mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Valve Seat Inspection|Page 1050 > < Valve Guide Inner Diameter|Page 1045
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Valve Seat: Testing and Inspection
Valve Seat Inspection

VALVE SEAT INSPECTION

Valve and Seat Refacing Measurements

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

1. Check the valve head and seat.

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Check valve angles.

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Check margin width.

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Make sure margin width is within specification.

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

NOTE: See  See: Specifications for the specification. 

Valve Seat Inspection|Page 1050 > < Valve Guide Inner Diameter|Page 1045