Linear and non-linear simulation models are created to understand, interpret and control the clunk problem in a front-wheel drive vehicle, with focus on tip-in and tip-out induced transients. A reduced order torsional model of the driveline system is employed to conceptually describe the impulsive behavior. Based on the calculated time responses, this investigation attempts to propose a few metrics for the quantification of clunk or sharp transients. The effects of several design parameters, such as the number of gear backlashes and stiffnesses of a two-staged clutch damper, are illustrated. Suggestions for further work and possible design solutions are included.

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