2005 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE

Bearing Inspection

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect bearings for the following defects:
    1. Cratering - fatigue failure
    2. Spot polishing - incorrect seating
    3. Imbedded dirty engine oil
    4. Scratching - dirty engine oil
    5. Base exposed - poor lubrication
    6. Both edges worn - journal damaged
    7. One edge worn - journal tapered or bearing not seated
      Fig 1: Inspecting Bearings
      G03885074Courtesy of FORD MOTOR CO.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.