Valve Seat

Valve Seat Inspection

Valve and Seat Refacing Measurements

CAUTION: After grinding valves or valve seats, check valve clearance.

1. Check the valve head and seat.
^ Check valve angles.
^ Check margin width.
^ Be sure margin width is within specification. For additional information, refer to the specification chart in the appropriate engine information.
^ If out of specification, install new components as necessary.





2. Inspect for abnormalities on the valve face and seat. Install a new cylinder head assembly if abnormalities are found.