Browse Publications Technical Papers 2003-01-0056

NVH Optimization of the New 2.5L HSDI Diesel Engine with Common Rail 2003-01-0056

This paper presents NVH optimization procedure for the 2.5L I4 common rail diesel engine. Distinctive design feature is the low noise timing chain system which realized by chain case modification and meshing noise improvement. The former was effective for reduction of sound level and the later was for sound quality. Combustion excitation force, vibration transmission in engine structure were also improved and countermeasured to achieve powerful and comfortable Sports Utility Vehicle.


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