Heater Core: Service and Repair

CORE-HEATER

REMOVAL

NOTE: LHD model shown in illustration. RHD models similar.




1. Remove the HVAC housing and place it on a workbench

NOTE: If the rubber flange around the heater core tubes is deformed or damaged, the flange must be replaced.

2. If equipped, remove the two screws (2 and 5) that secure the heater core (1) into the top of the HVAC housing (4).

NOTE: If the foam insulator around the heater core is deformed or damaged, the insulator must be replaced.

3. Disengage the four retaining tabs (3 and 6) that secure the heater core to the HVAC housing and carefully remove the heater core from the housing.

INSTALLATION






NOTE: Make sure that the foam insulator is properly positioned in the HVAC housing.

1. Carefully install the heater core (1) into the top of the HVAC housing (4).
2. Engage the four retaining tabs (3 and 6) that secure the heater core to the HVAC housing.
3. If equipped, install the two screws (2 and 5) that secure the heater core to the HVAC housing. Tighten the screws to 2 N.m (17 in. lbs.).

NOTE: If the heater core is being replaced, flush the cooling system.

4. Install the HVAC housing.