- Inspect the valve springs. If the valve spring ends are not parallel, replace the valve spring.
- Inspect the valve spring seating surface of the valve rotators for wear or gouges. Replace as required.
- Measure the valve spring free length. If it is out of specification, replace it. Refer to
Engine Mechanical Specifications.
- Measure the valve spring right angles. If it is out of specification, replace it. Refer to
Engine Mechanical Specifications.