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1999 JEEP TRUCK WRANGLER

Drive Axles, Bearings and Joints

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Mechanical Specifications

 Axle Ratio .................... 3.07,3.55,3.73,4.10
 Differential Side Gear Clearance .................... 0.12-0.20 mm (0.005-0.008 in.)
 Ring Gear Diameter .................... 18.09 cm (7.125 in.)
 Ring Gear Backlash .................... 0-0.15 mm (0.005-0.008 in.)
 Pinion Std. Depth .................... 92.1 mm (3.625 in.)
 Pinion Bearing Rotating Torque
    Original Bearings .................... 1-2 Nm (10-20 in.lbs.)
    New Bearings .................... 1.5-4 Nm (15-35 in.lbs.)

Torque Specifications

 Fill Hole Plug .................... 34 Nm (25 ft.lbs.)
 Differential Cover Bolt .................... 41 Nm (30 ft.lbs.)
 Bearing Cap Bolt .................... 61 Nm (45 ft.lbs.)
 Ring Gear Bolt .................... 95-122 Nm (70-90 ft.lbs.)
 Axle Nut .................... 237 Nm (175 ft.lbs.)
 Hub Bearing Bolt .................... 102 Nm (75 ft.lbs.)
 Lower Ball Stud .................... 108 Nm (80 ft.lbs.)
 Upper Ball Stud .................... 101 Nm (75 ft.lbs.)

Mechanical Specifications

 Axle Ratio .................... 3.07,3.55,3.73,4.10
 Differential Bearing Preload .................... 0.1 mm (0.004 in.)
 Differential Side Gear Clearance .................... 0-0.15 mm (0-0.006 in.)
 Ring Gear Diameter .................... 19.2 cm (7.562 in.)
 Ring Gear Backlash .................... 0-0.15 mm (0.005-0.008 in.)
 Pinion Std. Depth .................... 92.08 mm (3.625 in.)
 Pinion Bearing Rotating Torque
    Original Bearings .................... 1-2 Nm (10-20 in.lbs.)
    New Bearings .................... 1.5-4 Nm (15-35 in.lbs.)
 Maximum Carrier Spread .................... 0.51 mm (0.020 in.)

Torque Specifications

 Differential Cover Bolt .................... 41 Nm (30 ft.lbs.)
 Differential Bearing Cap Bolt .................... 77 Nm (57 ft.lbs.)
 Ring Gear Bolt .................... 95-122 Nm (70-90 ft.lbs.)
 Nut, Pinion Gear-Minimum .................... 271-474 Nm (200-350 ft.lbs.)
 Screw, Pinion Mate Shaft Lock .................... 16.25 Nm (12 ft.lbs.)
 Bolt, ABS Sensor .................... 8 Nm (70 in.lbs.)


Mechanical Specifications

 Axle Ratios .................... 3.07,3.55,4.10
 Differential Bearing Preload .................... 0.1 mm (0.004 in.)
 Differential Side Gear Clearance .................... 0-0.15 mm (0-0.006 in.)
 Ring Gear Diameter .................... 216 mm (8.5 in.)
 Ring Gear Backlash .................... 0.13-0.20 mm (0.005-0.008 in.)
 Pinion Depth .................... 109.52 mm (4.312 in.)
 Bearing Preload, Pinion (New) .................... 2.226-4.52 Nm (20-40 in.lbs.)
 Bearing Preload, Pinion (Original) .................... 1-3 Nm (10-20 in.lbs.)

Torque Specifications

 Plug, Fill .................... 34 Nm (25 ft.lbs.)
 Bolts, Differential Cover .................... 41 Nm (30 Ft.lbs.)
 Bolts, Differential Bearing Cap .................... 108 Nm (80 ft.lbs.)
 Bolts, Ring Gear .................... 108 Nm (80 ft.lbs.)
 Nuts, Brake Backing Plate .................... 61 Nm (45 ft.lbs.)
 Nut, Pinion Gear-Minimum .................... 217 Nm (160 ft.lbs.)

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