Sierra 3500 4WD V8-6.0L (2008)
4. Remove the brake rotors (8.6 inch, 9.5 inch axles). Refer to Rear Brake Rotor Replacement (JD9) Rear Brake Rotor Replacement (JH6) Rear
Brake Rotor Replacement (JH7) .
5. Remove the axle shafts (10.5 inch, 11.5 inch axle). Refer to Rear Axle Shaft and/or Gasket Replacement (See: Drive Axles, Bearings and
Joints/Seals and Gaskets/Service and Repair/Rear Axle Shaft and/or Gasket Replacement) .
6. Reference mark the rear propeller shaft (3) to the rear axle pinion yoke (4).
7. Disconnect the propeller shaft from the axle.
Wrap the bearing caps with tape in order to prevent the loss of bearing rollers.
Support the propeller shaft as necessary.
8. Measure the amount of torque required to rotate the pinion. Use an inch-pound torque wrench. Record this measurement for reassembly. This will
give the combined preload for the following components:
*
The pinion bearings
*
The pinion pilot bearing (10.5 inch axle)
*
The pinion oil seal
*
The differential case bearings
*
The axle bearings (8.6 inch, 9.5 inch axles)
*
The axle seals (8.6 inch, 9.5 inch axles)
9. Place an alignment mark between the pinion and the pinion yoke.
