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Home >> Lincoln >> 2005 >> Aviator RWD >> 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 the appropriate article in ENGINE for the procedure.
      Fig 1: Measuring Out-Of-Square On Each Valve Spring
      G03862302Courtesy of FORD MOTOR CO.
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