Thermostat: Service and Repair

THERMOSTAT (1ZZ-FE)

REPLACEMENT
1. REMOVE ENGINE UNDER COVER RH
2. DRAIN ENGINE COOLANT
3. REMOVE FAN AND GENERATOR V BELT
4. REMOVE GENERATOR ASSEMBLY





5. REMOVE WATER INLET
a. Remove the 2 nuts, then remove the water inlet.
6. REMOVE THERMOSTAT
7. INSTALL THERMOSTAT
a. Install a new gasket onto the thermostat.





b. Install the thermostat with the jiggle valve upward.

HINT: The jiggle valve may be set within 100 of either side of the prescribed position.

8. INSTALL WATER INLET
Torque: 11 Nm (112 kgf-cm, 8 ft. lbs.)
9. INSTALL GENERATOR ASSEMBLY
10. ADD ENGINE COOLANT
11. CHECK FOR ENGINE COOLANT LEAKAGE