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the brakes on my CS squeak a little when applying light pressure, however, when moderate pressure is applied, it is gone. it's as if it only squeaks when the pads lightly touch the rotors. i'm not sure if this is normal because of the cross drilled rotors? car has 19000 km's so i don't think the pads are worn quite yet...
The oem pads do not squeak, but they are relatively soft and will not hold up to track use.
The previous owner might have a slightly more agressive pad and that would expalin the noise. If the noise is reduced after you drive the car briskly, then that is the case. If the pads are more of a track compund they will squeak loudly when applied gently most the time.
I have a set of track pads, Pagid yellow,(from one of our sponsors Rennstore) and a set of oem street pads to avoid the squeals. Some people do not want to bother and they use a medium pad and live with the noise.
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I bought used but I am almost positive I have OEM pads with about 7k on them. They occasionally do squeak. By occasionally I mean less than 5% or the time and only with very slight pressure. I just figured its normal.
pull the pad and check them. im running pagid oranges and they squel like a pig. I mean I get a lot of people at stop lights telling me to get my breaks looked at. hawk hps squel as well.
I was just at the dealership with my car and had them check my squeaky brakes as well. It turns out the original pads are fine (over 18,000 miles), it is brake dust. I was told that if you can find a safe area to accelerate backwards and slam on the brakes a few times, it will help remove the caked up dust. I have yet to try this method out.
Other on this forum suggested a couple of hard stops going forward at fast speeds should also do the trick.
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I was just at the dealership with my car and had them check my squeaky brakes as well. It turns out the original pads are fine (over 18,000 miles), it is brake dust. I was told that if you can find a safe area to accelerate backwards and slam on the brakes a few times, it will help remove the caked up dust. I have yet to try this method out.
Other on this forum suggested a couple of hard stops going forward at fast speeds should also do the trick.
IMO.....neither will get rid of brake dust. The first one even sounds a bit comical.
BTW.....a little squeak now and then when only light pressure is applied is quite normal. Loud squeaks at any brake pressure level is not.
There will be some brake dust built up around the brake pads, where the pad sensor is, etc. Here's what I would do.....put on a breathing mask (cheapo is OK) and blow out all around the caliper, then use a good stream of water from a hose along with a tooth brush and a little soap to remove any caked on dust you can see from around the pads,....just get everywhere you can reach. You can then take it a bit further and lightly go over the rotors with a scotch bright pad to remove any glaze on them. (You can get it and the mask at Home Depot, etc) Once this is done, rinse well, let dry and then test drive.
I should refrase my comment on the original brake pads in My CS. Temperatures here fluctuate between 85 anf 95 degree farenheight. At the track they go up to 100 maybe 105 because of the cement and asphalt. In a tight track under those conditions they lasted only 6,000 miles with 5 track days short duration say 3 20min sessions. The oem pads never failed and worked ok, they just wore quickly. They still beat the hell out of most any other car stock set up. I never had noise problems with the original pads, (they were textar). My pads started relatively warm because I never get temperatures below 70 to 75. I guess if I had to cope with temperatures below 60 to 50 degrees a little noise while warming up would be normal.
I was also starting to get a little softer pedal feel at the end of the sessions. The fluid gets changed regularly, it is Motul 600, and I have steel braided lines. When I changes to Pagid orange the pad felt easier to modulate and more positive,( they also squealed loudly on the street). I finally changed to Pagid Yellow and it is bullet proof at the track, but it squeals quite a bit in the street. Keep in mind the temperatures I live with, and the tight tracks I go to.
Sorry if the above comments misslead anyone.
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ok sounds like it's normal for a light squeak with light pressure, tks guys
next question is why the CS brakes don't feel as tight or 'grabby' as most my other cars... i figured 4 pistons would be super tight...
I think you may be looking at it the wrong way. Many brands today, Audi, BMW, etc. all seem to have WAY overboosted brakes IMO. Just touching them seems like it puts you through the windshield giving the "impression" of powerful brakes,...not the case.
Ideal brakes have a very progressive feel, apply a little braking pressure on the pedal....get a little braking power, apply a lot, get a lot. The brakes should respond according to how much pressure is put on the pedal.
Porsche brakes (when in good condition) provide a great linear, progressive, and "non-fake" feel.....one that stays there through multiple hard braking attempts. Try that with any other floating caliper type performance car and you will get a really bad feeling after 4 or 5 good hard stops.
I think you may be looking at it the wrong way. Many brands today, Audi, BMW, etc. all seem to have WAY overboosted brakes IMO. Just touching them seems like it puts you through the windshield giving the "impression" of powerful brakes,...not the case.
Ideal brakes have a very progressive feel, apply a little braking pressure on the pedal....get a little braking power, apply a lot, get a lot. The brakes should respond according to how much pressure is put on the pedal.
Porsche brakes (when in good condition) provide a great linear, progressive, and "non-fake" feel.....one that stays there through multiple hard braking attempts. Try that with any other floating caliper type performance car and you will get a really bad feeling after 4 or 5 good hard stops.
EXACTLY!!!
Take this example. I test drove an R8 a month ago. The brakes were over boosted and too grabby IMO. They "felt" strong but in practice they are painful, you have to be super gentle on them and can never just use the natural weight of you foot and leg. Like holding you foot in mid air and pressing a marshmallow. Cayman brakes are perfect.
Until 
Sorry if the above comments misslead anyone.