Differential rattle and rubbing sound - Hemi Truck Club
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Old 06-19-2015, 06:42 PM   #1
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Differential rattle and rubbing sound

Hi, new here. I looked at previous post and didn't find anything about the issue I have. My truck is a 2012 1500 express 4x4 with a 3.92 rear with 15K. I have been having a rattle coming from the rear diff when I drive up a steep incline under load or while towing a trailer under load or in the mountains. It is very loud and sounds like a safety chain has come off and is bouncing off the road. It is loud enough oncoming traffic can hear it. There is no loss in performance other than the tranny hunting gears at low speeds and inclines. Tow/Haul helps.

Took it to the dealer the first year I had it and they said they couldn't duplicate it. Took it again and took the tech with me. Duplicated the sound and he said it may be parking brake. I applied it during the noise and no change. I am taking it back Monday and having them check it out and check the pinion gear because of recall. I love the truck but the BS the dealer and Dodge puts you through sucks. I guess the policy is to have you stranded out towing before they will assume any liability. Pretty Cheesy!! Had issues with my 2010 Challenger and now this one. Love the truck and she is a keeper. Just need to know if anyone else is having this issue. Thanks

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Old 06-19-2015, 08:30 PM   #2
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Check that pinion and also have them check the transfer case
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Old 06-21-2015, 03:35 PM   #3
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Old 12-21-2015, 04:46 AM   #4
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And news?... My '09 Hemi Sport sounds like its doing the same... :/
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Old 05-29-2019, 03:20 AM   #5
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still no update on this one? damn
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Old 05-29-2019, 03:47 PM   #6
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Stay on them if its the pinion nut. I dropped my driveshaft and tore up the rear on my 03 due to it. Mine wasn't included in the stinkin recall though.
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Old 05-30-2019, 12:43 PM   #7
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If you do have to have it repaired, hold onto your receipts so if your truck does fall under a recall, you can get your money refunded.

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