Inside the transmission. Pan must be removed to access the filter.
In a 1997 Mercury Mountaineer : ( 4R70W )
If you have a 1997 to 1998 Mercury Mountaineer or Ford Explorer with a V8 engine, you will have a 4R70W transmission.
The first model year for the Mercury Mountaineer SUV was ( 1997 )
I believe that is a 4R70W
According to the 1997 Mercury Mountaineer Owner Guide : The 5.0 liter V8 engine takes the ( Motorcraft FL-1A ) engine oil filter
According to the 1997 Mercury Mountaineer owners manual : Your 4R70W automatic transmission capacity is ( 13.9 quarts ) * that of couse would be for the transmission , torque converter , lines , transmission cooler , etcetera *
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 )
In a 1997 Mercury Mountaineer : r134a
There is no Cable it is a speed sensor on the transmission
Motorcraft MERCON automatic transmission fluid ( 2.64 pints / 1.25 liters ) is used in the transfer case of a 1997 Mercury Mountaineer
Your 1997 Mercury Mountaineer came from the factory with ( Motorcraft MERCON automatic transmission fluid ) in your 4R70W automatic transmission ( the type that you are supposed to use should be engraved in your automatic transmission fluid dipstick just to confirm )
According to the 1997 Mercury Mountaineer owners manual : ( 13.9 quarts / 13.2 liters ) for the 4R70W automatic transmission ( rear wheel drive and all wheel drive ) ** that would be for the entire system , transmission , converter , lines , etcetera **