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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2827 (Rear Drive Axle/Differential - DANA 80 -- F350 Super Duty) >> Disassembly And Assembly >> Differential Case and Ring Gear - Conventional >> Disassembly

Differential Case and Ring Gear - Conventional: Disassembly

WARNING: This page is about a different car, the 2012 Ford Pickup and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the differential carrier. For additional information, refer to Differential Carrier .
  2. Using the Differential Carrier Bearing Step Plate, Differential Carrier Bearing Collets, Differential Carrier Bearing Retaining Ring, Bearing Tube Remover/Installers, Bearing Tube Removal Screw, remove and discard the differential bearings.
    • Place the left and right differential bearing shims with the respective outboard spacers.
    Fig 1: Removing Differential Bearings
    G06776611Courtesy of FORD MOTOR CO.
    3. NOTE: Whenever removing the differential ring gear bolts, always install new Grade 9 differential ring gear bolts.
    Fig 2: Identifying Ring Gear With Bolts
    G07968107Courtesy of FORD MOTOR CO.
  3. Remove and discard 8 of the differential ring gear bolts. Leave 4 differential ring gear bolts loosely assembled, 90 degrees apart.
  4. Tap each differential ring gear bolt head alternately with a rawhide or plastic hammer to loosen the differential ring gear. Remove and discard the 4 differential ring gear bolts. Remove the differential ring gear.
    Fig 3: Tapping Bolts Of Differential Ring Gear
    G07968105Courtesy of FORD MOTOR CO.
    5. NOTE: Use a vise with brass jaws or wood blocks.
  5. Place the differential case in a vise.
  6. Using a suitable tool, drive out the differential pinion shaft lockpin.
    Fig 4: Driving Out Differential Pinion Shaft Lockpin
    G07967507Courtesy of FORD MOTOR CO.
  7. Using a suitable tool, remove the differential pinion shaft.
    Fig 5: Removing Differential Pinion Shaft
    G06142914Courtesy of FORD MOTOR CO.
  8. To remove the differential side gears and the differential pinion gears, rotate the differential side gears. The differential pinion gears will turn to the opening in the differential case.
    Fig 6: Removing Differential Side Gears And Differential Pinion Gears
    G06142915Courtesy of FORD MOTOR CO.
  9. Remove the differential pinion gears and the differential pinion thrust washers.
  10. Lift out the differential side gears and the differential side gear thrust washers.
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