Installation Procedure

Fig 1: Thermostat Element And Service Tool Provided With Replacement Element

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

Replace the thermostat element using the service tool provided

Fig 2: Thermostat & Inlet Housing

Install a new O-ring on the inlet housing:
- 2.1. Install the thermostat and inlet housing into the cylinder block
- 2.2. Install the retaining bolts
  Tighten the thermostat housing-to-block to 30 Nm (22 lb ft).
- 2.3. Close the radiator drain plug and install the cylinder block drain plug
  Tighten the cylinder block drain plugs to 35 Nm (26 lb ft).
Install the lower radiator hose

Fig 3: Coolant Surge Tank Cap

IMPORTANT: The vehicle must be level when filling with coolant
Fill the cooling system to the FULL COLD range with coolant. Use a 50/50 mixture of Dex-Cool™ antifreeze and clean water
Run the engine until the upper radiator hose is hot, then add additional coolant, if needed, to bring the level to the FULL COLD range
Install the coolant surge tank cap and check for leaks