System Specifications

POWER TRANSFER UNIT FLUID
Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant

Ford P/N XY-75W140-QL
Ford Specification WSL-M2C192-A

NOTE: The Power Transfer Unit is lubricated for life with synthetic lube. Lubricant levels are not to be checked or changed unless a leak is suspected or repair required. Replace Power Transfer Unit lubricant with specified synthetic lubricant anytime the unit is submerged in water. Never engage the 4X4 feature while on dry pavement.