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2. Replace the rocker arm shaft if the measured value is less than the service limit. Fig. 31: Measuring Rocker Arm Shaft Inside Diameter 3. Measure the rocker arm inside diameter. The production value is 22.01-22.035 mm (0.8665- 0.8675 in). 4. Calculate the rocker arm shaft to rocker arm clearance. 1. Subtract the rocker arm shaft outside diameter from the rocker arm inside diameter. 2. Replace the rocker arm if the rocker arm shaft to rocker arm clearance is over 0.2 mm (0.0079 in). 5. Inspect the valve lash adjusting screw and lock nut for damage. Replace the valve lash adjusting screw if any damage is found.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 32: Measuring Pushrod For Warpage 6. Measure the pushrods for warpage. 7. Replace the pushrod if the warpage exceeds 0.8 mm (0.031 in). PISTON OIL COOLING NOZZLE CLEANING AND INSPECTION
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 33: View Of Piston Oil Cooling Nozzle Inspection Areas 1. Inspect the piston oil cooling nozzle for damage. 2. Replace the piston oil cooling nozzle if any damage is found. OIL PUMP CLEANING AND INSPECTION
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 34: View Of Oil Pump Gear Cover & Bolts 1. Remove the oil pump gear cover bolts. 2. Remove the oil pump gear cover.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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