You need a special wrench from your auto parts store.Slide the wrenchup into the fuel line on either side of the filter.You need to turn the wrench and push toward the filter on either side. The wrench pushes back mini clamps that grab the flange on each filter end.You do not need the wrench to replace the filter.
take it off
In the car Duhhh..
On a 2001 Mercury Mountaineer : The fuel filter is under the vehicle , below the drivers door , mounted on the frame rail
The cabin air filter on a Mercury Mountaineer is located on the passenger side of the vehicle. The unit is behind the glove box and can be replaced by removing the glove box.
There isn't one.
Find the filter which is under the car, There are special tools required which are cheap at the parts store. They should show you how to use them/
On a 2001 Mercury Mountaineer : Underneath the Mountaineer , below the drivers door , mounted on the frame rail
Its inside the gas tank. connected to the bottom of the fuel pump.
In the front of the engine compartment , on the passenger side , inside the engine air filter housing
It has a vacuum leak somewhere.
it doesn't have one
go to any auto parts store wheir buy you filter just ask them and they tell you wheir it is at.