F 550 4WD Super Duty V10-6.8L (2009)
Valve Spring: Procedures
Valve Spring Installed Length
Valve Spring Installed Length
NOTE: Refer to the Engine system level for the specification.
1. Measure the installed length of each valve spring.
Valve Spring Free Length
Valve Spring Free Length
NOTE: Refer to the Engine system level for the specification.
1. Measure the free length of each valve spring.
Valve Spring Squareness
Valve Spring Squareness
1. Measure the out-of-square on each valve spring.
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Turn the valve spring and observe the space between the top of the valve spring and the square.
Valve Spring Strength
Valve Spring Strength
