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 WarningOverview (Radio with Touchscreen)
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Engine Block Assemble
Install the 4 piston oil nozzles (1).
Caution: Refer to Fastener Caution.
Install the 4 piston oil nozzle bolts (2) and tighten to 25 Y (18 lb ft).
Install the knock sensor (2).
Install the knock se ...
Draining Fluids and Oil Filter Removal
Place a drip pan underneath.
Remove the oil filter cap (1).
Remove the oil filter cap seal (2).
Remove and properly dispose of the oil filter insert (3).
Re-install the oil filter cap.
Remove the oil drain bolt.
Drain the engine oil into the drip pan.
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