There is a spring loaded tensioner that is supposed to keep the serpentine tight. If it is loose, it needs to be replaced.
You cannot adjust the tension on this, it has a spring inside of it. If it is weak, it must be replaced.
They are mostly identical, yes.
What is the fuel tank capacity of a 1997 Mercury Villager van?
According to the 1997 Mercury Villager Owner Guide : ( 20.0 US. gallons )
what is the spark plugs firing order for a mercury villager 1997
yes
The Villager does not use fusible links that I am aware.
There is no such device on a '97 villager.
In the fuel tank.
On the radiator.
You need to ask a complete question.
Yes , the 3.0 liter V6 engine in a 1997 Mercury Villager is an interference engine ( according to the Gates website , they make timing belts etc . )