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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Description And Operation) >> Description And Operation >> Engine Component Description >> Valve Train - RPO L83/L86

Valve Train - RPO L83/L86

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Motion is transmitted from the camshaft through the hydraulic roller valve lifters and tubular pushrods to the roller type rocker arms. The nylon valve lifter guides position and retain the valve lifters. The valve rocker arms are mounted on individual pedestals or pivot supports that are incorporated into the cylinder heads. Each rocker arm is retained by a bolt. Valve lash is net build. Cylinders 1, 4, 6, and 7 are active fuel management. Refer to Cylinder Deactivation (Active Fuel Management) System Description .

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