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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2829 (Rear Drive Axle/Differential - Ford 10.50-Inch Ring Gear -- F250-F350 Super Duty) >> In-Vehicle Repair >> Drive Pinion Flange and Drive Pinion Seal >> Removal

Drive Pinion Flange and Drive Pinion Seal: Removal

WARNING: This page is about a different car, the 2010 Ford Pickup and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: 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.
  1. Remove the axle shafts. For additional information, refer to WHEEL HUBS AND BEARINGS - FULL FLOATING AXLE - FORD .
  2. Remove the driveshaft. For additional information, refer to DRIVESHAFT .
  3. Install a Nm torque wrench on the pinion nut and record the rotational torque required to maintain rotation of the pinion through several revolutions.
    Fig 1: Rotating Pinion
    G06777004Courtesy of FORD MOTOR CO.
  4. Using the Drive Pinion Flange Holding Fixture to hold the pinion flange, remove the pinion nut.
    • Discard the pinion nut.
      Fig 2: Holding Pinion Flange Using Drive Pinion Flange Holding Fixture
      G06777005Courtesy of FORD MOTOR CO.
  5. Mark the pinion flange in relation to the drive pinion stem to make sure alignment is correct during installation.
    Fig 3: Aligning Index-Mark Of Pinion Flange With Drive Pinion Shaft
    G06777006Courtesy of FORD MOTOR CO.
  6. Using the 2 Jaw Puller, remove the pinion flange.
    Fig 4: Removing Pinion Flange Using Jaw Puller
    G06777007Courtesy of FORD MOTOR CO.
  7. Force up on the metal flange of the rear axle drive pinion seal. Install gripping pliers to the seal flange and strike with a hammer until the rear axle drive pinion seal is removed.
    Fig 5: Removing Drive Pinion Seal
    G06125068Courtesy of FORD MOTOR CO.
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