For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

California Proposition 65 WarningFilling the Tank
Warning
Fuel vapors and fuel fires burn violently and can cause injury or death.
. To help avoid injuries to you and others, read and follow all the instructions
on the fuel pump island.
. Turn off the engine when refueling.
. Keep sparks, flames, and smoking materials away from fuel.
...
Hub/Axle Flange and Wheel Stud Runout Inspection
Special Tools
GE-8001 Dial Indicator Set , or equivalent
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Mark the location of the wheels to the wheel studs and mark the specific
vehicle position on each tire and wheel – LF, LR, RF, RR.
Remove the tire and ...
Drive and Driven Sprocket, Drive Link, and Park Pawl Removal (6T40/45/50)
Drive and Driven Sprocket, Drive Link, and Park Pawl Removal
Callout
Component Name
1
Drive Link Lube Scoop
2
Drive Link Lube Scoop Seals
3
Drive Link Lube Fluid Se ...