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crackling sounds

  1. Crackling sound after driving a while from rear end diff

    Gearbox, Transaxle, Differential & Propshaft
    Hi Alfaholics, I have a series 3 1990 Graduate, some parts are series 3 and other series 4. It's a midyear hybrid that forces me into all sorts of pretzels when buying parts. I am experiencing some rear end diff crackling noises after driving for some time. It is most noticeable when I have to...