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Home >> Ford >> 2000 >> Econoline E150, Van Passenger, 5.4 L >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differentials - Rear - 8.8" & 9.75" Ring Gear - "E" Series Vans >> Removal & Installation >> Pinion Flange & Oil Seal >> Installation

Pinion Flange & Oil Seal: Installation

NOTE: If oil seal becomes cocked during installation, remove seal and install NEW oil seal.
  1. Ensure pinion shaft splines are free of burrs. Remove burrs with fine crocus cloth if necessary. Lubricate area between oil seal lip. Using Pinion Oil Seal Replacer (T83T-4676-A), install oil seal into axle housing.
  2. Align marks on companion flange and pinion. Apply a small amount of lubricant to companion flange splines. Install companion flange and NEW pinion nut. Hold companion flange, and gradually tighten nut while rotating pinion.
    3. NOTE: If desired preload is exceeded, a NEW collapsible spacer must be installed. Tighten nut to obtain proper preload.
  3. Check pinion bearing preload often, until correct preload is obtained. See DIFFERENTIAL SPECIFICATIONS  . DO NOT back off pinion nut to reduce preload. Connect rear end of drive shaft to pinion flange, aligning scribed marks.
  4. Apply locking compound to drive shaft bolt threads and tighten bolts to specification. See TORQUE SPECIFICATIONS  . Fill differential with proper lubricant until fluid level is about 1/4" below bottom of filler plug hole. See LUBRICATION  .
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