Disassembly And Assembly: Axle: Disassembly

2018 Ford Expedition Limited, RWDSECTION Disassembly
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  • 2.

    Remove the 10 bolts and the differential housing cover.
    • Drain the fluid.
    • Remove the bolts.
    • Remove the differential housing cover.
GFD134716Courtesy of FORD MOTOR COMPANY

  • 3.

    NOTE: The fixture mounting bolts must have the minimum specified thread engagement in the carrier or damage to the component may occur.

    Install the Transmission Holding Fixture.

GFD134717Courtesy of FORD MOTOR COMPANY

  • 4.

    Using the Transmission Fluid Pump Remover and Slide Hammer, remove the intermediate shaft.
GFD134678Courtesy of FORD MOTOR COMPANY

  • 5.

    Remove the 4 bolts and the axle housing tube.
GFD134718Courtesy of FORD MOTOR COMPANY

  • 6.

    NOTE: The housing spreader adapter bolts must have the minimum specified thread engagement in the carrier or damage to the component may occur.

    Install the Differential Housing Spreader Plate and Adapter for Differential Housing Spreader.

GFD134719Courtesy of FORD MOTOR COMPANY

  • 7.

    Position the Differential Carrier Spreader on the spreader adapters.
GFD134757Courtesy of FORD MOTOR COMPANY

  • 8.

    Install the Dial Indicator Gauge with Holding Fixture and Clutch Holding Gauge.
    • Position the adapter tip in the spreader adapter hole.
GFD134758Courtesy of FORD MOTOR COMPANY

  • 9.

    NOTE: Overspreading may damage the axle housing.

    Spread the axle housing to the specification.

    • 1.

      Adjust the Dial Indicator Gauge to zero.

    • 2.

      Tighten the housing spreader screw to spread the axle housing to the specification.

    • 3.

      Remove the Dial Indicator Gauge with Holding Fixture.
GFD134759Courtesy of FORD MOTOR COMPANY

  • 10.

    NOTE: Mark the differential bearing caps Top or Bottom and LH or RH appropriately before removing them. Always install the bearing caps in their original place and position.

    Mark and remove the 2 differential bearing caps.

    • 1.

      Remove the bolts.

    • 2.

      Remove the differential bearing caps.
GFD134722Courtesy of FORD MOTOR COMPANY

  • 11.

    NOTE: Use wood blocks to avoid axle housing damage.

    Remove the differential assembly from the axle housing.

    • 1.

      Position the wood blocks.

    • 2.

      Position and push down on the 2 pry bars.

    • 3.

      Remove the differential assembly.

    • 4.

      Remove the Differential Carrier Spreader.
GFD134723Courtesy of FORD MOTOR COMPANY

  • 12.

    Index-mark the axle U-joint flange to the pinion stem.
GFD134771Courtesy of FORD MOTOR COMPANY

  • 13.

    Install the Drive Pinion Flange Holding Fixture and loosen, but do not remove, the pinion nut.
GFD134724Courtesy of FORD MOTOR COMPANY

  • 14.

    With the pinion nut still engaged by a few threads, use the 2 Jaw Puller to separate the axle U-joint flange from the pinion gear.
GFD134725Courtesy of FORD MOTOR COMPANY

  • 15.

    Remove the nut and the flange.

  • 16.

    Using the Drive Pinion Thread Protector and a soft hammer, remove the pinion gear.
GFD134726Courtesy of FORD MOTOR COMPANY

  • 17.

    Discard the drive pinion collapsible spacer.
GFD134727Courtesy of FORD MOTOR COMPANY

  • 18.

    NOTE: Do not damage the carrier housing while removing the pinion seal.

    Remove the pinion seal and slinger.

    • Pry up on the seal flange. Install gripping pliers, and strike with a hammer to remove the seal.
GFD134510Courtesy of FORD MOTOR COMPANY

  • 19.

    Remove the outer pinion bearing.

  • 20.

    Using the Bearing Cup Remover and Slide Hammer, remove the inner pinion bearing cup.
GFD134729Courtesy of FORD MOTOR COMPANY

  • 21.

    NOTE: The pinion bearing oil baffle aids in bearing lubrication. Normally, it is not necessary to remove the baffle.

    If necessary, remove the pinion bearing oil baffle.

GFD134730Courtesy of FORD MOTOR COMPANY

  • 22.

    Remove the outer pinion bearing cup by tapping alternately on each side to prevent the cup from cocking.
GFD134731Courtesy of FORD MOTOR COMPANY

  • 23.

    Using the Bearing Remover and a suitable press, remove the pinion bearing.
GFD134772Courtesy of FORD MOTOR COMPANY

  • 24.

    NOTE: A drive pinion bearing adjustment shim sits under the pinion bearing. Use a micrometer to measure the shim thickness. Record the measurement for comparison to the shim gauge reading taken prior to installing the pinion bearing.

    Remove and measure the drive pinion bearing adjustment shim.

GFD134773Courtesy of FORD MOTOR COMPANY

  • 25.

    NOTE: Use a drift punch to separate the ring gear from the differential case.

    Remove and discard the 10 bolts and remove the ring gear.

GFD134655Courtesy of FORD MOTOR COMPANY

  • 26.

    Using the 2 Jaw Puller and Step Plate, remove the differential bearings.
GFD134768Courtesy of FORD MOTOR COMPANY
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.