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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 581 (Wheel Hubs And Bearings - 3/4 Floating Axle) >> Diagnosis And Testing >> Wheel Hubs and Bearings >> Pinpoint Tests >> Pinpoint Test A: Lubricant Leaking From The Hub Oil Seals

Pinpoint Test A: Lubricant Leaking From The Hub Oil Seals

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. Normal Operation and Fault Conditions 

    REFER to: Wheel Hubs and Bearings - Overview .

    Possible Sources 

    • Plugged vent
    • Worn or damaged hub seal

  2. A1 INSPECT THE AXLE HOUSING VENT PLUG FOR LEAKAGE

    • Inspect the axle housing vent plug.

    Was any leakage found? 

    Yes  CLEAN the axle housing vent.
    No  GO to  A2

  3. A2 CHECK THE REAR WHEEL HUB SEAL FOR DAMAGE OR WEAR

    • Inspect the rear wheel hub seal.

    Was any damage found? 

    Yes  INSTALL new hub seal if necessary. REFER to: Axle Shaft .
    No  Check the lubricant level. Fill the axle to the specification. REFER to: Differential Fluid Level Check .
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