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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 583 (Front Drive Axle/Differential) >> Diagnosis And Testing >> Front Drive Axle >> Pinpoint Tests >> Pinpoint Test G: Axle Howling Or Whine

Pinpoint Test G: Axle Howling Or Whine

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: Front Drive Axle and Differential .

    Possible Sources 

    • Axle lubricant low
    • Axle housing damage
    • Damaged, worn or incorrect ring and pinion gear contact

  2. G1 CHECK THE LUBRICANT LEVEL

    • Check the lubricant level.

    Is the lubricant level low? 

    Yes  Fill the axle to specification. REFER to: Differential Fluid Level Check .
    No  GO to  G2

  3. G2 INSPECT AXLE HOUSING FOR DAMAGE

    • Inspect axle housing for damage.

    Was any damage found? 

    Yes  Install a new axle assembly as necessary. REFER to: Axle Assembly .
    No  GO to  G3

  4. G3 INSPECT RING AND PINION GEAR CONTACT

    • Inspect ring and pinion gear contact.

    Was any damage found? 

    Yes  Refer to Contact Pattern in this procedure or REFER to: Differential Ring Gear and Pinion .
    No  Inspect the vehicle for any other symptoms related to the axle.
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