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occasional thud

  1. Pop sound after reaching 50mph

    Noobie Bronco Tech Questions. Flame free zone!
    In recent weeks I've noticed one or two pop sounds or 'bangs' after I reach a cruising speed of 50 or above. The first time I heard it I thought I hit a bird. Usually it happens only once but occasionally it will happen twice within about 30 seconds and then no more for 20 miles or so. I've...