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alexk
13-04-2011, 11:19 PM
So this is one of my rear RS29 pads for the OEM calipers.

http://img121.imageshack.us/img121/3764/img00778201102262005.jpg

http://img23.imageshack.us/img23/5775/img00864201104111818.jpg

http://img576.imageshack.us/img576/2405/img00865201104111818.jpg

Have you seen something similar ?
It's the first time I see this and have no clue what might have caused it.
All other pads are fine.

s.mac
13-04-2011, 11:22 PM
:119: you did well to spot it

shimmy
13-04-2011, 11:23 PM
Chubby fingers!:smokin:

alexk
13-04-2011, 11:31 PM
:119: you did well to spot it

Well to be honest with you I didn't spot it when they were on the car but after some time (a friend wanted them and checked them thoroughly).
I have AP racing front + rear for more than a year now.

Pip1968
13-04-2011, 11:46 PM
I have Pagid RS29s on my AP kit only for track days and go back to Ferrodo DS2500 on the road. I too noticed a small crack on one of my pads today when swapping them back. The crack was there when I put them on on Thursday for the three days at the Nurburgring. I risked it for a biscuit and went with it and they seemed to last alright. As I said though my crack is not a severe as yours.

Pip

shane@mbtech
13-04-2011, 11:55 PM
I have Pagid RS29s on my AP kit only for track days and go back to Ferrodo DS2500 on the road. I too noticed a small crack on one of my pads today when swapping them back. The crack was there when I put them on on Thursday for the three days at the Nurburgring. I risked it for a biscuit and went with it and they seemed to last alright. As I said though my crack is not a severe as yours.

Pip

Are we still talking about pads??
:hahaha:

They look old to me, fatigue, weather, hold/cold changes. Driving in subzero temps can have an adverse effect like this. And this can happen regardless of mileage.

3wheels3
14-04-2011, 04:37 AM
Sort of, but whole pad seemed to delaminate from backing plate 3 yrs ago. Could feel it happen on't eccles at Anglesey and lucky to get some 'get me home' pads from on track day mechanic guy. Guess these things occasionally happen. But have since tried to have a front/rear spare as it ain't fum driving home on metal!

Bounce
14-04-2011, 07:35 AM
Chubby fingers!:smokin:
:hahaha::hahaha:

_Nathan_
14-04-2011, 08:10 AM
Have they been sat in the garage for a year since you got your APs? Might be caused by damp \ cold etc as Shane said.

alexk
14-04-2011, 09:33 AM
I used them for 10 months, about 10k km on them.
The crack was there when I got them out of the car, I just didn't pay attention.

I have to say that the weather conditions here are a bit extreme and especially back then I would oftenly drive the car with -10 degrees (up to -25 I have seen in Stuttgart).

baldydaz
14-04-2011, 09:42 PM
Sort of, but whole pad seemed to delaminate from backing plate 3 yrs ago. Could feel it happen on't eccles at Anglesey and lucky to get some 'get me home' pads from on track day mechanic guy. Guess these things occasionally happen. But have since tried to have a front/rear spare as it ain't fum driving home on metal!

+1. i always carry a full set of get me home pads

northernjim
15-04-2011, 01:53 AM
Have they been sat in the garage for a year since you got your APs? Might be caused by damp \ cold etc as Shane said.

those were my first thoughts...


I used them for 10 months, about 10k km on them.
The crack was there when I got them out of the car, I just didn't pay attention.

I have to say that the weather conditions here are a bit extreme and especially back then I would oftenly drive the car with -10 degrees (up to -25 I have seen in Stuttgart).

having temperatures that extreme then driving could cause a crack like that, its the obvious weakpoint in the pad just at the end of the pins that hold it all together.....

DuncanR
16-04-2011, 09:24 PM
Chubby fingers!:smokin: You wouldnt want 'em checking ya prostate !:gayfight:

RichW
22-04-2011, 04:45 PM
I've had RS29's crack along the top of the pad like shown in the top photo, and thought you was referring to the same kind of crack until i saw it had actually split in two!

I only used my pads over the course of one summer, i did Nurburgring and Spa with them and put the crack down to heat from having standard brakes on an M3 along with a hot day.

Bounce
22-04-2011, 05:37 PM
You wouldnt want 'em checking ya prostate !:gayfight:PMSL:hahaha::hahaha::hahaha: