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Home >> Ford >> 2001 >> Mustang Base, 2D Convertible, Automatic >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> Differentials & Axle Shafts >> Removal & Installation >> Pinion Companion Flange & Oil Seal >> Installation

Pinion Companion Flange & Oil Seal: Installation

  1. Ensure all sealing surfaces are clean and free of burrs. Lubricate pinion oil seal lips with multipurpose lubricant. Using Seal Installer (T83T-4676-A), install pinion oil seal. If pinion oil seal becomes cocked during installation, install NEW oil seal.
  2. Check pinion shaft and companion flange splines for burrs. Coat companion flange splines with small amount of gear lubricant. Align scribed marks on companion flange and pinion shaft. Install companion flange onto pinion shaft. Coat washer side of NEW pinion nut with gear lubricant. Install pinion nut and washer.
    NOTE: Disregard alignment marks if installing a new pinion flange.
  3. CAUTION: Do not hammer or use power tools on companion flange.
  4. Using Companion Flange Holder (T78P-4851-A), hold companion flange and gradually tighten nut. Rotate pinion until correct preload is obtained. If original preload is less than specification, adjust preload to specification. See AXLE ASSEMBLY SPECIFICATIONS  . If original preload is greater than specification, adjust preload to original preload value.
  5. If desired preload is exceeded, install NEW collapsible spacer, and retighten pinion nut until proper preload is obtained. To complete installation, reverse removal procedure. Fill axle with gear lubricant. See LUBRICATION  .