System Specifications

Differential Fluid Type

REAR AXLE

Motorcraft SAE 80W-90 Premium Rear Axle Lubricant
Ford P/N XY-80W90-QL(US) / CXY-80W90-1L (Canada)
Ford Specification WSP-M2C197-A

NOTE: Vehicles exposed for prolonged periods to temperatures less than 40 Celsius (-40 Fahrenheit) should change out the rear axle fluid to Motorcraft SAE 75W-140 High Performance Rear Axle Lubricant, Ford part number XY-75W140-QL meeting Ford specification WSL-M2C192-A.