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Thread: RS3 squeaky brakes

  1. Default

    Quote Originally Posted by r322rs3 View Post
    Is the noise coming from the rear or front (like pickles noted)? Ive mentioned in another thread about a clunking noise coming from the
    rear of my car. My haldex pump failed a little while ago and the noise went away. Once the pump was replaced the noise started again.
    It is becoming much more frequent too as it only used to occur after long periods of being stationary (ie first thing in the morning).
    So let me get this straight. Clunking is good or bad?

  2. Default

    Quote Originally Posted by mirohontas View Post
    So let me get this straight. Clunking is good or bad?
    How could it possibly be good?
    Pickles.

  3. Default

    Quote Originally Posted by mirohontas View Post
    So let me get this straight. Clunking is good or bad?
    I'd suggest it is bad. My point was that in my case I believe it is related to the Haldex system and that the noise
    might be a symptom of a failing part.

  4. #144

    Default

    Dude all big brakes squeal. Iv had ap racing and Brembo 4 pots 6 pots on my past rides and they all squeal. Depending on how much brake grease and humidity in the air your gonna get squeal now and then. It's just the pads resonating on the rotor it's nothing to worry about. Only way to get rid of it is take the pads out, give the calliper and pads a good clean and apply a decent amount of grease. You can get some stuff from repco that works like a cement that gets rid of squeal. Or change ya pads to a softer and less metal content if possible


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  5. Default

    Not so my friend, not so at all.
    Prior to owning the RS3 we've owned a new C63, and also a HSV VZ GTO with the optional AP 6 spot brakes,....nil squeal on either.
    Pickles.[QUOTE=TYR382;461491]Dude all big brakes squeal. Iv had ap racing and Brembo 4 pots 6 pots on my past rides and they all squeal. Depending on how much brake grease and humidity in the air your gonna get squeal now and then. It's just the pads resonating on the rotor it's nothing to worry about. Only way to get rid of it is take the pads out, give the calliper and pads a good clean and apply a decent amount of grease. You can get some stuff from repco that works like a cement that gets rid of squeal. Or change ya pads to a softer and less metal content if possible

  6. #146

    Default

    [QUOTE=Pickles;461495]Not so my friend, not so at all.
    Prior to owning the RS3 we've owned a new C63, and also a HSV VZ GTO with the optional AP 6 spot brakes,....nil squeal on either.
    Pickles.
    Quote Originally Posted by TYR382 View Post
    Dude all big brakes squeal. Iv had ap racing and Brembo 4 pots 6 pots on my past rides and they all squeal. Depending on how much brake grease and humidity in the air your gonna get squeal now and then. It's just the pads resonating on the rotor it's nothing to worry about. Only way to get rid of it is take the pads out, give the calliper and pads a good clean and apply a decent amount of grease. You can get some stuff from repco that works like a cement that gets rid of squeal. Or change ya pads to a softer and less metal content if possible
    I'm not saying your always going to get it. My point is big brakes will squeal time to time. My TTRS 4 pots are quite as a mouse but my r34 gtr brembo 2 pot rears squeal like a pig. It mostly comes down to compound and rotor. Some pads just don't sing well with certain rotors. For instants I had a legacy B4 while back with brembo pads and rotors and squeal all day all night no matter what. Changed out the rotors with DBA 2000 set and all went away.

    Another very important thing to mention is pad shims. Some brembo like the F40 2 pots don't require shims which is the cause for squeal. If the RS3 don't come with shims then there is your answer.


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  7. Default

    Pad "shims"?....Some on here have said "dampers" correct the problem?....Are they the same thing, & how do they work?..We've had the "grease", which fixed the issue for maybe ten days, after which, it returned.
    Pickles.[QUOTE=TYR382;461506]
    Quote Originally Posted by Pickles View Post
    Not so my friend, not so at all.
    Prior to owning the RS3 we've owned a new C63, and also a HSV VZ GTO with the optional AP 6 spot brakes,....nil squeal on either.
    Pickles.

    I'm not saying your always going to get it. My point is big brakes will squeal time to time. My TTRS 4 pots are quite as a mouse but my r34 gtr brembo 2 pot rears squeal like a pig. It mostly comes down to compound and rotor. Some pads just don't sing well with certain rotors. For instants I had a legacy B4 while back with brembo pads and rotors and squeal all day all night no matter what. Changed out the rotors with DBA 2000 set and all went away.

    Another very important thing to mention is pad shims. Some brembo like the F40 2 pots don't require shims which is the cause for squeal. If the RS3 don't come with shims then there is your answer.


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  8. #148

    Default

    Mine received new discs and pads front and rear before I collected it..It was noisy for the first 500km and thereafter (a further 1500km now), it's rare to hear anything and if there is a squeak, it's quiet and brief.
    Cat. red RS3, PP and assist and a MY16 Golf GTI....

  9. #149

    Default

    [QUOTE=Pickles;461509]Pad "shims"?....Some on here have said "dampers" correct the problem?....Are they the same thing, & how do they work?..We've had the "grease", which fixed the issue for maybe ten days, after which, it returned.
    Pickles.Iv never heard anyone call them "dampers" but yes I think we are talking about the same thing. Shims are used to eliminate any small movement between the pad and piston. If not installed correctly (90%of the time there not) it will result in excessive noise. I had a set of Nismo type R pads that never came with shims and driving me mad. I eventually used the OEM shim set and it solved the problem. So again some times manufacturers don't require them.


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  10. The Following User Says Thank You to TYR382 For This Useful Post:

    Pickles (October 14th, 2017)

  11. Default RS3 squeaky brakes

    Audi have these frequency "dampers" they screw onto the caliper - tuned to the squeal frequency. It's a cheat but works. They recorded my squeal "frequency" and sent for the appropriate "damper". Worked a treat.

    I agree though - quite a lot of effort and engineering for something that on other squealing brakes a $10 shim fixes.


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    Last edited by matt.furse; October 16th, 2017 at 06:36 PM.

  12. The Following User Says Thank You to matt.furse For This Useful Post:

    Seanix (October 17th, 2017)

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