Home Auto Repair 2001 F-Super Duty 250-550 Rear Drive Axle and Differential DESCRIPTION AND OPERATION

2001 F-Super Duty 250-550 Rear Drive Axle and Differential DESCRIPTION AND OPERATION

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Download NOTE: Unless noted, the procedures in this section apply to both the conventional differential and the Truetrac® differential, though most of the illustrations used in the procedures show the conventional differential. The Model S135 rear axle features the following: a hypoid design differential ring gear and pinion a two-bearing overhung pinion mounting full-floating axle shafts a steel differential housing a front mounted removable one-piece carrier housing a conventional differential assembly or a Truetrac® limited slip differential assembly The trademark shows the company logo, and identifies the location of the manufacturing facility. CAUTION: Never mate a differential ring gear and pinion together that does not have the same matched set numbers. Always install a new matched set if discarding either the differential ring gear or the pinion. A corresponding number marked on the differential ring gear and pinion identifies them as a matched set. The manufacturer’s date identifies the gear set’s date of fabrication. The tooth combination identifies the number of teeth on the pinion and the number of teeth on the differential ring gear.