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Valve - Inspection

WARNING: This page is about a different car, the 2002 Lincoln Navigator and 2002 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
  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 Areas
    G03442288Courtesy of FORD MOTOR CO.
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