Last Modified: 11-29-2007 1.6 G
Service Category: Engine/Hybrid System Section: Cooling
Model Year: 2008 Model: Sequoia Doc ID: RM000000V1K01GX
Title: 3UR-FE COOLING: THERMOSTAT: INSPECTION (2008 Sequoia)

INSPECTION

1. INSPECT INLET WATER SUB-ASSEMBLY WITH THERMOSTAT



HINT:

The valve opening temperature is stamped on the water inlet with thermostat.


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

(b) Check the valve opening temperature.

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 water inlet with thermostat.


(c) Check the valve lift.

Standard valve lift:

10 mm (0.394 in.) or higher at 95°C (203°F)

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

(d) Check that the valve is fully closed when the water inlet with thermostat is at a low temperature (below 77°C (171°F)).

If it is not fully closed, replace the water inlet with thermostat.