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3secs

  1. Gridlock

    Pulsing/thumping every 3secs when AC on

    So I noticed a little "pulse" through the brake pedal when sitting in traffic the other day, roughly every 2-3 seconds. Then, later, I used the AC with the engine off (REST button) and could distinctly hear a muffled "thump" coming from the front. Started the engine, turned the AC off and sure...
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