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7. Tighten the lock nut. Tighten: Tighten nut to 22 N.m (16 lb ft). Fig. 141: View Of Crankshaft Balancer Mark Aligned With Engine Mark 8. Rotate the crankshaft one revolution in order to bring the number 1 cylinder to TDC of the
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
exhaust stroke. Fig. 142: View Of Feeler Gage Between Tip Of Rocker Arm & Valve Lifter Bridge 9. Loosen the valve adjusting screws. 10. Insert a feeler gage between the tip of the rocker arm and the valve bridge.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 143: View Of Rocker Arm Intake & Exhaust Valves 2, 3, 4, 5, 6, 7 & 8 11. Adjust the valve clearance to 0.3 mm (0.012 in). Refer to Valve Clearance Adjustment Specifications to determine which valves can be adjusted when the engine is at TDC. 12. Tighten the lock nut.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Tighten: Tighten nut to 22 N.m (16 lb ft). 13. Install the upper valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement - Upper Left Side and Valve Rocker Arm Cover Replacement - Upper 14. Install the fan clutch. Refer to Fan Clutch Replacement (Diesel) . TURBOCHARGER REPLACEMENT Removal Procedure 1. Remove the transmission. Refer to Transmission Replacement . 2. Remove the left and right wheelhouse liners. Refer to Front Wheelhouse Liner Replacement - Right Side (GMC) or Front Wheelhouse Liner Replacement - Right NOTE: If a turbocharger has failed, clean any turbocharger debris or IMPORTANT: If a turbocharger failure is thought to be caused due to lack of oil, the camshaft bearing should be checked. The number 4 camshaft
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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