THERMOSTATREMOVAL OF THERMOSTAT1. DRAIN ENGINE COOLANT (See page CO–5)

2. DISCONNECT WATER INLET HOSE

3. REMOVE WATER INLET FROM INLET HOUSINGRemove the two nuts and water inlet from the inlet housing.

4. REMOVE THERMOSTAT AND GASKET

INSPECTION OF THERMOSTATINSPECT THERMOSTAT

HINT: The thermostat is numbered with the valve openingtemperature.(a) Immerse the thermostat in water and gradually heat the

water.

(b) Check the valve opening temperature.Valve opening temperature:

80–84°C (176–183°F)

If the valve opening temperature is not as specified, replacethe thermostat.(c) Check the valve lift.Valve lift:

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

If the valve lift is less than specification, replace the thermo-stat.

INSTALLATION OF THERMOSTAT1. PLACE THERMOSTAT IN WATER PUMP

(a) Install a new gasket to the thermostat.(b) Align the jiggle valve of the thermostat with the

perpendicular as shown, and insert the thermostat in thewater inlet housing.

2. INSTALL WATER INLETInstall the water inlet to the inlet housing with the two nuts.Torque: 18 N ⋅m (185 kgf ⋅cm, 13 ft ⋅lbf)

3. CONNECT WATER INLET HOSE

4. REFILL WITH ENGINE COOLANT (See page CO–6)

5. START ENGINE AND CHECK FOR LEAKS

–COOLING SYSTEM ThermostatCO–11