QX56 V8-5.6L (VK56DE) (2004)
Heater Core Case: Service and Repair
Front Heater and Cooling Unit Assembly
HEATER & COOLING UNIT ASSEMBLY
Components
Removal and Installation
FRONT HEATER AND COOLING UNIT ASSEMBLY
Removal
1. Discharge the refrigerant from the A/C system. Refer to "Discharging Refrigerant".
2. Drain the coolant from the engine cooling system.
3. Remove the cowl top extension.
4. Remove the exhaust system.
5. Disconnect the front heater hoses from the front heater core.
6. Disconnect the high/low pressure pipes from the front expansion valve.
7. Move the two front seats to the rear most position on the seat track.