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 WarningTraction Control/ Electronic Stability Control
The Traction Control System (TCS) limits wheel spin. The system is on when the
vehicle is started.
The StabiliTrak system assists with directional control of the vehicle in difficult
driving conditions. The system is on when the vehicle is started.
To turn off traction control, press and re ...
Supplemental Inflatable Restraint System Description and Operation
SIR System Overview
The supplemental inflatable restraint (SIR) system supplements the protection
offered by the seat belts. The SIR system contains an inflatable restraint sensing
and diagnostic module (SDM), air bags, seat belt pretensioners (anchor and retractor),
and impact sen ...
Valve Lifter Replacement
Special Tools
EN-845 Suction Device
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Remove the camshaft. Refer to Camshaft Replacement.
Note: Mark the assignments.
Remove the valve lifter (1) use the EN-845 suction device ...