04-06-2016, 07:11 AM | #1 |
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Squealing sound when lightly pressing the brakes
Yesterday when I pulled into the lot at work I heard a squealing sound coming from my brakes. Kind of like the brake wear indicator sound. It only happened once though. This morning I heard it again when I was in a bit of traffic and again when I pulled into the lot.
The car isn't even a month old. :/ Anyway, is this covered? Should be, right?
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04-06-2016, 08:16 AM | #3 |
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Try a the following to remove possible light glazing on rotors: drive on a road with no traffic, at 60mph aggressively apply brakes (but don't activate abs) to a speed of 20mph. Accelerate up to 60mph and do it again....repeated 3- 4 times. Your brakes will be quite warm so drive a few miles without stopping to allow them to cool off. This should remove any glaze on the pads/rotors. If you still have the issue check w/dealer.
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04-06-2016, 08:22 AM | #4 | |
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04-06-2016, 08:23 AM | #5 |
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:/
My wife's Merc had a similar issue. It ended up being some spring or something that's supposed to return the pad to the original position, but it was malfunctioning with low speed/light braking. Basically similar issue in my car. Also, it just started happening. Driving habits haven't changed. Doesn't seem normal to me.
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04-06-2016, 09:13 AM | #6 |
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I've had this on all 3 of my cars. Seemed to be temp related but anytime I mentioned to my service guy they lubed the brakes and the squeal disappeared.
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04-06-2016, 09:21 AM | #7 |
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My car has nearly 9K miles on it now, and it still squeals lightly at times -- even when the rotors are warmed. Based on other threads, it partially has something to do with the OEM pad compound.
Also, don't feel too bad about the squealing ... I had what I think was a small pebble lodged in between my rotor and the pad in the middle of Big Bend National Park a few weeks ago. It made a horrible screeching sound -- only going forward, not in reverse -- and I initially thought I had a serious problem in one of the Continental U.S.' most remote NPs. A hard application of the brakes at about 15mph dislodged the pebble ... and my butt unclenched.
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04-06-2016, 09:22 AM | #8 | |
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04-06-2016, 09:28 AM | #9 |
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Interesting. I wonder if climate has something to do with it; humidity, etc ... I don't have the THP, so it could also be that -- though I'd imagine the M Sport fixed-caliper brakes likely have a slightly more aggressive compound than the standard floating calipers ... ?
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04-06-2016, 09:33 AM | #10 | |
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As far as aggressive pads, I am also surprised at the low level of dust on the MSport brakes.
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04-06-2016, 09:40 AM | #11 |
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From what I've heard it's fairly commonplace.
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04-06-2016, 09:46 AM | #12 |
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That's a great point. I park in a covered garage, but it's open to ambient outside air and not climate controlled. Hmmm ...
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04-06-2016, 10:09 AM | #13 |
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Man, the fact that it's common is disappointing then. I find it to be embarrassing. :/ I'm gonna call the dealer on the way to the gym and see what they say.
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04-06-2016, 10:09 AM | #14 | |
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04-06-2016, 10:19 AM | #15 | |
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But, seriously, I've had squeal in other cars of this caliber, but not this one. I cannot explain it.
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04-06-2016, 11:17 AM | #17 |
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04-06-2016, 11:22 AM | #18 |
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Hmmmm....between noise and dust, this is starting to seem as if there was a pad formulation change at some point in production.
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04-06-2016, 12:18 PM | #20 | |
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04-06-2016, 12:45 PM | #21 |
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I hear this occasionally as well with my 2016 M235i. It's a minor annoyance, and thankfully it doesn't seem to happen often.
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