I have a 2020 Ram 1500 Laramie and I started hearing a humming sound coming from the rear end. Took the truck in and they said they needed to change the ring and pinion gear. The dealership cannot get the part and they have had my truck since March 15. Has anyone else had this issue?
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Rear Diff
- Thread starter hayeste29
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Fatherof3
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Welcome to the forum . I haven't heard about that before but that doesn't mean it hasn't happened . The part shortage really sucks . I've heard wait times are huge through all manufacturers lately .
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Hopefully they have given you a loaner vehicle, and you have worked out a deal with @RamCares about making your payments for you while it's been sitting at dealer.
RamCares
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Hey there!
If you haven't started a case with us and would like to, please send us a direct message!
Callie
Ram Cares
sopmodblock2
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Yep. My rear diff got rebuilt 6.5k miles ago and it’s about to get rebuilt again. Noise started VERY slightly about a week ago and has now escalated and can’t hear my own thoughts.
Insanely frustrating. I had to wait 3-4 weeks for the initial rebuild to be complete and i’m sure it isn’t going to be better this go round.
Insanely frustrating. I had to wait 3-4 weeks for the initial rebuild to be complete and i’m sure it isn’t going to be better this go round.
2019 1500 Limited here with 3.92 rear axle.
I'm having (I think) the same problem and was told it is the same culprit. The sound is hard to describe other than being a humming or whining sound that gets louder with speed, coming from the rear end. The dealer looked at the vehicle today and called to let me know the ring gear is failing in the rear diff. Thankfully I have an extended warranty that will cover the repairs after a $200 deductible. They also want to go ahead and replace the remaining drive train fluids. Some parts are on back order so we'll see how long it takes to repair.
Kinda strange this is failing with only 66k miles on the vehicle. I just about never tow with the vehicle (shouldn't have bought the gear upgrade). Not sure if it's relevant but have done mild off-roading occasionally.
I'm having (I think) the same problem and was told it is the same culprit. The sound is hard to describe other than being a humming or whining sound that gets louder with speed, coming from the rear end. The dealer looked at the vehicle today and called to let me know the ring gear is failing in the rear diff. Thankfully I have an extended warranty that will cover the repairs after a $200 deductible. They also want to go ahead and replace the remaining drive train fluids. Some parts are on back order so we'll see how long it takes to repair.
Kinda strange this is failing with only 66k miles on the vehicle. I just about never tow with the vehicle (shouldn't have bought the gear upgrade). Not sure if it's relevant but have done mild off-roading occasionally.
That is a good point that I need to get some clarification on.
Edit: Actually looks like I'm just past the mileage limit for the powertrain limited warranty.
Last edited:
bigdodge
Happy Ram Owner
what year is your truck?
sopmodblock2
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2021 Laramie 4x4 w/ ORP. 3.92’s and locker. Bought it brand new, and just hit 78k today. It’s had TWO rebuilds now, and the noise is back under 5k miles since the 2nd rebuild.
All interstate miles with no towing. Only used the locker MAYBE 15 times.
All interstate miles with no towing. Only used the locker MAYBE 15 times.
