Good luck with that fan motor. The blade is fused to the motor shaft an will most likely break when you try to separate them thus, the new motor they sell you will be useless.
How do you change the thermostat in 1999 Mercury Villager
It is the intake air temperature sensor , and it,s located in the air intake boot.
when should i change the timing belt on a mercury villager
To change the thermostat on a 2002 Mercury villager, pull the hose away. If the bolts do not come off, wiggle the fitting to expose the thermostat to be able to change it.
Intake Air Temperature Sensor. Located in the plastic air intake tube beside the battery.
If it is a 3.0 then the answer is yes. Change it at 105,000 miles.
I assume it is the same as the ( 1996 ) Mercury Villager : With engine oil filter change : ( 4.2 US. quarts of 5W-30 engine oil )
No, you do not have to remove the engine.
There is no way to change gear ratios.
1999 - 2002.
Recommended interval is 105,000 miles..
According to the 1999 Mercury Villager scheduled maintenance guide : ( 105,000 miles ) It doesn't hurt to do it sooner since the engine is an interference engine