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Valve - Guide Inner Diameter

  1. Measure the inner diameter of the valve guides in two directions where indicated.
    • Refer to SPECIFICATIONS in the appropriate ENGINE article.
    Fig 1: Measuring Inner Diameter Of Valve Guides
    G03462031Courtesy of FORD MOTOR CO.
  2. If the valve guide is not within specifications, ream the valve guide and install a valve with an oversize stem or remove the valve guide and install a new valve guide.
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