Rear end harmonic noise

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drjeff

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My 2918 with under 2k miles has developed a low harmonic noise from the rear end that starts with the wheels turning and stops when the wheels stop. It is not a squeak, rattle, thump, or grind. It reminds me of rubbing your finger on a glass rim but in a very low range. Anyone else with this type of issue?
 

proeasy

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Which axle ratio. 3,31 or 3.73. (Tow Package)

All the time or temperature dependent. I would focus on the rear drive unit
 
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drjeff

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All the time. There is not a great deal of temperature variation in Phoenix. Axle 3.31 without tow pkg.
 

rcompart

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Does it make the noise in reverse? Get louder the faster you drive? Does the noise change when turning?
 
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drjeff

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Noise forward and backward. Don't hear it at road speed but noticeable before stopping and starting to move. No change with turning. The noise does seem to change pitch with increase speed.
 

J Ski

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My 2918 with under 2k miles has developed a low harmonic noise from the rear end that starts with the wheels turning and stops when the wheels stop. It is not a squeak, rattle, thump, or grind. It reminds me of rubbing your finger on a glass rim but in a very low range. Anyone else with this type of issue?
Anything you can see like Debris stuck in brake pads, stuck in shroud around the rotor, something cutting into rotor? Any weird looking marks around the rotor?
 

TxBrian

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Make sure you don't have anything in the tire .
My wife picked up a lag bolt a couple weeks ago.
 
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