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Home >> Ford >> 2021 >> Explorer ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 575 (Front Drive Axle/Differential) >> General Procedures >> Differential Fluid Level Check
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Differential Fluid Level Check

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Special Tool(s) / General Equipment 

Fluid Suction Gun

Materials 

Name Specification
Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant XY-75W85-QL WSS-M2C942-A

Check 

  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  2. NOTE: If equipped.

    Remove the underbody shield bolts and remove the underbody shield.

    GFD551957Courtesy of FORD MOTOR COMPANY
  3. NOTE: If equipped.

    Remove the underbody shield bolts, the pin type retainers and remove the underbody shield.

    GFD551958Courtesy of FORD MOTOR COMPANY
  4. NOTE: If equipped.

    Remove the underbody shield bolts and remove the underbody shield.

    GFD551959Courtesy of FORD MOTOR COMPANY
  5. Remove the front differential fill plug.
    GFD551960Courtesy of FORD MOTOR COMPANY
  6. If draining is needed. Using a general equipment, remove as much fluid as possible from the PTU. Use the General Equipment: Fluid Suction Gun
    GFD551961Courtesy of FORD MOTOR COMPANY
  7. Check and top off the differential with clean differential gear lubricant. The differential gear lubricant level should be within 3mm (0.118 in.) from the fluid level fill plug opening. Install the differential fill plug.

    Material

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

    GFD551962Courtesy of FORD MOTOR COMPANY
  8. Install the front differential fill plug.

    Torque: 18 lb.ft (25 Nm)

    GFD551960Courtesy of FORD MOTOR COMPANY
  9. NOTE: If equipped.

    Install the underbody shield and underbody shield bolts.

    Torque: 30 lb.ft (40 Nm)

    GFD551959Courtesy of FORD MOTOR COMPANY
  10. NOTE: If equipped.

    Install the underbody shield and the underbody shield bolts, or the pin type retainers.

    Torque: 30 lb.ft (40 Nm)

    GFD551958Courtesy of FORD MOTOR COMPANY
  11. NOTE: If equipped.

    Install the underbody shield and the underbody shield bolts.

    Torque: 30 lb.ft (40 Nm)

GFD551957Courtesy of FORD MOTOR COMPANY