Noisy brakes

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4.0 V8 40v biturbo TFSI - 597 bhp (Performance)
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Tux
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Noisy brakes

Post by Tux » Thu May 28, 2020 10:20 pm

Hi All,

Hoping someone can help. I have recently bought my dream car, a 2017 RS6 Avant Performance. It's an outstanding car but the brakes squeal. Particularly noticable with window open at low speed when parking.

The discs are scored and have a fairly significant lip. The pads appear to be more than 50% worn. What are the likely causes? Is it likely to be overly worn discs or could it be something less?

Thanks in advance! :audibash:

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R33
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Re: Noisy brakes

Post by R33 » Sun May 31, 2020 8:29 pm

My brakes did this from pretty much brand new. The only way to temporarily stop them squealing that I’ve found it to get them really hot. A few high speed stops from errrr 70mph should do the trick. Just seems to be an undesirable feature of our brakes, goes for the RS6 too.

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Iain
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Re: Noisy brakes

Post by Iain » Mon Jun 01, 2020 3:34 pm

+1 on the 6 - mine seem squeak when they haven't been used much - as R33 said, a few high speed stops / hard braking solves the problem, squealing also goes away in the rain. :)
2018 Brabus G63 Widestar
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2015 RS6 - with Added Milltek
2015 RRS - utter sh1te
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2007 M3 - car number 2 in the UK
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MikeFish
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Re: Noisy brakes

Post by MikeFish » Mon Jun 01, 2020 6:26 pm

Never had any squeaking with my 2016 Performance in 30k. 2nd set of pads were Ferodo DS2500 and they didn't squeek either.

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R33
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Re: Noisy brakes

Post by R33 » Wed Jun 10, 2020 12:17 pm

You obviously drive yours properly then ;-)

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Brooner
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Re: Noisy brakes

Post by Brooner » Wed Jun 17, 2020 8:02 am

Yep that's the problem
Slow stop start traffic tends to build up pad deposits on the disk and leads to squeaking and when light braking at speed will give vibration at the wheel
Ok ive not had a RS7 but had RS4s since 2000 and never had any issues with the brakes vibrating occasionally ill start to get a squeak
But a good blast and some hard braking clears it up
https://www.zeckhausen.com/catalog/inde ... =6446_6443
I use the above method every time i change my disks and have had no issues for the last 20 years on all my RS4s
Hope this helps
2018 B9 RS4 Navarra Blue
2013 B8 RS4 Sepang Blue
2007 B7 RS4 Avant Sprint Blue
2001 B5 RS4 Nogaro Blue
1998 B5 S4 Avant Kingfisher Blue
1993 B4 S2 Avant laser Red

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MikeFish
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Re: Noisy brakes

Post by MikeFish » Wed Jun 17, 2020 11:26 am

R33 wrote:
Wed Jun 10, 2020 12:17 pm
You obviously drive yours properly then ;-)
Was that for me or OP? Yes driving properly might stop them squeaking.

Also, I think this was meant to go in the RS6 forum rather than RS7. Might have had more responses in the busier RS6 forum.

joshviiv
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Re: Noisy brakes

Post by joshviiv » Wed Nov 02, 2022 3:24 am

Common issue - as noted before, get up to 100-110kmph on a empty piece of highway and JAM on your brakes, almost come to a complete stop - repeat 2 more times. Then coast and dont touch the brakes at all for as long as you can, let them cool right down.

That'll fix it for a few weeks then you'll have to do it again :D

one80
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Re: Noisy brakes

Post by one80 » Sat Jul 01, 2023 12:06 am

Pads will typically squeal when worn down - some worse than others (e.g. the OEM Brembo's)
They'll also develop a deposit/glazing from city driving.

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