Valve Spring

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. NOTE: This procedure only applies to cylindrical valve springs.

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 Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.
^ If out of specification, install new components as necessary.