Does the box you are looking at appear to have some tubing going to it? If so, you are probably at the fuel tank vent and recycle system box.
what is the Torque spec for rear axle hub nut on a 2002 ford explorer
No
35mm
A VENT HOSE
203 lbs
The 2000 Ford Explorer owners manual shows : Motorcraft SAE 80 W - 90 Premium Rear Axle Lubricant for the FRONT axle
That would be ( 3.73 )
203 ft/lbs for the Rear 184 ft/lbs for the Front
3.55 look for metal plate on one of the sides of the differential
Under the axle tube directly below the leaf springs ( factory jack used with Explorer )
According to the owners manual - Motorcraft SAE 80 W - 90 Premium Rear Axle Lubricant in the front ( and rear ) differentials on a 2000 Ford Explorer
how to remove rear axle from 1988 f250 ford