Thermostat: Service and Repair

THERMOSTAT

COMPONENTS:

REMOVAL

HINT: The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included.

1. DRAIN ENGINE COOLANT
2. REMOVE RADIATOR HOSE OUTLET
3. REMOVE WATER INLET PIPE
a. Remove the bolt and inlet pipe.
4. REMOVE WATER INLET
a. Remove the 3 bolts and water inlet.
5. REMOVE THERMOSTAT

INSTALLATION

1. INSTALL THERMOSTAT
a. Install a new gasket to the thermostat.
b. Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat into the water inlet housing.

HINT: The jiggle valve may be set within 15° of either side of the prescribed position.

2. INSTALL WATER INLET
Torque: 8.0 Nm (82 kgf-cm, 71 inch lbs.)
3. INSTALL WATER INLET PIPE
a. Install a new O-ring to the inlet pipe.
b. Apply soapy water to the O-ring.
c. Connect the inlet pope to the water inlet.
d. Install the bolt holding the inlet pipe to the cylinder head.
Torque: 20 Nm (204 kgf-cm, 15 ft. lbs.)
4. ADD ENGINE COOLANT
5. CHECK ENGINE COOLANT LEAKAGE