Heater Core: Service and Repair
HEATER CORERemoval and Installation
NOTE: If a heater core leak is suspected, the heater core must be leak tested before the heater core is removed. See HEATER CORE PRESSURE TEST.
1. Drain the engine coolant. See COOLING SYSTEM DRAINING, FILLING AND BLEEDING, for 2.3L engine or see COOLING SYSTEM DRAINING, FILLING AND BLEEDING, for 3.0L (4V) engine.
2. Disconnect the heater hoses from the heater core.
3. Remove the instrument panel.
4. Remove the heater blending door levers.
1. Remove the screw for heater blending door.
2. Remove the levers for the blending door.
5. Remove the heater core.
1. Remove the three screws.
2. Remove the cover for the heater core and pull the heater core out of the housing.
NOTE: Before installing the temperature control cable, make sure the blend door, cable and temperature switch are correctly positioned.
6. To install, reverse the removal procedure.