Remove the 10 bolts that secure the differential cover, pry the cover off, the fluid will drain out, clean the old gasket sealant off of the cover & housing, apply a thin bead of RTV to the diff cover & bolt it back into place, use a criss-cross pattern to tighten the bolts back up, fill the diff through the fill hole on the diff cover, will take aprox 1.5 quarts, stop filling when fluid leaks out of the fill hole, replace fill plug.
What is the fluid capacity front differential 2004
75w140 synthetic
My 04 takes a 75w90 synthetic for the rear and 80w90 for the front.
According to the owner's manual , a 2004 Ford Explorer's liftgate washer fluid is supplied by the reservoir tank for the front windshield - Helpfull
On a 2004 Ford Expedition , 4x4 : The front differential has a tube ( hose ) coming off the top of the differential ( the biggest part of the case where the gears are )
The 2004 Ford Explorer has 55 in. of front hip room.
The 2004 Ford Explorer has 39.9 in. of front head room.
The 2004 Ford Explorer has 42.4 in. of front leg room.
The 2004 Ford Explorer has 59.1 in. of front shoulder room.
The front track of the 2004 Ford Explorer is 5 ft. 0.9 in. (60.9 in.).
no
75W140 is the recommended axle fluid.