Thermostat: Service and Repair

REMOVAL
1. Drain cooling system to the thermostat level or below.

Thermostat/Engine Outlet Connector-DOHC:

2. Remove Coolant Recovery System (CRS) hose and thermostat/engine outlet connector bolts.
3. Remove thermostat an O-ring assembly, and clean sealing surfaces.

INSTALLATION
1. Place the new thermostat assembly into the thermostat housing/outlet connector. Align vent with notch in cylinder head.
2. Install thermostat housing/outlet connector onto cylinder head and tighten bolts to 12.5 Nm (110 inch lbs.). Connect the Coolant Recovery System (CRS) hose.
3. Refill cooling system (see Refilling System).