garycrist Posted February 28 Report Share Posted February 28 What I could hear, it sounds like a heat shield buzzing. Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted February 28 Report Share Posted February 28 Honestly, not much to go on, but to me it sounds like some type of vacuum valve opening (or closing) and vibrating when moving. There are vacuum valves inside the cabin. Does it sound like the sound is emulating from inside or outside the cabin? About the only way I can think of isolating the sound would be to place a microphone around various places in the engine compartment and narrowing down when its loudest. Quote Link to comment Share on other sites More sharing options...
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