Ford Workshop Service and Repair Manuals

Thermostat: Specifications

Thermostat Opening Temperature

Thermostat fully open (2.5L).............................................................................................................................................................................106°C (223°F)
Thermostat fully open (3.0L 4V)......................................................................................................................................................................98.9°C (210°F)

Thermostat starts to open (2.5L)..........................................................................................................................................................................90°C (194°F)
Thermostat starts to open (3.0L 4V)................................................................................................................................................84°c-88°C (183°F-190°F)