Pinion Preload and Backlash

DANA MODEL 80 (11 INCH RING GEAR)
PINION BEARING PRELOAD SPECIFICATION
Torque to rotate drive pinion only
New bearings 2.8-5.1 Nm (25-45 lb.in.)
Ratios 4.63 to 5.13 0.68-.90 Nm (6-8 lb.in.)*
*Added to Pinion Torque for Final Reading.
Torque To Rotate Drive Pinion and Differential Case (Less Axle Shafts, New Bearings) Additional Torque to Rotate Required for Differential Bearning Preload (New Bearings Only) by Ration: 4.63 to 5.13 2.26-4.52 Nm (20-40 lb. in.)

BACKLASH
New Gears 0.13-0.23 mm (0.005-0.009 in.)