On a 1997 Mercury Mountaineer :
I assume the fuel filter would be in the same location as a 1997 Ford Explorer :
( underneath the Mountaineer , below the drivers door , mounted on the frame rail )
Remove the gas cap, then look for a Schrader valve on the fuel rail. If it has one release the pressure there. If it has none, then wrap a rag around the fuel filter coupling and prepare for a spray of fuel when you disconnect the fuel line from the fuel filter.
On a 2001 Mercury Mountaineer : The fuel filter is under the vehicle , below the drivers door , mounted on the frame rail
The electric fuel pump is inside the fuel tank
5 quarts WITH FILTER CHANGE
On a 2001 Mercury Mountaineer : Underneath the Mountaineer , below the drivers door , mounted on the frame rail
take it off
It has a vacuum leak somewhere.
how to change fuel filter on a97 grand am
The fuel filter is inside the fuel tank, so you have to drop the tank to get to it.
To the rear of the fuel tank.
By the fuel tank
On a 1997 Mercury Mountaineer : The fuel pump shut off switch ( inertia switch ) is in the front passenger footwell , by ( or behind ) the kick panel