Remove the air cleaner outlet tube.
Drain the cooling system.
Disconnect and position the lower radiator hose out of the way.
Remove the bolts and the thermostat housing.
Remove the thermostat and the O-ring.
To install: NOTE
Clean all the sealing surfaces and inspect the O-ring seals thoroughly.
Replace the thermostat and the O-ring.
Install the bolts and the thermostat housing.
Connect the lower radiator hose.