QX56 AWD V8-5.6L (VK56DE) (2005)
Thermostat: Service and Repair
THERMOSTAT AND WATER PIPING
Removal and Installation
REMOVAL
Removal of Thermostat
1. Drain engine coolant from the radiator. Refer to "DRAINING ENGINE COOLANT".
CAUTION: Perform when engine is cold.
2. Remove the air duct and resonator assembly.
3. Remove the engine room cover using power tools.
4. Disconnect the water suction hose from the water inlet.
5. Remove the water inlet and thermostat.
Removal of Thermostat Housing, Water Outlet and Heater Pipe
1. Remove the intake manifold.
2. Remove the thermostat housing, water outlet and heater pipe.
Removal of Water Cut Valve
1. Drain the engine coolant from the radiator. Refer to "DRAINING ENGINE COOLANT".
CAUTION: Perform when the engine is cold.
2. Remove the air duct and resonator assembly.
3. Remove the engine room cover using power tool.
4. Disconnect the heater hose (heater core side).