Removal And Installation: Thermostat: Installation

1.
- 1.
  
  Install a new O-ring seal and lubricate it with clean engine coolant.
  Material
  
  : Motorcraft® Orange Antifreeze/Coolant Concentrated (U.S.) / VC-3-B (U.S.) (WSS-M97B44-D)
- 2.
  
  To install, reverse the removal procedure.

2.

Fill and bleed the cooling system. Refer to: Cooling System Draining and Vacuum Filling .