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 WarningDifferential Case Disassemble
Special Tools
6-9607346 Sensor Ring Gear Puller
J-810704 Steering Column Center Bar Puller
J-810721 Axle Shaft Seal Remover Support Base
R-0006749 Support Base
R-0407011 Bearing Race Remover
R-0007761 Universal Handle for Pullers and Installers
S-9407195 Pinion Gear Case Bearing ...
Front Wheel Drive Shaft Seal Replacement - Right Side
Front Wheel Drive Shaft Seal Replacement - Right Side
Callout
Component Name
Preliminary Procedures
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the front wheel drive shaft from the tran ...
Starting System Description and Operation
The starter motors are non-repairable starter motors. They have pole pieces that
are arranged around the armature. Both solenoid windings are energized. The pull-in
winding circuit is completed to the ground through the starter motor. The windings
work together magnetically to pull and hold in ...