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Valve Spring Squareness
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
Courtesy of FORD MOTOR CO.