FixVault

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.
    • For additional information, refer to the SPECIFICATION  chart in the appropriate engine article.
    • If out of specification, install new components as necessary. Refer to the ENGINE - 3.5L for the procedure.
      Fig 1: Measuring Valve Spring Squareness
      G06500943Courtesy of FORD MOTOR CO.