181 FBI Axle

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.)