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Brake judder
Posted: Sun Mar 16, 2014 9:25 pm
by jds67
Hi guys
In the last three months I have had new discs and pads fitted and during the last two weeks the car has developed a slight brake judder through both the steering wheel and pedal. Any ideas what this could be.
Cheers
Jarrod.
Re: Brake judder
Posted: Sun Mar 16, 2014 11:41 pm
by V8mark
From my recent experiences I would say you need to strip the brakes down and see what's going on. My issue for example was corrosion under the plates the pads slide on which trapped the pads causing hot spots as the pads didn't release correctly. You could measure the runout if you have the kit, but as most don't, if you are handy with the tools I'd get stripping and cleaning
This will now be at lest an annual event for me!
Cheers
Re: Brake judder
Posted: Mon Mar 17, 2014 7:15 pm
by RichT128
If you do a search there are several long and very helpful threads on this - I had this problem too - good luck!
Re: Brake judder
Posted: Mon Mar 17, 2014 9:21 pm
by R1RS4
V8mark wrote:From my recent experiences I would say you need to strip the brakes down and see what's going on. My issue for example was corrosion under the plates the pads slide on which trapped the pads causing hot spots as the pads didn't release correctly. You could measure the runout if you have the kit, but as most don't, if you are handy with the tools I'd get stripping and cleaning
This will now be at lest an annual event for me!
Cheers
+1
I am just doing my fronts, very difficult to get the pads out
As you say corrosion under the end plates shutting down the free play on the pads
I removed the single end bolts flexed the end plates clear and removed all the debri/stroke corrosion, filed nice and flat then coated with high melt copper slip, folded back fitted new button heads ( cannot get from the stealers) as the bolts/ screws are from the calliper kit.
The pads move nice and freely now
I will be doing yearly too
Re: Brake judder
Posted: Tue Mar 18, 2014 9:29 am
by ASH555
R1RS4 wrote:V8mark wrote:From my recent experiences I would say you need to strip the brakes down and see what's going on. My issue for example was corrosion under the plates the pads slide on which trapped the pads causing hot spots as the pads didn't release correctly. You could measure the runout if you have the kit, but as most don't, if you are handy with the tools I'd get stripping and cleaning
This will now be at lest an annual event for me!
Cheers
+1
I am just doing my fronts, very difficult to get the pads out
As you say corrosion under the end plates shutting down the free play on the pads
I removed the single end bolts flexed the end plates clear and removed all the debri/stroke corrosion, filed nice and flat then coated with high melt copper slip, folded back fitted new button heads ( cannot get from the stealers) as the bolts/ screws are from the calliper kit.
+2 Audi failed to spot this on 3 occasions
, blaming me and my driving style
, had the capliers clean and the discs taken off and skimmed, all good now, i to will have them checked/cleaned every 6-12 months
The pads move nice and freely now
I will be doing yearly too
Re: Brake judder
Posted: Tue Mar 18, 2014 9:04 pm
by R1RS4
The stealers would not go into that much detail
So important to keep an eye on the braking system
Also where possible when parking for any length of time, don't apply the brakes and hand brake as the moisture gets trapped between pads and disks, we have all heard it when you then pull away and you hear the donk! When the pads are stuck.
I now reverse up to a block on the drive without braking and turn it off and put it in gear, no clonking and no marking on the discs, all helps