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Axle Bearing & Seal: Installation

  1. Lubricate bearing with axle lubricant and install bearing using Wheel Bearing Replacer (T78P-1225-A). Lubricate lips of seal with multipurpose grease. Install seal with Seal Replacer (T78P-1177-A).
  2. On all models with 8.8" ring gear, lubricate bearing with axle lubricant and install bearing using Wheel Bearing Replacer (T83T-1225-B). Lubricate lips of seal with multipurpose grease. Install seal with Seal Replacer (T83T-1175-A).
  3. Press bearing into bore using Puller (T81P-1104-C), Adapters (T81P-1104-B or D81T-1104-A), Step Plate (D80L-630-1), and Rear Axle Bearing Replacer (T80T-4000-X). Ensure that bearing is not cocked.
  4. Using Rear Oil Seal Installer (T80T-4000-Y) and Handle (T80T-4000-X), drive oil seal into bore. Lubricate lips of seal with multipurpose, lithium base grease.
  5. On all models, install axle shaft. Make sure that splined shaft engages side gears. Push flanged end of axle shaft toward center of axle and install "C" clip. Pull axle shaft outward until "C" clips locks into side gear.
  6. Install pinion shaft, making sure that hole in shaft is lined up with hole in case. Ensure that pinion thrust washers are in position. Ensure that threads in case and lock screw are free of dirt and oil.
  7. Install new lock bolt (lock pin). Tighten lock bolt to 20-25 ft. lbs. (27-34 N.m). Add RTV or silicone sealer to cover plate and install. Reverse removal procedure to complete installation.
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