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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 221 (TRANSFER CASE)GENERAL PROCEDURESTRANSFER CASE DRAINING AND FILLING
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD

Transfer Case Draining and Filling

2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Transfer Case Draining and Filling
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Materials 

Name Specification
Motorcraft® MERCON® LV Automatic Transmission Fluid XT-10-QLVC WSS-M2C938-AMERCON® LV,

Draining 

  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  2. Remove the transfer case drain plug.

    1. Remove the transfer case drain plug and drain the fluid.
    2. Clean the transfer case drain plug and the area around transfer case drain plug.
    3. Apply thread sealant to the transfer case drain plug threads and install the transfer case drain plug.

      Torque: 20 lb.ft (27 Nm)

GFD409439Courtesy of FORD MOTOR COMPANY

Filling 

  1. Remove the transfer case fill plug.

    1. Clean the transfer case fill plug and the area around the transfer case fill plug.
    2. Remove the transfer case fill plug.

    GFD409440Courtesy of FORD MOTOR COMPANY
  2. Fill the transfer case with 1.8L (3.8 pt) of clean fluid. The transfer case fluid must be within 10mm (0.393 in) below the fill plug hole.

    Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)

    GFD409441Courtesy of FORD MOTOR COMPANY
  3. Install the transfer case fill plug.

    1. Apply thread sealant to the transfer case fill plug threads.
    2. Install the transfer case fill plug.

      Torque: 20 lb.ft (27 Nm)

GFD409442Courtesy of FORD MOTOR COMPANY
RENDER: 1.0x

NO RELATED

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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.