Grinding Sound
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2009-2014 Cadillac CTS-V General Discussion Discussion, Grinding Sound in Cadillac CTS-V Series Forum - 2009-2014; I just noticed when I turn left or right I can hear what sounds like to metal grinding. Has anyone ...
  1. #1
    pVu
    pVu is offline Cadillac Owners Member
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    Grinding Sound

    I just noticed when I turn left or right I can hear what sounds like to metal grinding. Has anyone experienced this issue? I think it's my rotors, but I could be wrong.

    Any suggestions....

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  3. #2
    Trapspeed's Avatar
    Trapspeed is offline Cadillac Owners Connoisseur
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    Grinding, not clicking??

  4. #3
    PNBLWZD is offline Cadillac Owners Fanatic
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    Re: Grinding Sound

    I had a grinding/howling sound coming from the rear differential when I would turn L/R when the car was cold. Had the dif serviced today per the TSB referenced in the rear end symptom thread, and so far the noises are gone and there were no metal chips on the drain plug magnet. I'll know for sure in the morning when it's really quiet outside and the car is totally cold, but so far sounds quiet.

  5. #4
    pVu
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    Re: Grinding Sound

    Trapspeed, it was a clicking sound on Monday and they told me it was my rotors. Today, it's making a
    grinding noise. Idk what it could be.

    Pnblwzd, it sounds like it's coming from the front tire area. Who knows at this point...

  6. #5
    Trapspeed's Avatar
    Trapspeed is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by pVu
    Trapspeed, it was a clicking sound on Monday and they told me it was my rotors. Today, it's making a
    grinding noise. Idk what it could be.

    Pnblwzd, it sounds like it's coming from the front tire area. Who knows at this point...
    I see you're driving an '09. Chances are it never had the additive and refill TSB done which may not be helping. Anything that sounds like grinding from the carrier is leading to a bearing failure sooner than later. Is it still under warranty?

  7. #6
    pVu
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    Re: Grinding Sound

    Yes, but it's actually a 2011.

  8. #7
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    Re: Grinding Sound

    Quote Originally Posted by pVu View Post
    Trapspeed, it was a clicking sound on Monday and they told me it was my rotors. Today, it's making a
    grinding noise. Idk what it could be.

    Pnblwzd, it sounds like it's coming from the front tire area. Who knows at this point...
    Hello pVu,

    I see you have engaged with other forum members in regards to your grinding sound on your vehicle. I apologize for any inconvenience this vehicle issue is causing for you. If you are thinking about bringing your vehicle in for a diagnosis at the dealership, please let me know. I can also check for what is associated with your vehicle if you provide me with your VIN. I can be reached via private message.

    Sincerely,

    Laura M.
    Cadillac Customer Care

  9. #8
    pVu
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    Re: Grinding Sound

    Thank you Laura. I just got it back from my local dealer and he said that my aftermarket headers are causing this issue.

    P.S. You are so helpful, thank you again for everything that you do for us.

  10. #9
    Trapspeed's Avatar
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    Quote Originally Posted by pVu
    Yes, but it's actually a 2011.
    Checked your profile. Thought I saw an '09.

  11. #10
    pVu
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    Re: Grinding Sound

    I will look at my profile.

  12. #11
    Trapspeed's Avatar
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    It's possible I checked the wrong member but I thought I had yours! No worries.

  13. #12
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    Re: Grinding Sound

    Quote Originally Posted by pVu View Post
    Thank you Laura. I just got it back from my local dealer and he said that my aftermarket headers are causing this issue.

    P.S. You are so helpful, thank you again for everything that you do for us.
    Hi pVu,

    You are welcome, and thank you! We are here to help our customers, and I am happy to hear you find us helpful Thanks for updating me on your vehicle. Is the dealer able to fix this issue for you?

    Laura M.
    Cadillac Customer Care

  14. #13
    pVu
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    Re: Grinding Sound

    No, the dealer won't fix because I put those headers on the car.

  15. #14
    PNBLWZD is offline Cadillac Owners Fanatic
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    Re: Grinding Sound

    Why would headers be causing a grinding noise, unless they are rubbing/vibrating on something like the frame? I would suggest getting a second opinion on that diagnosis.

  16. #15
    pVu
    pVu is offline Cadillac Owners Member
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    Re: Grinding Sound

    I was told that the motor shifts from side to side when making turns. The headers are like a few millimeters away from the subframe and the oil something they said. Who knows really?

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