Clean the seal tower and valve stem with contact cleaner, Part Number 3824510.
Inspect the exposed valve stem for scoring or heavy polishing. Inspect the valve collet grooves for wear.
If the valve stem is damaged, the cylinder head must be removed and the valve replaced. Refer to Procedure
002-004 in Section 2.
Inspect the valve spring retainers and valve collets for damaged or worn areas.
Discard and replace damaged and worn parts.
