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  #1 (permalink)  
Old Jan 28th, 2014, 08:27 PM
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Strange Braking Noise

Hi All, wonder if you can help. We have an 08 R56 Mini One 1.4, this has recently started to make a strange noise when braking.

The noise is from the Rear.

The best way I can describe the noise is its as if you are driving over rumble strips, this only happens when braking from around 20mph and gives a physical feel as though you are actually going over bumps aswell as the noise.

First thought was an egg in the tyre, but it doesn't make the noise/feel all the time only under braking, then I thought Brake Pads, it does grind a little but not all the time, are the wear indicators designed to make this feel/noise.

Thanks in advance,
Andy
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Old Jan 28th, 2014, 08:49 PM
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Seems to be the pads to be fair

I hope you havent brought cheap pads as i have seen pads crack or break in half

Have you checked you disc as well?

Might sound stupid but check all your lugs/bolts in your wheels are tight
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Old Jan 29th, 2014, 05:32 PM
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Hi AMAUTOS7, thanks for your reply, funny you should mention lugs, the same thing went through my mind today, haven't bought pads yet but will be purchasing Bosch parts.

Wife is home now so shall go out and check wheel bolts.
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Old Jan 29th, 2014, 05:39 PM
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Wheel bolts are all tight, must be pads, just an unusual noise that i've never heard before in 30yrs of looking after cars, as I say just like you've gone over a rumble strip, thud.... thud.... thud with the revolution of the wheels.
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Old Feb 11th, 2014, 04:04 PM
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I have a slight knocking noise that only seems to occur at sub 20mph speeds and sometimes when under braking too.

After spending a while underneath with a torch, I think its the rear anti roll bar bushes. At first look, the ones fitted at the moment look ok. However after buying some new ones from the main dealer for 8 a pair, if you compare the old and new ones, the old are definitely well worn and even the smallest amount of wear can cause a fair bit of play. I'm hoping that resolves my issue. May be a similar issue for you?
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Old Feb 14th, 2014, 11:44 AM
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Check the vacuum hoses from the solenoid to the throttle body for cracks/splits.
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Old Mar 4th, 2014, 11:38 AM
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White Cooper Warped Discs?????

Is there any chance the discs are a little warped? (how many miles ya got) I agree with another reply you got, make sure the pads are Mini pads or up to Mini specs/requirements & stats. The great pad and disc quality are one of the reasons why a Mini can brake so good and offer such great feed back to the driver via the pedal! Hope ya get it figured out...
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Old Apr 18th, 2014, 09:21 AM
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Noises are hard or not.I would expect a brake issue to squeak not really noise or may be break pads are lose that's why the noise is emitted or may be its emitted in the tire..
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Old Apr 18th, 2014, 05:22 PM
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You say the brakes do grind a little but not all the time? They shouldnt "grind" any of the time and thats part of whats wrong I would think??
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Old Jul 30th, 2014, 02:46 PM
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Hi All

It almost sounds like the ABS is trying to kick in.

Can you confirm if you have had any lights on the dash?

I would check for the wheel sensors, as sometimes they could go out, causing wierd grinding sounds.

Kush

let us know how you get on
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