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Valve - Inspection

WARNING: This page is about a different car, the 2004 Lincoln Navigator and 2004 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: Identifying Valve Areas
    G02785613Courtesy of FORD MOTOR CO.
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