Noise on Start Up? - Hyundai Elantra Forum
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post #1 of 4 (permalink) Old 05-20-2014, 06:39 PM Thread Starter
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Noise on Start Up?

Hi all. My father has a 2012 Elantra Limited. He has a strange noise on start up. I told him I think its the Alternator Pulley. As my 13 GS Coupe does it. Usually after sitting for a few days. Its hard to describe the sound. Kind of a Ruring sound. Then goes away. Usually on start up. But today he said it lasted longer.

Thanks all.

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post #2 of 4 (permalink) Old 05-20-2014, 07:55 PM
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My 2011 Elantra had the same ruring sound at start-up a long time ago. I haven't heard it in a while. It probably is the alternator pulley, there have been complaints of them being too tight and causing the sound that you hear. I don't understand how Hyundai missed this, but mine eventually stopped making the sound. (Or I've gotten use to it)
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post #3 of 4 (permalink) Old 05-25-2014, 07:57 AM Thread Starter
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The Alternator has a Clutch in it. Like an AC Compressor. I think it has to do with increasing MPGs.

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post #4 of 4 (permalink) Old 10-15-2014, 11:45 PM
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Where does the sound from?
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