Thermostat: Service and Repair

Removal

1. Partially drain the cooling system.
2. Remove the upper radiator hose.





3. Position the hose clamp back and remove the water bypass hose from the water hose connection.





4. Remove the two bolts from the water hose connection.





5. CAUTION: Do not pry on the water hose connection to remove.

Remove the (A) water hose connection, the (B) water thermostat and the (C) thermostat gasket.
- Clean and inspect the mating surfaces.

Installation





1. Note: Coat the new thermostat gasket with Gasket and Trim Adhesive F3AZ-19B508-AA or equivalent prior to installation.

Install the new thermostat gasket.





2. Install the water thermostat into the water hose connection.
- Align the notch in the thermostat with the notch in the water hose connection.





3. Install the water hose connection.





4. Install the water bypass tube.
1 Position the water bypass tube and hose clamps.
2 Tighten the hose clamps.
5. Install the upper radiator hose.
6. Fill the cooling system.