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Home >> Mercury >> 2004 >> Marauder >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Valve - Guide Inner Diameter

Valve - Guide Inner Diameter

  1. Measure the inner diameter of the valve guides in two directions where indicated.
    • Refer to the appropriate ENGINE article for more information.
    Fig 1: Measuring Valve Guide Inner Diameter
    G02753863Courtesy 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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