CTS Sedan AWD V6-3.0L (2010)
18 - Lower Primary Timing Chain Guide
19 - Lower Primary Timing Chain Guide Bolt
20 - Crankshaft Sprocket
21 - Primary Timing Chain
22 - Right Camshaft Intermediate Drive Shaft Sprocket
23 - Upper Primary Timing Chain Guide
24 - Primary Timing Chain Tensioner Gasket
25 - Primary Timing Chain Tensioner