Silverado 1500 2WD V8-5.3L (2007)
7. With the engine in the number one firing position, tighten the following rocker arm bolts:
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Tighten cylinders 1,2,7 and 8 exhaust valve rocker arm bolts to 30 N.m (22 lb ft).
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Tighten cylinders 1,3,4 and 5 intake valve rocker arm bolts to 30 N.m (22 lb ft).
8. Rotate the crankshaft 360 degrees.
9. Tighten the following rocker arm bolts:
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Tighten cylinders 3, 4, 5 and 6 exhaust valve rocker arm bolts to 30 N.m (22 lb ft).
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Tighten cylinders 2, 6, 7 and 8 intake valve rocker arm bolts to 30 N.m (22 lb ft).
10. Install the number one cylinder spark plug.
11. Install the rocker arm cover.