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Discussion in 'Model S' started by tranph, Aug 4, 2016.
Anyone suffers from popping sound coming from AP while they break? Is that normal?
I hear a popping sound occasionally (almost like a rock hitting the windowsill), but haven't associated it with AP. I will pay closer attention
There is a thunk nearly every time TACC brakes at slow speeds to a stop in my car. Not sure if it's normal. I don't think I hear it at higher speeds but road noise may be masking it.
wow AP breaks? Or did you mean brake?
I hear a noise as well when AP brakes or slows down significantly. It's kind of like a declining rattling noise. The most similar noise is a roulette ball slowing down on the wheel, just before it settles.
Only AP though. When I pump the brakes, no noise.
Yep, this is exactly what I hear.
I hear the same. Sounds like its coming from behind the brake pedal or behind the left front fender.
I believe it is the spring-loaded brake pedal rattling a bit, when your foot isn't on it and it is actuated at a certain level by AP as mentioned above. Normal in our builds it seems and predictable in my particular car.