Grand Prix V8-5.3L (2007)
9. Tighten the following valve 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 valve rocker arm cover.