QX56 RWD V8-5.6L (VK56DE) (2006)
Housing Assembly HVAC: Service and Repair
Front
FRONT HEATER AND COOLING UNIT ASSEMBLY
Components
Removal and Installation
Removal
1. Move the two front seats to the rear most position on the seat track.
2. Disconnect the battery negative terminal and battery positive terminal.
3. Discharge the refrigerant from the A/C system.
4. Drain the coolant from the engine cooling system. Refer to "DRAINING ENGINE COOLANT".
5. Disconnect the front heater hoses from the front heater core.
6. Disconnect the high/low pressure pipes from the front expansion valve.