4-16 COOLING SYSTEM
Remove the oil cooler (see Oil Cooler Removal in the En-
gine Lubrication System chapter)
Loosen the water hose clamp screw [A].
Disconnect the water hose [B].
Thermostat Housing Cover Bolts [C]
Thermostat Housing Cover [D]
Install the thermostat [A] in the housing so that the air
bleeder hole [B] is on top.
Replace the O-ring [A] with a new one.
Apply liquid gasket to any three positions of the new O
-ring to prevent it from coming off.
Sealant - Liquid Gasket, TB1211F: 92104-0004
Install a new O-ring into the thermostat housing cover [B].
Torque - Thermostat Housing Cover Bolts [C]: 5.9 N·m
(0.60 kgf·m, 52 in·lb)
Confirm that the thermostat is installed correctly.
Install the water hose and tighten the clamp (see Cable,
Wire, and Hose Routing section in the Appendix chapter).
Torque - Water Hose Clamp Screw: 3.0 N·m (0.31 kgf·m, 27
Install the removed parts (see appropriate chapters).
Remove the thermostat (see Thermostat Removal).
Inspect the thermostat valve [A] at room temperature.
If the valve is open, replace the thermostat with a new