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Home >> GMC >> 1991 >> Syclone V6-262 4.3L Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Differential Assembly >> Front Axle >> 8 1/2-Inch Ring Gear >> Pinion Preload and Backlash
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Pinion Preload and Backlash

8 1/2-INCH RING GEAR (FRONT AXLE)
PINION PRELOAD
New Bearings 2.3-2.8 Nm (20-25 lb. in.)
Used Bearings 1.1-1.7 Nm (10-15 lb. in.)
BACKLASH
New Gears 0.13-0.23 mm (0.005-0.009 in.)
Used Gears 0.08-0.28 mm (0.003-0.011 in.)
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