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A single piece cast aluminum upper oil pan contributes to crankshaft and block rigidity while Crankshaft The crankshaft is a nitride hardened steel design with five main bearings. Crankshaft thrust is Connecting Rods The connecting rods are one-piece hot forged steel. The connecting rods and caps are of a Pistons The pistons are a full-floating design. The piston pins are a slip fit in the bronze bushed Cylinder Heads The cylinder heads are made of aluminum for lighter weight and rapid heat dissipation. There are Valve Train The engine utilizes a mechanical roller lifter for valve operation. The shaft mounted rocker arms Fuel System The fuel system is of a direct injection fuel rail design. A high pressure pump mounted within the
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
method reduces noise by supplying a small amount of fuel to the cylinder just before the normal Turbocharger The turbocharger is water cooled for improved durability. Oil Cooler The oil cooler lowers engine temperature by cooling the oil with engine coolant. Engine coolant Oil Pump The oil pump is gear driven directly from the crankshaft. The oil pump drive gear is a slip fit to Water Pump The water pump is gear driven for improved reliability. Engine Covers There is a front engine cover and a flywheel housing, both are made of aluminum. The full bell LUBRICATION DESCRIPTION Lubrication Flow Schematic
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 48: Lubrication Flow Schematic Engine lubrication is supplied by a gear type oil pump assembly. The pump is mounted on the The oil is directed to the main oil gallery (4), and from the main oil gallery it flows to the piston
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Oil flows from the main gallery (4) to the vertical crankshaft/camshaft bearing galleries (2). From Oil flows from the crankshaft/camshaft bearing galleries (2) to the number 1 camshaft bearing Oil flows from the crankshaft/camshaft bearing galleries (2) to the number 2 and 5 camshaft Oil flows from the crankshaft/camshaft bearing galleries (2) to the number 3 camshaft bearing On production LB7 engines through 2004, oil flowed through the rocker arms, through the Oil flows from the crankshaft/camshaft bearing galleries (2) to the number 4 camshaft (10), where CLEANLINESS AND CARE An automobile engine is a combination of many of the following surfaces: Machined Honed Polished Lapped The tolerances of these surfaces are measured in the ten-thousandths of an inch. When you service
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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