E 350 V10-6.8L VIN S (2006)
Valve Spring: Service and Repair
Valve Spring Inspection
Valve - Spring Installed Length
1. Measure the installed length of each valve spring.
^
If out of specification, install new components.
Valve - Spring Free Length
1. Measure the free length of each valve spring.
^
If out of specification, install new components as necessary.
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.
Valve Spring Strength
