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Home >> Ford >> 2000 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differentials - DANA 50, 60, 80 & Ford 10.50" - Excursion & "F" Series Super Duty >> Removal & Installation >> Pinion Flange & Seal >> Installation

Pinion Flange & Seal: Installation

  1. Lubricate seal lip with gear lubricant. Using Oil Seal Replacer (205-208), install pinion seal into axle housing. Install pinion flange onto pinion shaft.
  2. Install NEW pinion washer and nut. Using pinion flange holder, tighten pinion nut frequently checking pinion preload. Tighten nut to original pinion preload reading noted during removal procedure and then tighten nut and additional 5 INCH lbs. (5 N.m). To complete installation, reverse removal procedure.


  1. Lubricate seal lip with gear lubricant. Using Oil Seal Replacer (205-208), install pinion seal into axle housing. Install pinion flange onto pinion shaft.
  2. Install pinion washer and nut. Using pinion flange holder, tighten pinion nut to specification. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.


  1. Apply rear axle lubricant to new pinion seal. Using Pinion Seal Replacer (205-208), install rear axle drive pinion seal.
  2. Apply rear axle lubricant to pinion flange splines. Align pinion flange with drive pinion shaft. Using Companion Flange Replacer (205-233), install pinion flange.
  3. Using Flange Holder (205-012), to hold pinion flange while tightening pinion nut. Tighten pinion nut by rotating pinion occasionally to ensure cone and rollers are seating properly. Using INCH lbs. torque wrench, take frequent cone and roller bearing torque preload readings until original recorded preload reading is obtained. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.
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