Detailed rear axle assemblies for GM vehicles are available at DemandAAM.com. Exploded views are available for the most common GM axles, including the GM 7.5-inch, GM 8.5-inch, GM 8.6-inch, GM 9.5-inch and GM 11.5-inch. Rear axle diagrams typically show the parts that make up the rear axle assembly.
The parts and components of each axle designation are slightly different for each GM rear axle. The best way to identify which axle you have is to use an axle identification tools, such as DiffWizard.com, or to call a local GM dealership with the vehicle's VIN. Exploded views of rear axle show the internal parts of the axle in the order in which they should be assembled or disassembled.