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ventilation

  1. Ventilation fluttering noise

    2007-2012 Nissan Altima Discussion (2.5 & 3.5)
    Hi all, I'm looking for some advice here. I drive a 2012 Altima 2.5S and during the winter months when it reaches -20C to -35C my ventilation system starts to make a fluttering sound on startup and, most of the time, then works itself out. I'm writing in, however, because it doesn't always work...
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