary heater module from the vehicle, be sure to place a protective cover on the floor in order to prevent coolant from leaking onto the carpet.

7. Remove the heater core from the heater core case.
8. Remove the seals from the heater core.

INSTALLATION PROCEDURE




1. Install the seals to the heater core.
2. Install the heater core into the heater core case.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the screw and the band clamp to the left side of the heater core.

Tighten
Tighten the screws and the band clamp to the left side of the heater core to 2 N.m (18 lb in).

4. Install the screws and the band clamp to the right side of the heater core.

Tighten
Tighten the screw and the band clamp to the right side of the heater core to 2 N.m (18 lb in).

5. Connect the auxiliary heater pipes from the auxiliary heater module.
6. Install the clamps to the auxiliary heater pipes.
7. Install the body side front lower trim panel.
8. Fill the system with engine coolant.
9. Inspect the system for leaks.