Valve Seat Inspection
CAUTION:
After grinding valves or valve seats, check valve clearance.
- Check the valve head and seat.
- Check valve angles.
- Check margin width.
- Refer to ENGINE-2.0L ZETEC or ENGINE-3.0L (4V) for specifications .
- Be sure margin width is within specification.
- Inspect for abnormalities on the valve face and seat. Install a new cylinder head assembly if abnormalities are found.