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Home >> Lincoln >> 2003 >> Aviator AWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Valve Inspection
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Valve Inspection

  1. Inspect the following valve areas:
    1. the end of the stem for grooves or scoring
    2. the valve face and the edge for pits, grooves or scores
    3. the valve head for signs of burning, erosion, warpage and cracking
    4. the valve margin for wear
      Fig 1: Inspecting Valve
      G03446478Courtesy of FORD MOTOR CO.
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