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Home › Ford › 2007 › Expedition RWD › Repair and Diagnosis › Engine Mechanical › Mechanical › Engine System - General Information › General Procedures › Valve Spring Squareness

Valve Spring Squareness

    NOTE: This procedure only applies to cylindrical valve springs.
  1. Measure the out-of-square on each valve spring.
    • Turn the valve spring and observe the space between the top of the valve spring and the square. Install a new valve spring if out of square. Refer to ENGINE article for the procedure.
    2. Fig 1: Measuring Valve Spring Out-Of-Square
    G03885054Courtesy of FORD MOTOR CO.
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