Operation CHARM
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GMC Truck
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1991
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V 3500 P/U 4WD V8-454 7.4L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Differential Assembly
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Front Axle
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8 1/2-Inch Ring Gear
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Fastener Tightening Specifications
Fastener Tightening Specifications
8 1/2-INCH RING GEAR (FRONT AXLE)
Axle Cover Bolts
27 Nm (20 ft. lbs.)
Bearing Cap Bolts
80 Nm (60 ft. lbs.)
Ring Gear Bolts
120 Nm (90 ft. lbs.)