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GMC Truck
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1989
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R 2500 P/U 2WD L6-292 4.8L
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Repair and Diagnosis
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Transmission and Drivetrain
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Differential Assembly
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Specifications
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Mechanical Specifications
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Rear Axle
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Non-Locking Differential
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Dana 9 3/4-Inch Ring Gear
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Pinion Preload and Backlash
Pinion Preload and Backlash
DANA 9 3/4-INCH RING GEAR
Pinion Preload
2.26-4.53 mm (20-40 in. lbs.)
Backlash
0.13-0.23 mm (0.005-0.009 in.)