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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear) >> In-Vehicle Repair >> Drive Pinion Flange and Drive Pinion Seal >> Installation

Drive Pinion Flange and Drive Pinion Seal: Installation

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. Coat the new rear axle drive pinion seal lips with grease.
    2. CAUTION: Installation without the correct tool can result in early seal failure.
    CAUTION: If the rear axle drive pinion seal becomes misaligned during installation, remove the seal and install a new seal.
    Fig 1: Using Special Tool (205-208) To Install Drive Pinion Seal
    G03878608Courtesy of FORD MOTOR CO.
  2. Using the special tool, install the rear axle drive pinion seal.
  3. Lubricate the pinion flange splines with rear axle lubricant.
    4. NOTE: Disregard the index marks if installing a new pinion flange.
    Fig 2: Identifying Mark On Pinion Flange And Drive Pinion Stem
    G04582903Courtesy of FORD MOTOR CO.
  4. Position the pinion flange.
  5. Using the special tool, install the pinion flange.
    Fig 3: Installing Pinion Flange
    G04582904Courtesy of FORD MOTOR CO.
  6. Position the new drive pinion nut.
    Fig 4: Installing Drive Pinion Nut
    G04582905Courtesy of FORD MOTOR CO.
    7. CAUTION: Do not, under any circumstance, loosen the nut to reduce preload. If it is necessary to reduce preload, install a new collapsible spacer and nut.
    CAUTION: Remove the special tool while taking preload readings with the Nm (lb-in) torque wrench.
  7. Use the special tool to hold the pinion flange while tightening the nut.
    • Rotate the pinion occasionally to make sure the differential pinion bearings seat correctly. Take frequent differential pinion bearing preload readings by rotating the pinion with a Nm (lb-in) torque wrench.
    • If the preload recorded prior to disassembly is lower than the specification for used bearings, tighten the nut to specification. If the preload recorded prior to disassembly is higher than the specification for used bearings, tighten the nut to the original reading as recorded.
    • Refer to TORQUE SPECIFICATIONS  for used pinion bearings.
      Fig 5: Tightening Pinion Flange Nut
      G04582906Courtesy of FORD MOTOR CO.
  8. Align the index marks.
    Fig 6: Aligning Index Marks
    G04582907Courtesy of FORD MOTOR CO.
    9. CAUTION: The driveshaft centering socket yoke fits tightly on the rear axle pinion flange pilot. To make sure that the yoke seats squarely on the flange, tighten the bolts evenly in a cross pattern.
  9. Install the driveshaft.
    • Tighten to 112 Nm (83 lb-ft).
      Fig 7: Identifying Driveshaft Flange Bolts
      G03878515Courtesy of FORD MOTOR CO.
    10. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
  10. Install the rear brake discs and rear disc brake calipers. For additional information, refer to REAR DISC BRAKE .
  11. Reactivate the air suspension system by turning on the switch.
    Fig 8: Locating Air Suspension Service Switch
    G04582909Courtesy of FORD MOTOR CO.
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