Section 05-02A: Wheel Hubs and Bearings, Rear, Ford Full-Floating Axle
1997 F-250 Heavy Duty and F-350 Workshop Manual
DISASSEMBLY AND ASSEMBLY

Hub, Full-Floating Axle

SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Bearing Cup ReplacerT75T-1225-A
Driver HandleT80T-4000-W
Hub Inner Bearing Cup ReplacerT85T-1225-BH
Hub Seal ReplacerT93T-1175-AR

Disassembly

  1. Install rear hub (1109) in soft-jawed vise.

  1.  CAUTION: Care must be taken not to damage hub seal bore with seal removal tool.

    NOTE: The outer retaining ring can be dislodged during this procedure. If so, remove outer retaining ring and inner seal sleeve, and proceed to remove seal.

    Using a thin-bladed screwdriver, pry up seal from bottom of bore. Then use larger blade to finish removal.

  1. Remove rear wheel bearing oil slinger.

  1. Removerear wheel bearing inner cone and roller (1244).

  1.  CAUTION: Make sure rear hub is repositioned securely in vise.

    Reposition the rear hub in the vise and remove the rear wheel bearing inner cup with a brass drift.

  1. Remove the hub outer bearing cup with a brass drift.

  1. After the bearing cups have been removed, thoroughly clean hub bearing cavity and seal bore with cleaning solvent and dry.

Assembly

  1. Place the outer bearing cup in the rear hub.

  1.  CAUTION: Bearing Cup Replacer must be held straight during installation to make sure bearing cup seats properly.

    Position Bearing Cup Replacer T75T-1225-A and Driver Handle T80T-4000-W squarely into rear hub and strike handle until outer bearing cup is fully seated.

Outer Bearing Cup Installation

  1. Place the rear wheel bearing inner cup in the rear hub.

  1.  CAUTION: Bearing Cup Replacer must be held straight during installation to make sure bearing cup seats properly.

    Position Hub Inner Bearing Cup Replacer T85T-1225-BH and Driver Handle T80T-4000-W squarely into rear hub and strike handle until inner bearing cup is seated.

    Rear Wheel Bearing Inner Cup Installation

  1.  CAUTION: Make sure all sharp edges, nicks and burrs are removed. This step is important in order to avoid cutting new seal during installation.

    Thoroughly inspect hub seal bore. Clean hub bore before installing hub inner bearing.

  1. NOTE: Pack each bearing cone and roller assembly with a bearing packing tool using Premium Long-Life Grease XG-1-C or -K or equivalent meeting Ford specification ESA-M1C75-B.

    Place rear wheel bearing inner cone and roller in the cup.

  1.  CAUTION: Do not coat seal bore with grease.

    Lightly coat seal bore with clean motor oil.

  1.  CAUTION: Hub seal and oil slinger must be free of dirt or grease before installation.

    Position oil slinger on bearing cone with tabs pointing toward bearing.

  1. Install hub seal on Hub Seal Replacer T93T-1175-AR.

  1. Lightly coat hub seal outer diameter with clean motor oil.

  1.  CAUTION: Install new seal if seal is cocked during or after installation.

    NOTE: Make sure hub is located on a solid surface before attempting to install seal.

    Position installer tool with seal on hub.

  1. Insert tool with seal squarely into hub. Hold tool straight. Strike handle until hub seal is fully seated.

  1. Wipe seal and hub area as shown and inspect the seal inner diameter to make sure it is clean and that the seal is installed squarely in the bore. Apply a light coat of clean motor oil to the seal inner diameter before installing the hub assembly on the spindle.