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Thread: Intermittent humming noise while coasting

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    ThatsaCummins4ya's Avatar

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    Intermittent humming noise while coasting

    Hey guys, I’ve been experienced a humming noise while coasting. I notice it’s the loudest at about 30mph but can still hear it when I let off the throttle coasting at higher speeds, I can feel I fine in vibration in the gas pedal during the humming which also comes and goes with the noise.

    There’s also a high pitched more consistent noise when cruising in 4th gear. Almost like the sound of big knobby tires on the highway, but I have m/t tires.

    What could it be? Wheel hub? Driveline? Transmission?


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    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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    david3gen's Avatar

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    Re: Intermittent humming noise while coasting

    Sounds like tires to me.


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    2006 dodge ram 2500 laramie crew cab 5.9 cummins. 10x20 et-24 fuel offroad with 275.60r20 tires. bully dog gt tuner. 48re ATS built tranny triple disc converter ATS oilpan and transgo quick shifter. 4" turbo back exhaust. brembo discs and pads

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    ThatsaCummins4ya's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by david3gen View Post
    Sounds like tires to me.


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    I sure hope not, just got the Toyo m/t tires in January and It’s a dually, so it wasn’t cheap! Lol but they do need to be rotated.


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    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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    ThatsaCummins4ya's Avatar

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    Intermittent humming noise while coasting

    I think it’s got too much of a rubbing/metal friction sound to be tires. Seems to be getting slightly louder as the days go by.


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    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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    Here to protect and serve! watersupply189's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by ThatsaCummins4ya View Post
    I think it’s got too much of a rubbing/metal friction sound to be tires. Seems to be getting slightly louder as the days go by.


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    Wheel bearing going bad?


    2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, 35x12.50 Nitto G2, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 Ram 3500 4x4 Laramie Crew Cab
    Cummins, G56, Rough Country Leveling, Morimoto LED fog lights ,35W HID headlights, Lund Attitude Step Bars Sprayed Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak, Fuel Vapor Wheels Matte Black w/ Dark Tint, A.R.E. Truck cap,
    2015 Jeep Grand Cherokee Limited 4x4
    Past- 2014 Ram 1500 4x4 Lone-Star Eco Diesel

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    ThatsaCummins4ya's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by watersupply189 View Post
    Wheel bearing going bad?


    2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, 35x12.50 Nitto G2, HID headlights, Morimoto LED fogs plus a whole lot more!
    That might be it, but doesn’t seem to be isolated to a certain wheel and it’s most prominent when it’s in 4th gear coasting to a stop. (auto 68rfe)


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    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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    Booch035's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by ThatsaCummins4ya View Post
    That might be it, but doesn’t seem to be isolated to a certain wheel and it’s most prominent when it’s in 4th gear coasting to a stop. (auto 68rfe)


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    Any luck locating the noise?

    I'm running st maxx's on my dually and depending on the road surface they can hum a little.

    2019 3500 Big Horn Dually, 6.7L Cummins, 68rfe, 255x80x17 St Maxx's.

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    Basic Member 03 unicorn's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by ThatsaCummins4ya View Post
    I sure hope not, just got the Toyo m/t tires in January and It’s a dually, so it wasn’t cheap! Lol but they do need to be rotated.


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    The first thing I would do is rotate your tires because you said it needs to be done anyway. If that is not the hum you are hearing then crawl under to look and feel if anything is loose. While you are up in the air rotating your tires is a good time to see if there is any drive line slop. I hope you figure it out soon.


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    ThatsaCummins4ya's Avatar

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    Re: Intermittent humming noise while coasting

    Quote Originally Posted by Booch035 View Post
    Any luck locating the noise?

    I'm running st maxx's on my dually and depending on the road surface they can hum a little.
    No not yet, i haven’t done anything to check it out honestly. It’s not a consistent hum though, it’s almost like a grinding/rubbing that goes in and out. That’s the only way I know to describe it. I didn’t want to say grinding cuz it’s not really that harsh of a sound.

    I did notice it seems a bit quieter when the TC is locked. But when it unlocks and I’m just coasting to a stop in 4th is the loudest.


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    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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    ThatsaCummins4ya's Avatar

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    Re: Intermittent humming noise while coasting

    I do have balancing beads as well, do those cause any noise?


    Sent from my iPhone using Tapatalk

    2012 Ram 3500. Full delete. H&S mini maxx. NextGen valvebody. Fuel Maverick wheels, Toyo MT tires. 35/12.5/20. Amp power steps.

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