Valve Spring

Valve Spring Installed Length
1. Measure the installed length of each valve spring.
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- If out of specification, install new components.





Valve Spring Free Length
1. Measure the free length of each valve spring.
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- 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

Special Tool(s):

1. Use a spring tester to check the valve spring for correct strength at the specified valve spring length.
- If out of specification, install new components as necessary.