Silverado Classic 1500 2WD V6-4.3L (2007)
Tighten the bolt to 12 Nm (106 inch lbs.).
2. Install the key into the crankshaft keyway. The crankshaft balancer key should be parallel to the crankshaft or with a slight incline.
3. Align the keyway of the crankshaft sprocket with the crankshaft balancer key.
4. Using J 5590, install the crankshaft sprocket.
5. Important: Install the camshaft sprocket with the alignment mark at the 6 o'clock position.
Install the camshaft sprocket and the camshaft timing chain. Wrap the timing chain around the crankshaft sprocket and position to the drivers side
of the engine.