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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Rear Drive Axle/Differential - Ford 9.75-Inch Ring Gear -- F150) >> 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 2012 Ford Pickup. 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 or damage to the component may occur.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, REFER to JACKING & LIFTING .
  2. Remove the brake disc. For additional information, REFER to REAR DISC BRAKE .
  3. Index-mark the driveshaft flange and pinion flange for correct alignment during installation.
    Fig 1: Identifying Index-Mark On Driveshaft Flange And Pinion Flange
    G06166950Courtesy of FORD MOTOR CO.
  4. Remove and discard the 4 driveshaft flange bolts.
    Fig 2: Locating Driveshaft Flange Bolt
    G06166964Courtesy of FORD MOTOR CO.
  5. NOTE: The driveshaft centering socket yoke fits tightly on the pinion flange pilot. Never hammer on the driveshaft or any of its components to disconnect the driveshaft centering socket yoke from the pinion flange. Pry only in the area shown in illustration with a suitable tool to disconnect the driveshaft centering socket yoke from the pinion flange.
  6. Using a suitable tool as shown in illustration, disconnect the driveshaft centering socket yoke from the pinion flange.
    • Using mechanic's wire, position the driveshaft aside.
      Fig 3: Disconnecting Driveshaft Centering Socket Yoke From Pinion Flange
      G06125024Courtesy of FORD MOTOR CO.
  7. Using a Nm (lb-in) torque wrench on the pinion nut, record the torque required to maintain rotation of the pinion gear through several revolutions.
    Fig 4: Locating Pinion Nut
    G06166953Courtesy of FORD MOTOR CO.
  8. Using the Drive Pinion Flange Holding Fixture to hold the pinion flange, remove and discard the pinion nut.
    Fig 5: Removing Pinion Nut
    G06142591Courtesy of FORD MOTOR CO.
  9. Index-mark the pinion flange in relation to the drive pinion stem to make sure of correct alignment during installation.
    Fig 6: Identifying Index-Mark Pinion Flange In Relation To Drive Pinion Stem
    G06166955Courtesy of FORD MOTOR CO.
  10. Using the 2 Jaw Puller, remove the pinion flange.
    Fig 7: Removing Pinion Flange Using Jaw Puller
    G06166751Courtesy of FORD MOTOR CO.
  11. 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.
    Fig 8: Removing Drive Pinion Oil Seal
    G07403950Courtesy of FORD MOTOR CO.