Silverado Classic 2500 2WD V8-8.1L (2007)
5. Ensure that the crankshaft sprocket is aligned at the 12 o'clock position and the camshaft sprocket is aligned at the 6 o'clock position.
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the camshaft sprocket bolts.
Tighten the bolts a to 30 Nm (22 ft. lbs.).
7. Install the engine front cover.