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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine - 4.9L 6-CYL - VIN [Y]) >> Overhaul >> Cylinder Head >> Valve Seat

Valve Seat

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Ensure valve seat angle, seat width and seat runout are within specification. See CYLINDER HEAD  table under ENGINE SPECIFICATIONS. Valve seats must be ground when valve guide is reamed or replaced. Seat replacement information is not available from manufacturer.