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Old 03-10-2014, 11:58 AM
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Diesel drone?

Hello All, I just took an extended test drive over the weekend of a limited ecodiesel. I have driven one previously, and did not notice, but this one had a pronounced drone at idle heard through the cabin. Currently I have a 11 laredo X hemi, and it is much quieter at idle, but the 14 is more quiet any other time.
Is this something that fades with time?
Should it be there at all?

Also, the burning off of engine coatings is quite bad, how long does it take for this to disappear?

Thanks for your help!
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Old 03-10-2014, 01:09 PM
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Re: Diesel drone?

What was the temperature? Seems I hear more a drone when it is cold out until the engine warms up and then it goes away. I can only hear it when going slow through a neighborhood when cold, at highway speeds I can't hear anything.
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Old 03-10-2014, 01:17 PM
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Re: Diesel drone?

Thanks Zach, not cold, in the 50's
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Old 03-10-2014, 10:26 PM
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Originally Posted by MyWay1 View Post
Thanks Zach, not cold, in the 50's
The diesel engine and tranny can take 10 minutes or more to reach full operating temperature. It idles different until then...actually runs rich. Mine will drone a little under certain warmup conditions but honestly I don't notice it. Its a diesel. I'm ok with feeling the engine and hearing it. It is super quiet once moving. I sit and idle a lot when its fully at temp and I don't recall any drone.
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