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.