Silverado 3500 2WD V8-6.6L DSL Turbo (2006)
7. Tighten the lock nut.
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Tighten nut to 22 Nm (16 ft. lbs.).
8. Rotate the crankshaft one revolution in order to bring the number 1 cylinder to TDC of the exhaust stroke.
9. Loosen the valve adjusting screws.
10. Insert a feeler gage between the tip of the rocker arm and the valve bridge.
11. Adjust the valve clearance to 0.3 mm (0.0112 inch).
12. Tighten the lock nut.
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Tighten nut to 22 Nm (16 ft. lbs.).
13. Install the upper valve rocker arm covers.
14. Install the fan clutch.
