On a 2002 Mercury Mountaineer :
( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
According to the Owner Guide
There is no transmission dip stick for a 2002 mercury mountaineer, fluid will need to be checked from under the vehicle. There is a fill plug on the transmission, remove the plug and fluid level should be up to the level of the plug hole. This is the only year mercury did this in the mountaineer.
Starting with the 2002 model , there is no automatic transmission fluid dipstick on the Mercury Mountaineer ( and the Ford Explorer , 4 door )
Down the tube that holds the trans dipstick.
I assume the 2002 Mercury Mountaineer would be the same as a 2002 Ford Explorer ( No , starting with the 2002 model there is no automatic transmission fluid level dipstick ) Ford has a way of checking from underneath the vehicle
Should be common to the brake light circuit
According to the 2002 Mercury Mountaineer Owner Guide :The washer fluid for the rear liftgate is supplied by the same reservoir as thewindshield ( located in the engine compartment )
If the ((ABS)) Light is on then it's a good thing indicating that the Antilock brakes sensor is in good condition. I too have a 2002 mountaineer
The 2004 Mercury Mountaineer does not have an automatic transmission fluid dipstick . I know that the 2002 and newer Ford Explorer four door versions do not have a dipstick for the automatic transmission fluid level .
where is the tire jack and jack handle located on a 2002 mercury mountaineer?????
where is the speed sensor on 2002 mercury mountaineer
How to take the door panel off a 2002 mercury mountaineer?
They have a sealed transmission you dont have to fill it. The fluid should be changed around 100,000 and it has to be done by a dealer.