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Metal Brake Noise?

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Old 11-26-2011, 12:04 PM
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2020 G63, 2021 E450 All-Terrain Wagon
Metal Brake Noise?

Whenever I tap on the brake pedal, it sounds like metal banging against metal. After this initial noise, when I step further into the brake pedal, the noise goes away. The noise only comes when I step approximately 1/4 of an inch into the brake pedal. During this quarter of an inch when I'm stepping in the brake pedal, the car doesn't slow down; the only thing that happens is the metal clunking noise. Does anyone have any ideas of what's going on??? Thanks
Old 11-27-2011, 07:25 PM
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2020 G63, 2021 E450 All-Terrain Wagon
260 views...any ideas? Your help is much appreciated
Old 11-28-2011, 02:46 AM
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BMW X6 Activehybrid
i dont have a problem stopping, but when i start driving the car the first time during the day, my brakes make a really loud screeching. after driving for a few minutes the noise is gone, its very annoying, my mechanic didnt see any problem, even after cleaning the brakes.
Old 06-18-2017, 01:26 AM
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2011 GL 550, 2010 MB S550, 2004 BMW 645Cic 1988 Corvette
Originally Posted by amaycg
Whenever I tap on the brake pedal, it sounds like metal banging against metal. After this initial noise, when I step further into the brake pedal, the noise goes away. The noise only comes when I step approximately 1/4 of an inch into the brake pedal. During this quarter of an inch when I'm stepping in the brake pedal, the car doesn't slow down; the only thing that happens is the metal clunking noise. Does anyone have any ideas of what's going on??? Thanks
/
Did you ever figure out what this was? I have the same thing happening to my car.
Old 06-18-2017, 10:03 PM
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alx
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It is usually a sticking rear caliper. If calipers are ok it is the abs unit.

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