a. Remove the thermostat.
2007 ENGINE Cooling - Sequoia b. Remove the gasket from the thermostat.
- Fig. 15: Removing Nuts & Disconnect Water Inlet From Water Inlet Housing Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
1. INSPECT THERMOSTAT
The thermostat is numbered with the valve opening temperature.
2007 ENGINE Cooling - Sequoia
- Fig. 16: Identifying Temperature Mark On Thermostat Assembly Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Immerse the thermostat in water and gradually heat the water.
b. Check the valve opening temperature.
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