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“Clunk” sound on stop

Discussion in 'Model 3' started by codeoverride, Jun 28, 2020.

  1. codeoverride

    codeoverride Member

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    When maneuvering at low speed, sometimes I hear a “clunk” sound as the car stops. It happens both in Drive and Reverse but not always. Service Center has been unable to fix. Video for reference: https://youtu.be/mb7Dvk6eVLA
     
  2. RayK

    RayK Active Member

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    Brake caliper(s)? Are you actively pressing on the brake pedal or relying upon one-pedal driving mode?
     
  3. codeoverride

    codeoverride Member

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    It happens when I press on the brake to come to a full stop
     
  4. rdskill

    rdskill Member

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    I hear it sometimes when then car auto halts and sometimes when I brake the car. Very noticeable when I tried to creep forward so I am not the jerk 1/2 a car length from the person in front of me.
     
    • Like x 1
  5. TX_M3P+

    TX_M3P+ Member

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    Yeah, I notice this occasionally when using Auto Steer or when trying to move closer than where the car naturally stops. I also feel some feedback on the brake pedal when the "clunk" noise is heard.
     
  6. codeoverride

    codeoverride Member

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    Sounds like maybe I’m not the only one. Just to be clear, this is a different, louder sound than the small click we hear from the regen full stop auto brake.
     
  7. XLR82XS

    XLR82XS D M C

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    That sounds similar to the click/thud I experience when accelerating from a STOP while going straight or turning sharp at driveway and parking lot speeds.
     
  8. Gasaraki

    Gasaraki Active Member

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    Your physical brakes must not have been used much. When you do go to use them they might make noise and grip differently? This is from my ICE car.
     
  9. codeoverride

    codeoverride Member

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    I turned regen to low a while back and used the brakes more for a few days to see if it helped but didn’t seem to make a difference
     
  10. codeoverride

    codeoverride Member

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    Haven’t encountered those issues
     
  11. dave999z

    dave999z Member

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    I hear a clunk sound when stopping mode is set to Hold (which also automatically engages Vehicle Hold when you come to a stop). Sometimes if I'm on autopilot and traffic is crawling around 1-5 mph, it keeps annoyingly clicking on and off. Not sure if that's the same sound you're hearing.
     
  12. codeoverride

    codeoverride Member

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    That is a different sound and normal :)
     
    • Like x 1
  13. dave999z

    dave999z Member

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    I don't know what it sounds like from outside the car (I'm always inside the car), but based on the OP's video, I think that could possibly be what it is. Because it's happening right as the car approaches 0 mph. Just a thought.
     
  14. codeoverride

    codeoverride Member

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    I know what you mean but it’s definitely not the same sound. The regen full stop sound is a light click, this is more of a “thunk!”
     

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