Operation CHARM: Car repair manuals for everyone.

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. 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 Tools And Equipment:





Special Tools





1. Use a Valve/Clutch 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.