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Tesla x - auto pilot brake makes rock grinding sound when it comes to sudden stop.

Tesla x - auto pilot brake makes rock grinding sound when it comes to sudden stop.

The rock grinding sound from the brake only happens during the auto pilot.
It is perfectly fine when I press the brakes on the normal driving, however during the auto pilot when the vehicle comes to sudden stop, I hear the rock grinding sound and the steering wheel becomes shimmy.
Anyone experience similar situation, please advise.
Thanks.

LikeTesla | 02. Februar 2018

I did observe the same. Lets see if any one posts information on this.

TeslaTap.com | 02. Februar 2018

I have heard of a couple of cases of a small rock getting stuck in the brakes and making a crunching noise, but I don't think it was restricted to AP. I'd take the car in to service and have them look at it.

lorraine.acosta | 04. März 2018

Mine were grinding in normal drive after less than a month. I was told the roters were warped and they were replaced. However, it has continued. I was told to give it 200 more miles and 600 later they still grind. Going back this week to have it checked out again.

Cuttin | 04. März 2018

i don't know if i would call it "rock grinding" but there is definitely more noise and jerkiness when autopilot brakes than when i do. Not always, but for the more sudden braking that it does.

vernellsmith | 06. September 2018

I have the same phenomenon, it sounds like it comes from the left front. It is not minor, it sounds like something seriously wrong in there. I have a recording of it. It is not a rock in the brakes, because it only happens during autopilot.

jake.litwicki | 06. September 2018

I noticed it today, but couldn't replicate it. It only happened once.

jamesgunn1508 | 07. September 2018

the same phenomenon here. this is weird.
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drmjshah | 29. November 2018

I have experienced the same in my 2018 MS. Also only during autopilot ! Any answers ?

davidahn | 29. November 2018

It's the sound of the anti-lock brakes engaging. Happens to ours as well (well, it used to until it was totaled at 3635 miles on the odometer). Seems that AP2.5 brakes a bit too hard, needs to be tweaked.

seranseran1995 | 29. Januar 2019

It's the sound of the anti-lock brakes engaging. Happens to ours as well (well, it used to until it was totaled at 3635 miles on the odometer). Seems that AP2.5 brakes a bit too hard, needs to be tweaked.

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seranseran1995 | 30. Januar 2019

It's the sound of the anti-lock brakes engaging. Happens to ours as well (well, it used to until it was totaled at 3635 miles on the odometer). Seems that AP2.5 brakes a bit too hard, needs to be tweaked.

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jimglas | 30. Januar 2019

troll flagged

can anybody block this troll. he is spamming multiple threads