1. Disconnect the ground cable from the battery.
2. Using the refrigerant recovery system, discharge refrigerant. 
3. Drain the coolant from the radiator.
4. Remove the bolts securing expansion valve and pipe in engine compartment. Release the heater hose clamps in engine compartment to remove the hoses.
• LHD model
• RHD model
5. Remove the instrument panel.
6. Remove the blower motor unit assembly.
7. Disconnect all connectors for the actuator, thermo sensor, power transistor, and blower resistor.
8. Remove the bolt and nuts and remove the heater and cooling unit.
