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Thread: 2018 RAM 2500 - Rear End Noise?

  1. Top Of Page | #1
    That_lb_6.7's Avatar

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    2018 RAM 2500 - Rear End Noise?

    Wheel has no play in it.

    Truck never sits longer than a day.

    Only does it in D.

    Nothing gets hot.

    Nothing smells hot.

    Any ideas?


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  3. Top Of Page | #2
    timshooter40's Avatar

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    2018 RAM 2500 - Rear End Noise?

    When is the last rear diff oil change?

    If you have been in water lately, you could have some water in diff.

    Pull the plug and check for color and smell.

    I would start there.

    Check shock mounts, the spare tire is tight up in the frame.

    2016 Ram 2500 CCSB 4X4 ,Cat fuel filter delete with water seperator. Thuren suspension
    with Fox IFP shocks, thuren sway bar, rear track bar and front track bar, Warn 12k winch , custom winch mount, REVMAX trans pan,HD valve body and thermal bypas. Leer truck topper,Exotic head studs, Engine enhancements by the cummins whisper.

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  5. Top Of Page | #3
    Watch Dog! Corkey's Avatar

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    2018 RAM 2500 - Rear End Noise?

    Check the rear u-joints on the drive shaft.

    II 60HP STICKS, II 33% CP3, II S464 2ND GEN SWAP, FASS 165 TITANIUM SIGNATURE SERIES, AFE INTAKE HORN, S&B FILTER, 5" TURBO BACK, ALPHAREX HEAD LIGHTS, 38X13.5X20 RAZOR M/T, MOTO METAL RIMS, 6" LA LIFT KIT, COMPLET MM3 KIT, BUILT TRANSMISSION, 6 BOLT REDHEAD STEERING BOX

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  7. Top Of Page | #4
    I WILL STAND! AK Bob's Avatar

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    2018 RAM 2500 - Rear End Noise?

    What kind of noise, clunk, growl, or whine?

    Only when you first put the transmission in drive or while driving?

    If while driving, under load or no load?

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  9. Top Of Page | #5
    That_lb_6.7's Avatar

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    2018 RAM 2500 - Rear End Noise?

    Quote Originally Posted by AK Bob View Post
    What kind of noise, clunk, growl, or whine?

    Only when you first put the transmission in drive or while driving?

    If while driving, under load or no load?
    Squeaking noise.

    Under load and when coming to a stop.

    Nothing in reverse.

    I suspect my wheel bearing is the culprit.

    I took the parking brake assembly off to confirm it wasn’t the brakes.


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  11. Top Of Page | #6
    I WILL STAND! AK Bob's Avatar

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    2018 RAM 2500 - Rear End Noise?

    Quote Originally Posted by That_lb_6.7 View Post
    Squeaking noise.

    Under load and when coming to a stop.

    Nothing in reverse.

    I suspect my wheel bearing is the culprit.

    I took the parking brake assembly off to confirm it wasn’t the brakes.
    Since it’s directional and under load, I still wouldn’t rule out the possibility of the rear U-joint either.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  13. Top Of Page | #7
    That_lb_6.7's Avatar

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    Re: 2018 RAM 2500 - Rear End Noise?

    Quote Originally Posted by AK Bob View Post
    Since it’s directional and under load, I still wouldn’t rule out the possibility of the rear U-joint either.
    I got someone to get under the truck for me, and we have pinpointed it to the rear u-joint or in the diff itself.

    Pulling the cover off now to inspect.

    Hopefully, I don’t get a shiny surprise.


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  15. Top Of Page | #8
    That_lb_6.7's Avatar

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    Re: 2018 RAM 2500 - Rear End Noise?

    Quote Originally Posted by AK Bob View Post
    Since it’s directional and under load, I still wouldn’t rule out the possibility of the rear U-joint either.
    The Fluid looked new and had no shiny bits.

    I did see some bubbles on the ring gear.

    Smells like good gear oil as well.


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  17. Top Of Page | #9
    That_lb_6.7's Avatar

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    Re: 2018 RAM 2500 - Rear End Noise?


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  19. Top Of Page | #10
    MOD watersupply189's Avatar

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    Re: 2018 RAM 2500 - Rear End Noise?

    How many miles do you have on that diff fluid?

    As AKBob stated, I wouldn’t rule out the U-joint.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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