Navigator 2WD V8-5.4L (2007)
Fluid - Differential: Capacity Specifications
Differential Oil Capacity
Rear Axle .............................................................................................................................................................................................. 4.5 pints (2.13 liters)
NOTE: Your vehicles rear axle is filled with a synthetic rear axle lubricant and is considered lubricated for life. These lubricants are not to be checked or
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.