2005 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE

Connecting Rod Bushing Diameter

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. Use a telescoping gauge to determine the inner diameter of the connecting rod bushing, if equipped.
    Fig 1: Measuring Inner Diameter Of Connecting Rod Bushing
    G03885034Courtesy of FORD MOTOR CO.
  2. Measure the telescoping gauge with a micrometer. Verify the diameter is within specification.
    • Refer to ENGINE for the specification.
    • If out of specification, install new components as necessary.
      Fig 2: Measuring Telescoping Gauge Using Micrometer
      G03885035Courtesy 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.