Installation

1. Replace the thermostat element using the service tool provided.

IMPORTANT: Make sure the element's retaining tangs are properly seated in the two legs and the element piston is correctly positioned in the water inlet housing.





2. Install a new O-ring on the inlet housing:
a. Install the thermostat and inlet housing into the cylinder block.
b. Install the retaining bolts.
Torque: 30 Nm (22 ft. lbs.)
c. Close radiator drain plug and install cylinder block drain plug.
Cylinder block drain plug:
Torque: 35 Nm (25 ft. lbs.)
3. Install the lower radiator hose.

IMPORTANT: The vehicle must be level when filling with coolant.





4. Fill the cooling system to the FULL COLD range with coolant. Use a 50/50 mixture of Dex-Cool antifreeze and clean water.
5. Run engine until upper radiator hose is hot, then add additional coolant, if needed, to bring the level to the FULL COLD range.
6. Install coolant recovery reservoir cap and check for leaks.