Mustang V8-5.4L SC (2008)
Fluid - Differential: Fluid Type Specifications
Differential Fluid Type
Type .............................................................................................................................. Motorcraft SAE 75W-140 High Performance Rear Axle Lubricant
Rear axle lubricants do not need to be checked or changed unless a leak is suspected, service is required or the axle assembly has been submerged in
water. The axle lubricant shouls be changed anytime the rear axle has been submerged in water, using SAE 75W-140 High Performance rear axle lube,
meeting ford specification WSP-M2C102-A.