It should be on the driver's side of the dash near the bottom. It might have a cover over it.
1.3 to 1.4 mm ( .052 to .056 inch )
It is located on the steering column right behind the diagnostic plug. I couldn't get mine off, although it doesen't look like it should be too difficult especially if you are very limber and small in stature.
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.
is 54 gap for a spark plug mercury mountanier 2002 4.6
It is right under the dashboard under the steering wheel.
On a 1997 to 2001 Mercury Mountaineer : Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment . It shows what type of spark plug to use and the spark plug gap
Oil pan.
blown head or cracked block
Not from the factory , only if someone has added a drain plug in the transmission pan
When facing the front of the Mercury Mountaineer, the drain plug is on the lower left of the radiator. Place a bucket under the drain plug spigot before loosening to catch the coolant. To empty the radiator, turn the drain plug three-quarters of a turn. Tighten the drain plug before re-filling with coolant.
On a 2008 Mercury Mountaineer, the oil drain plug is located on the bottom of the oil pan, towards the rear of the vehicle. It is typically a hex or square-shaped plug that can be accessed from underneath the vehicle. Make sure to use the appropriate tools to avoid stripping the plug when removing it.