Section 05-03A: Axle, Front Drive, Dana Models 44 and 50
1996 F-150, F-250 4x4 and Bronco Workshop Manual
DISASSEMBLY AND ASSEMBLY

Bearing Cup and Drive Pinion Installation

SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Pinion Bearing Cup ReplacerT80T-4000-D
Pinion Bearing Cup ReplacerT80T-4000-F
Threaded DrawbarT75T-1176-A
Pinion Bearing Cup ReplacerT80T-4000-E
Pinion Bearing Cone ReplacerT53T-4621-B
Axle Bearing/Seal PlateT75L-1165-B

  1. Clean the bore. If installed, remove the differential drive pinion bearing cup (4616).

  1. NOTE: Be careful not to misalign the rear axle pinion bearing cup (4628).

    Place the oil baffle first and the required amount of shims in the bore of the differential pinion bearing (4630) and drive the rear axle pinion bearing cup in place with Inner Pinion Bearing Cup Replacer T80T-4000-D (Model 44 axle) or T80T-4000-F (Model 50 axles) and Thread Drawbar T75T-1176-A.

  1. Place the differential drive pinion bearing cup into the carrier and drive in place with Outer Pinion Bearing Cup Replacer T80T-4000-E. Install Threaded Drawbar T75T-1176-A and draw the cups into the bore.

  1. Lubricate the ends of outer differential pinion bearing rollers with Premium Long-Life Grease XG-1-C or -K or equivalent meeting Ford specification ESA-M1C75-B. Install the outer differential pinion bearing (4621) in place in outer differential drive pinion bearing cup.

  1. Install the inner differential pinion bearing and pinion position shim on the pinion. Drive the differential pinion bearing on the drive pinion shaft until fully seated using Pinion Bearing Cone Replacer T53T-4621-B and Axle Bearing/Seal Plate T75L-1165-B.