2UZ-FE COOLING: THERMOSTAT: INSPECTION; 2007 MY LX470 [08/2006

Last Modified: 7-3-2017	6.8:8.0.40	Doc ID: RM000000V2A00CX
Model Year Start: 2007	Model: LX470	Prod Date Range: [08/2006 - ]
Title: 2UZ-FE COOLING: THERMOSTAT: INSPECTION; 2007 MY LX470 [08/2006 - ]

INSPECTION

1. INSPECT THERMOSTAT

HINT:

The valve opening temperature is inscribed on the thermostat.

(a) Immerse the thermostat in water and then gradually heat the water.

(b) Check the valve opening temperature of the thermostat.

Standard valve opening temperature:

80 to 84°C (176 to 183°F)

If the valve opening temperature is not within the specified range, replace the thermostat.

Standard valve lift:

10 mm (0.39 in.) or more at 95°C (203°F)

If the valve lift is not as specified, replace the thermostat.

(d) Check that the valve is fully closed when the thermostat temperature is below 40°C (104°F).

If not fully closed, replace the thermostat.