Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Differential Fluid Level Check
For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .
Special Tool(s) / General EquipmentÂ
| Fluid Suction Gun |
|---|
MaterialsÂ
| Name | Specification |
|---|---|
| Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant XY-75W85-QL | WSS-M2C942-A |
CheckÂ
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
-
NOTE: If equipped.
Remove the underbody shield bolts and remove the underbody shield.
-
NOTE: If equipped.
Remove the underbody shield bolts, the pin type retainers and remove the underbody shield.
-
NOTE: If equipped.
Remove the underbody shield bolts and remove the underbody shield.
- Remove the front differential fill plug.
- If draining is needed. Using a general equipment, remove as much fluid as possible from the PTU. Use the General Equipment: Fluid Suction Gun
- 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)
- Install the front differential fill plug.
Torque: 18 lb.ft (25 Nm)
-
NOTE: If equipped.
Install the underbody shield and underbody shield bolts.
Torque: 30 lb.ft (40 Nm)
-
NOTE: If equipped.
Install the underbody shield and the underbody shield bolts, or the pin type retainers.
Torque: 30 lb.ft (40 Nm)
-
NOTE: If equipped.
Install the underbody shield and the underbody shield bolts.
Torque: 30 lb.ft (40 Nm)
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.