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Old 10-29-2013, 06:55 AM
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2012 Grand Cherokee Laredo whine coming from engine bay!(Video)

Hello, Im new to the forums and have been browsing around for alittle. I hate that this is my first post because it includes an issue that just started with the truck.

I have this faint whining sound coming into the cabin from the engine bay. I cant seem to pinpoint where its at in the engine but when we purchased the truck one week ago it had never sounded like this...

Even on cold starts it doesnt happen to my knowledge but only after restart. I will be taking it to the dealer today to have them look at it hopefully its not anything major.

Comments are welcome, Thanks.
2012 Jeep Grand Cherokee whine coming from engine - YouTube">2012 Jeep Grand Cherokee whine coming from engine - YouTube" type="application/x-shockwave-flash" width="425" height="350">
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Old 10-30-2013, 09:54 AM
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Re: 2012 Grand Cherokee Laredo whine coming from engine bay!(Video)



reformatted link and already took it to the dealer and they are replacing the alternator which seems to be the issue. But after only 32,000 miles the alternator is done for??? Maybe some quality control issues going on
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Old 03-19-2014, 09:23 PM
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Re: 2012 Grand Cherokee Laredo whine coming from engine bay!(Video)

Hi there! I've recently developed a similar, but slightly less noticeable whine. Mine sounds the same, but is more on acceleration , most noticeable at 2,400rpm. My dealer is taking a look now, after initially being dismissive and saying it was the electro power steering (which my hemi does not have), or "cam timing sensors". I'm not accepting that. Dealership owner drove this prior to my purchase as used, and I know him - so he is going to drive tomorrow.

Did you get anywhere with this?
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