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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 573 (FRONT DRIVE AXLE/DIFFERENTIAL)DISASSEMBLY AND ASSEMBLYDIFFERENTIAL CARRIERASSEMBLY
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD

Differential Carrier: Assembly

2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Assembly
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using the general equipment; Install the new differential side bearings. Use the General Equipment: Hydraulic Press
    GFD552087Courtesy of FORD MOTOR COMPANY
  2. Install the differential side gears in the differential carriers.

    • Lubricate the differential wave washer with axle lubricant.

      Material

      : Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant / XY-75W85-QL (WSS-M2C942-A)

    • Install the differential wave washer on the differential side gear.

    • Install the differential side gear assemblies into differential carrier.

    GFD552088Courtesy of FORD MOTOR COMPANY
  3. With the special tool installed, lubricate the differential pinion thrust washers and the differential pinion gears with axle lubricant and assemble them. Use Special Service Tool: 205-386 (T97T-4205-D) Gauge, Differential (Traction Lock).

    Material

    : Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant / XY-75W85-QL (WSS-M2C942-A)

    GFD552089Courtesy of FORD MOTOR COMPANY
  4. Using the special tool, rotate the differential pinion gears to align with the differential pinion shaft bore and remove the special tool. Use Special Service Tool: 205-386 (T97T-4205-D) Gauge, Differential (Traction Lock).
    GFD552090Courtesy of FORD MOTOR COMPANY
  5. Install the differential pinion shaft.
    GFD552091Courtesy of FORD MOTOR COMPANY
  6. NOTE: If a new pinion shaft bolt is unavailable, coat the threads with sealer.

    Install the new differential pinion shaft bolt.

    Torque: 22 lb.ft (30 Nm)

    GFD552092Courtesy of FORD MOTOR COMPANY
  7. Install the ring gear onto the differential carrier. Align the ring gear using 3 new bolts. Using the general equipment: press the ring gear into place. Use the General Equipment: Hydraulic Press
    GFD552068Courtesy of FORD MOTOR COMPANY
  8. Install the remaining new ring gear bolts.

    Torque: 94 lb.ft (128 Nm)

    GFD552069Courtesy of FORD MOTOR COMPANY
  9. Install the differential carrier. Refer to: Differential Carrier .
RENDER: 1.0x

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When to See a Mechanic

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.