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Thread: Drone getting louder with speed.

  1. #1
    Stoneybroke is offline Cadillac Owners Member
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    Drone getting louder with speed.

    I drive a 2010 AWD 3.6 wagon. Today, I noticed a drone that seemed to originate in the rear of the car. First thought it was tire noise, but got onto some new, perfectly smooth pavement and the noise was still
    there. It was quite obvious at 55mph and almost a howl at 75. No vibration and ride and steering seemed normal. Ideas?


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    Jschmank's Avatar
    Jschmank is offline Cadillac Owners Fanatic
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    Re: Drone getting louder with speed.

    wheel bearing possibly.

  4. #3
    tinman's Avatar
    tinman is offline Cadillac Owners Master
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    Re: Drone getting louder with speed.

    How old are your tires? They can sometimes cause the loud drone as they wear down. Depends on the tread pattern. While I don't believe this is the cause it is a consideration. Wheel bearing issue first, differential second, driveshaft or u-joint, pavement.

  5. #4
    sdobert's Avatar
    sdobert is offline Cadillac Owners Member
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    I had this same issue a few months back on the right rear and took it into the dealer. They found that it was a wheel bearing. They replaced the entire hub and fixes the problem.

  6. #5
    Stoneybroke is offline Cadillac Owners Member
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    Re: Drone getting louder with speed.

    37K on the tires. Time to call my dealer. Thankfully, car is certified.

  7. #6
    tinman's Avatar
    tinman is offline Cadillac Owners Master
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    Re: Drone getting louder with speed.

    If you have the OEM tires I doubt that is the problem. I had some PS2's that got worn down and THEY WERE LOUD.

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    Quote Originally Posted by Stoneybroke View Post
    I drive a 2010 AWD 3.6 wagon. Today, I noticed a drone that seemed to originate in the rear of the car...
    The good thing is the President is also trying to get rid of Drones on a daily basis, so maybe between the two of you it can get figured out.

  8. #7
    C "T" ess's Avatar
    C "T" ess is offline Cadillac Owners Connoisseur
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    Re: Drone getting louder with speed.

    It has all the classic signs of a wheel bearing especially since you are not getting ride feedback.
    By the way I bet you are glad to be up there. It's been in the 90's everyday with a heat index above 100. Combined with heavy rain every afternoon. Say hi and I hope you get your problem resolved with no problems.

  9. #8
    tinman's Avatar
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    Re: Drone getting louder with speed.

    Humidity? What humidity? We don't have no stinking humidity!

  10. #9
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    Re: Drone getting louder with speed.

    Quote Originally Posted by Stoneybroke View Post
    I drive a 2010 AWD 3.6 wagon. Today, I noticed a drone that seemed to originate in the rear of the car. First thought it was tire noise, but got onto some new, perfectly smooth pavement and the noise was still
    there. It was quite obvious at 55mph and almost a howl at 75. No vibration and ride and steering seemed normal. Ideas?
    Hello Stoneybroke,

    I see you are looking to contact your dealership in regards of this issue you are experiencing. If you would like me to stay involved throughout the process, please let me know. I can be reached via private message. Keep me informed with the outcome of your situation and if it is able to be fixed.

    Sincerely,

    Laura M.
    Cadillac Customer Service

  11. #10
    hauler's Avatar
    hauler is offline Cadillac Owners Enthusiast
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    Re: Drone getting louder with speed.

    Quote Originally Posted by Stoneybroke View Post
    I drive a 2010 AWD 3.6 wagon. Today, I noticed a drone that seemed to originate in the rear of the car. It was quite obvious at 55mph and almost a howl at 75. No vibration and ride and steering seemed normal. Ideas?
    I had a Tbird that did that. The dealer even took the dif apart looking for it. The factory rep found it, a badly mounted exhaust shield hanging in the undercar airstream.

  12. #11
    Stoneybroke is offline Cadillac Owners Member
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    Re: Drone getting louder with speed.

    Dealer replaced the right rear hub/bearing assembly today under warranty. All is well. First real mechanical problem I've had.

  13. #12
    typo681 is offline Cadillac Owners Member
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    Re: Drone getting louder with speed.

    I had the same problem with my CTS a few weeks ago. Drone/Hum from right rear wheel from 40-80mph. No vibration. Took it in and it was also the wheel bearing (covered under my GM Protection Plan).

  14. #13
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    Re: Drone getting louder with speed.

    Quote Originally Posted by Stoneybroke View Post
    Dealer replaced the right rear hub/bearing assembly today under warranty. All is well. First real mechanical problem I've had.
    Hi Stoneybroke,

    Glad to hear the dealer was able to replace the part and solve your issue. If there are any other issues or problems that arise, don't hesitate to reach out to us.

    Regards,

    Laura M.
    Cadillac Customer Service

    ----------

    Quote Originally Posted by typo681 View Post
    I had the same problem with my CTS a few weeks ago. Drone/Hum from right rear wheel from 40-80mph. No vibration. Took it in and it was also the wheel bearing (covered under my GM Protection Plan).
    Hello typo681,

    I am happy to hear you were able to get your vehicle issue diagnosed and fixed by the dealership. Don't hesitate to contact us in the near future if any other problems or concerns come up.

    Sincerely,

    Laura M.
    Cadillac Customer Service

  15. #14
    like2drive's Avatar
    like2drive is offline Cadillac Owners Fanatic
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    Re: Drone getting louder with speed.

    I will need new tires soon. I'm still running the OEM Michelin Pilot 17" since new. Almost 60,000 miles.
    Last week, I noticed that I hear a drone coming from the rear end of the car, more noticeable at higher speed. Based on this thread and few others, it could be a wheel bearing, the drive shaft...? I might also be suspecting a tire, since I have about 4 or 5/32 thread left. Do tires become louder as they wear? I would think yes, but just want your opinions guys!

    Anyway, I might have this checked sometime next week, as if it is a bearing or drive shaft, the powertrain warranty should cover it, right?

  16. #15
    tinman's Avatar
    tinman is offline Cadillac Owners Master
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    Re: Drone getting louder with speed.

    I had a set of PS2's. When they wore down they were the loudest tires I ever owned.

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