Section 05-00: Axle and Driveshaft, Service | 1996 F-150, F-250, F-350 4x2 and 4x4, F-Super Duty and Bronco Workshop Manual |
The ability of any rear axle (4001) to deliver quiet, trouble-free operation over a period of years is largely dependent upon the use of good quality gear lubricants. To make sure gears and bearings will last as long as possible, use only specified hypoid gear lubricants.
Dana and Ford rear axles use Premium Rear Axle Lubricant XY-80W90-QL or -KL or equivalent meeting Ford specification WSP-M2C197-A.
It is recommended that the lube be replaced in all rear axles at 100,000 mile intervals, or if the rear axle has been submerged in water, or more often under certain extreme conditions. High Performance Synthetic 7W-140 Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A is available for repairs and refills in situations that fall into the severe or extreme use categories. Refer to maintenance schedules in Section 00-03.
Dana front drive axles have different lubrication requirements for different applications.