Question about 2009 Hyundai Elantra

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Feel vibration in car when air conditioner compressor kicks in. I notice when at idle. It didn't do this when new, now at 30,000 miles

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  • vdb48b Aug 21, 2010

    if wrong cabin air filter was installed could that have caused a problem in system? dealership says its normal to feel vibration after break in period. doesn't sound reasonable that its increasing.

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  • Hyundai Master
  • 22,095 Answers

Check the engine breather pipes for cracking and going soft first if they appear ok then its the idle control valve ?' a clean might do it

Posted on Aug 21, 2010

  • vdb48b Aug 21, 2010

    thank you for giving me a place to start.

  • Colin Stickland
    Colin Stickland Aug 22, 2010

    they wear in ,what sort of lame excuse is that ??sorry havent answered earlier ,went out on my boat today fishing ,only thing i caught was a suntan ,Still it was the mediterain and this is spain and we all know what spanish fishing boats use -----flyscreen for fishing nets ---- ,Now as AC cuts in and out their is a slight drop but it should pick up more or less instantly and be hardly noticeable now the computer should sense the load and increase speed accordingly but this i think you will only find on more expensive cars like a VW but if you didnt get it before then it shouldnt do it now and 30k isnt a lot of mileage on a modern car ,OK i know it hasnt got a 5.7 litre gas guzzling engine but it shouldnt do it ,Now is their a reason for the compressor to be cutting in and out ?? even if its not that hot out unless it has climatic control.which will cut in and out .

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