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Valve Seat Inspection
Valve Seat InspectionValve 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.
^ 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.