Heater Core Case: Service and Repair

Heater and Cooling Unit

REMOVAL
1. Disconnect the ground cable from the battery.
2. Using the refrigerant recovery system, discharge refrigerant.
3. Drain LLC from the radiator.
4. Remove the bolts securing expansion valve and pipe in engine compartment. Release the heater hose clamps in engine compartment to disconnect the hoses.






5. Remove the instrument panel.
6. Remove the support beam.
7. Remove the blower motor unit assembly.
8. Disconnect the servo motor connector.
9. Loosen the bolt and nuts and remove the heater and cooling unit.







INSTALLATION
1. Install in the reverse order of removal.
2. Charge refrigerant.

Tightening torque:

HEATER COOLING UNIT

- Auto A/C model

Tightening torque: N.m (kgf.m, ft.lb)

T: 7.5 (0.76, 5.5)

- Manual A/C model

Tightening torque: N.m (kgf.m, ft.lb)

T: 7.5 (0.76, 5.5)