F 250 2WD Super Duty V8-7.3L DSL Turbo VIN F (1999)
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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Be sure margin width is within specification.
2. Inspect for abnormalities on the valve face and seat.
1. Check the valve head and seat.
^
Check valve angles.
^
Check margin width.
^
Be sure margin width is within specification.
2. Inspect for abnormalities on the valve face and seat.