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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Front Drive Axle/Differential -- F250-F550 Super Duty) >> In-Vehicle Repair >> Drive Pinion Seal >> Installation

Drive Pinion Seal: Installation

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using a suitable driver, install the pinion seal.
    • Lightly coat the pinion seal lip with lubricant.
    Fig 1: Installing Pinion Seal
    G06777401Courtesy of FORD MOTOR CO.
    2. NOTE: Never use a metal hammer on the pinion flange or install the flange with power tools. If necessary, use a plastic hammer to tap on a tight fitting flange.
    NOTE: Align the index marks.
    Fig 2: Installing Flange With New Washer And Nut
    G07968059Courtesy of FORD MOTOR CO.
  2. Lightly coat the flange splines and seal mating area with lubricant, then install the flange and a new washer and pinion nut.
    3. NOTE: Never back off the pinion nut to reduce preload. If preload reduction is necessary, install a new collapsible spacer and pinion nut.
    Fig 3: Locating Flange Nut And Washer
    G06777398Courtesy of FORD MOTOR CO.
    Fig 4: Checking Frequent Pinion Bearing Torque Preload
    G07968054Courtesy of FORD MOTOR CO.
  3. Tighten the nut.
    • Use the Drive Pinion Flange Holding Fixture to prevent the flange from turning while tightening the nut. Remove the Drive Pinion Flange Holding Fixture when taking pinion bearing torque preload readings.
    • Take frequent pinion bearing torque preload readings.
    • The final reading must be 0.56 Nm (5 lb-in) more than the initial reading taken during removal.
    4. NOTE: Align the index-marks on the front driveshaft and the front axle flange to maintain driveline balance.
    Fig 5: Identifying Front Drive Shaft And Front Axle Flange
    G06777405Courtesy of FORD MOTOR CO.
  4. Connect the front driveshaft to the front axle flange.
    1. Remove the tape from the bearing cups.
    2. Connect the front driveshaft to the front axle flange.
    3. Install the 2 new retainers and 4 new bolts.
      • Tighten to 35 Nm (26 lb-ft).
  5. Install the LH and RH brake calipers and the brake caliper bolts.
    • On F-250, F-350, tighten to 76 Nm (56 lb-ft).
    • On F-450, F-550, tighten to 63 Nm (46 lb-ft).
  6. Install the front wheels and tires. For additional information, refer to WHEELS AND TIRES .
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