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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Rear Drive Axle, Differential - Ford 8.8-Inch Ring Gear) >> In-Vehicle Servicing >> Drive Pinion Flange & Drive Pinion Seal >> Removal

Drive Pinion Flange & Drive Pinion Seal: Removal

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING: If equipped with fire suppression system, refer to FIRE SUPPRESSION SYSTEM article for Important Safety Warnings. Failure to follow this instruction may result in serious personal injury.
    CAUTION: The color on the rear face of the drive pinion nut is critical to this repair. Use the same color new drive pinion nut for installation. If a new collapsible spacer must be installed for pinion bearing preload reduction, install the nut supplied with the new spacer kit or damage to the component may occur.
    NOTE: Remove the rear brake discs to prevent brake drag during drive pinion bearing preload adjustment.
    NOTE: When removing the rear brake caliper in this procedure, it is not necessary to disconnect the hydraulic lines.
  1. Remove the rear brake discs and rear brake caliper. For additional information, refer to REAR DISC BRAKE article.
    • Support the rear brake caliper with mechanic's wire.
  2. Remove the driveshaft. For additional information, refer to DRIVESHAFT article.
  3. Install a N.m (lb-in) torque wrench on the nut and record the torque necessary to maintain rotation of the pinion through several revolutions.
    4. Fig 1: Checking Pinion Rotating Torque
    GF0013947Courtesy of FORD MOTOR CO.
  4. Use the special tool to hold the pinion flange while removing the nut.
    • Discard the nut.
    5. Fig 2: Pinion Flange Nut
    GF0013948Courtesy of FORD MOTOR CO.
  5. Index-mark the pinion flange and the drive pinion stem for correct alignment during installation.
    6. Fig 3: Marking Pinion Flange And Drive Pinion Stem
    GF0013949Courtesy of FORD MOTOR CO.
  6. Using the special tool, remove the pinion flange.
    7. Fig 4: Removing Pinion Flange Using Special Tool
    G03878593Courtesy of FORD MOTOR CO.
  7. Force up on the metal flange of the drive pinion seal. Install gripping pliers and strike with a hammer until the drive pinion seal is removed.
    • Discard the seal.
    8. Fig 5: Removing Drive Pinion Oil Seal And Slinger
    G03878521Courtesy of FORD MOTOR CO.
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