Cougar V6-153 2.5L DOHC VIN L SFI (2001)
Thermostat: Specifications
Thermostat Valve Lift
5.8 mm (0.2 in) or more off the valve seat
Thermostat Begins to Open
2.0L
86-90 C (187-194 F)
2.5L
84-88 C (183-190 F)
Thermostat Fully Open
2.0L
102 C (216 F)
2.5L
99 C (210 F)