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  1. Lipps

    A6 harmonic vibration during heavy WOT acceleration

    Anybody out there driving a 2006 paddle shift convertible (or coupe) notice an oscillating harmonic vibration that emanates from the drive train or possibly the exhaust system during heavy acceleration? If so, have you had it successfully diagnosed?
  2. Lipps

    Harmonic vibration under heavy acceleration

    My Corvette is a 2006 convertible with paddle shift. During heavy WOT acceleration I hear and feel an oscillating harmonic vibration that happens between 3000 and 4500 rpm. The service manager at the dealership was able to duplicate and sustain the vibration by holding the speed around 4000 rpm...
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