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Fig. 36: View Of CMP Actuator Magnet & Components The CMP actuator magnet (752) is located in the engine front cover and is sealed by a gasket CMP Actuator Fig. 37: View Of CMP Actuator Components
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
The CMP actuator is a vane type design that hydraulically changes angle or timing of the The CMP actuator consists of the CMP reluctor wheel (1), wheel retaining pins (2), return spring CMP System Operation Fig. 38: CMP Actuator A CMP actuator dynamically changes valve timing events relative to piston timing by controlling By advancing camshaft timing, an improvement in low end torque can be achieved. By retarding camshaft timing slightly, an improvement in high end power can be achieved. By retarding camshaft timing significantly, an improvement in light load fuel economy can There are 5 cavities divided by vanes within the CMP actuator.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
When oil is directed to the advance cavities (1), the camshaft timing is advanced. When oil is directed to the retard cavities (2), the camshaft timing is retarded. When oil is directed to both cavities, the camshaft is held stationary.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 39: Timing Camsghaft - 62 Degree Range Of Authority The 6.0L L76 and 6.2L L92 CMP actuator has a 62 degree range of authority. With the engine
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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