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Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 869 (Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear High Torque) >> In-Vehicle Servicing >> 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 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the new rear axle drive pinion seal with lubricant.
    2. 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 lubricant.
    4. Fig 2: Placing Index Marks On Pinion Flange
    GF0000818Courtesy of FORD MOTOR CO.
    NOTE: Disregard the scribe marks if a new pinion flange is being installed.
  4. Align the pinion flange with the drive pinion shaft.
    5. Fig 3: Installing Pinion Flange Using Special Tool (205-002)
    GF0003074Courtesy of FORD MOTOR CO.
  5. Install the pinion flange using the special tool.
    6. Fig 4: Identifying Pinion Nut
    GF0000819Courtesy of FORD MOTOR CO.
    CAUTION: Install a new pinion nut with the same color as the original if not replacing the collapsible spacer. If a new collapsible spacer is installed, install the nut in the kit or damage to the component may occur.
  6. Position the new pinion nut.
    DRIVE PINION NUT

    Part Number Color Description Application
    389546-S100 Orange Axles built before 7/16/07
    4320 Purple Axles built after 7/16/07
    4C121 Purple Kit with spacer for all 8.8 in axles
    7. Fig 5: Holding Pinion Flange Using Special Tool
    G03878592Courtesy of FORD MOTOR CO.
    CAUTION: Under no circumstances is the pinion nut to be backed off to reduce preload. If reduced preload is required, a new collapsible spacer and pinion nut kit must be installed or damage to the component may occur.
    NOTE: Remove the special tool while taking preload readings with the N.m (lb-in) torque wrench.
  7. Using the special tool hold the pinion flange, tighten the pinion nut.
    • Rotate the pinion occasionally to make sure the cone and roller bearings are seating correctly.
    • Install a N.m (lb-in) torque wrench on the pinion nut.
    • Rotating the pinion through several revolutions, take frequent cone and roller bearing torque preload readings until the original recorded preload reading is obtained.
    • If the original recorded preload is lower than specifications, tighten to the appropriate specifications for used bearings. If the preload is higher than specification, tighten the nut to the original reading as recorded. For additional information, refer to SPECIFICATIONS .
    8. Fig 6: Identifying Index Marks On Pinion/Driveshaft Flanges
    GF0000845Courtesy of FORD MOTOR CO.
  8. Position the rear driveshaft and align the marks on the pinion flange.
    9. Fig 7: Locating Driveshaft Flange Bolts
    GF0000834Courtesy of FORD MOTOR CO.
    NOTE: 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 4 bolts.
    • Tighten to 112 Nm (83 lb-ft).
    10. Fig 8: Locating Rear Brake Drum
    GF0009755Courtesy of FORD MOTOR CO.
  10. Install the rear brake drums. For additional information, refer to DRUM BRAKE .
  11. Install the wheel and tire. For additional information, refer to WHEELS AND TIRES .
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