Removal Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Observe and mark the positions of all the driveline components, relative to the propeller shaft and the axles, prior to disassembly. These components include the propeller shafts, drive axles, pinion flanges, output shafts, etc. Reassemble all the components in the exact places in which you removed the parts. Follow any specifications, torque values, and any measurements made prior to disassembly.

Raise the vehicle. Lifting and Jacking the Vehicle
Remove the tire and wheel assemblies. Tire and Wheel Removal and Installation (Without Dual Rear Wheels) , or Tire and Wheel Removal and Installation (With Dual Rear Wheels)

NOTE:

Step 3 is for those vehicles that are equipped with the 10.5 inch axle.

Remove the rear wheel axle shafts. Rear Axle Shaft and Gasket Replacement

NOTE:

Step 4 is for those vehicles that are equipped with the 8.6 or 9.5 inch axle.

Remove the rear brake rotors. Rear Brake Rotor Replacement (JH6) , or Rear Brake Rotor Replacement (JH9)
Remove the propeller shaft from the vehicle. Propeller Shaft Replacement (With M5U) , or Propeller Shaft Replacement (With MYD)
NOTE:
Record this measurement for reassembly.

Using an inch-pound torque wrench, measure the amount of torque required to rotate the pinion.
Place an alignment mark between the pinion and the pinion yoke.
Using the J-8614-01 holder/remover and holding it, remove the pinion nut.
Remove the washer.
NOTE:
Rotate the J-8614-3 clockwise to remove the yoke.

Using the J-8614-2 (2) and the J-8614-3 (3), remove the pinion yoke.
Using a suitable tool, remove the drive pinion seal (1).