Operation CHARM
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Ford Truck
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1998
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Expedition 2WD V8-281 4.6L SOHC
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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Valve Seat
Valve Seat
DIMENSIONS
Valve Seat
Angle
45°
Valve Seat Runout (T.I.R.)
0.025 mm (0.00038 inch, max)
Valve Seat
Width:
Intake
1.9-2.1 mm (0.074-0.082 inch)
Exhaust
1.9-2.1 mm (0.074-0.082 inch)