Valve Spring
Valve Spring Free Length1. Measure the free length of each valve spring.
^ For additional information, refer to the specification chart in the appropriate engine information.
^ 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.
^ For additional information, refer to the specification chart in the appropriate engine information.
^ If out of specification, install new components as necessary.
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.
^ For additional information, refer to the specification chart in the appropriate engine information.
^ If out of specification, install new components as necessary.
