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Home >> Lincoln >> 2003 >> Navigator 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Valve - Spring Squareness

Valve - Spring Squareness

  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 SYSTEM & COMPONENT TESTING - GASOLINE for the procedure.
      Fig 1: Measuring Valve - Spring Squareness
      G03446731Courtesy of FORD MOTOR CO.
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