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 WarningRear Seat Shoulder Belt Guide Opening Bezel Replacement
Rear Seat Shoulder Belt Guide Opening Bezel Replacement
Callout
Component Name
1
Rear Seat Shoulder Belt Opening Bezel
Procedure
Push inward and upward from the front of the bezel to release from the
seat back ...
Water Pump Pulley Installation
Note: Counterhold the crankshaft balancer. The belt has to be
installed for this procedure.
Install the water pump pulley (2) to the water pump (3).
Caution: Refer to Fastener Caution.
Install the 3 water pump pulley bolts (1) with lockin ...
Transmission Assemble (Gen 2)
Special Tools
3-9506289 Universal Adapter
R-0007758 Holding Fixture
S-9407197 Differential Rotating Tool
S-9407198 Differential Bearing Race Wrench
For equivalent regional tools, refer to Special Tools.
Install the clutch and differential housing assembly (1)
onto ...