Operation CHARM
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GMC Truck
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2002
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Safari Van AWD V6-4.3L VIN X
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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
Valve Seat
Angle
46 degrees
Runout
0.05 mm - Maximum (0.002 inch - Maximum)
Seat Width - Exhaust
1.651 - 2.489 mm (0.065 - 0.098 inch)
Seat Width - Intake
1.016 - 1.651 mm (0.040 - 0.065 inch)