Thermostat Housing - 2.0L Zetec-E (Zetec): Removal

Drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
Disconnect the coolant hoses.

Fig 1: Disconnecting Coolant Hoses
Courtesy of FORD MOTOR CO.
Remove the thermostat housing bolts.

Fig 2: Removing Thermostat Housing Bolts
Courtesy of FORD MOTOR CO.
Remove the thermostat housing.
1. Disconnect the coolant hose.
2. Remove the thermostat housing.
  
  Fig 3: Removing Thermostat Housing
  Courtesy of FORD MOTOR CO.
Remove and discard the O - ring seal.

Fig 4: Removing And Discard O - Ring Seal
Courtesy of FORD MOTOR CO.