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Date: Thu, 05 Apr 2007 23:36:43 +0100
From: "Charles C." <>
Subject: Re: EBC red pads - too tick - 93 viggen

pzi wrote: > On Apr 4, 3:56 pm, Colin Stamp <> wrote: >> On 4 Apr 2007 08:17:26 -0700, "pzi" <p...nospamnet> wrote: >> >>> I got new EBC front 12.1 inch rotors and red ceramic pads for my '02 >>> viggen. Installed them and they make a lot of noise. They seem a bit >>> too tick and there is not enough clearance for the rotors. >>> Any ideas on how to gain some room between the pads? I drove for some >>> 50 miles and the wear is not helping. >>> I am thinking about shaving some material from the outside of the pad >>> - or maybe take the pad to the grinder and taking some of the pad >>> contact surface. >> Assuming this isn't a troll, do not try to modify anything yourself. >> No offence, but you fundamentally don't understand how disk brakes are >> meant to work. Considering how safety critical brakes are, you might >> want to get a trusted mechanic to look at them. >> >> There should be virtually no clearance between the pads,disks and >> pistons at any time. Even if you reduce the thickness of the pads >> (which is pretty-much impossible to do safely without the right gear >> and knowledge) all that will happen is that the pistons will extend to >> fill the gap you've just made. >> >> What kind of noise are they making? >> >> Cheers, >> >> Colin. > > > what is happening is that with the pistons completely retracted the > pads touch rotors and make friction noise. > I agree the breaks are critical for safety but so is the rest of the > car - say the wheels fall off :-) > As Colin said. Pads always touch ... If they are binding ... then do 2 or 3 miles without braking and the rotors will be *hot*. Too hot to touch. Have you used coper paste between the pads/the pistons/the caliper? Most likely you have a very simple problem and you should not modify anything the way you were suggesting. If you were to remove friction material from the pad (you may have to do that if your brakes run *hot*) you have to keep the pad perfectly flat. Else you will get a smaller surface of the pad touching the rotor, the rotor will be damaged and braking performance will be much worse. One way of reducing the thickness of the new pads (I will be killed now) would be to use one old and one new pad on each side of the rotor for a few miles, and at some point try replacing the old with the new pads. This is how I used the Lucas pads I mentioned in my other post. I got the fire extinguisher ready. :-) Charles -- Please remove _removeme_ to reply.

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