Expedition 4WD V8-4.6L SOHC VIN W (1999)
Fluid - Differential: Fluid Type Specifications
Front Axle ......................................................................................................................................................................................................... SAE 75W-90
Rear Axle ....................................................................................................................................................................................... SAE 75W-140 Synthetic
Note:
The rear axle is filled with a synthetic axle lubricant and is considered lubricated for life. These lubricants do not need to be checked nor changed unless
a leak is suspected, service is required, or the axle has been submerged in water. The axle lubricant should be changed any time the axle has been
submerged in water. Add 4 ounces of friction modifier additive C8AZ-19B546-A, Ford specification EST-M2C118A for complete refill of Traction-Lok
axles.
