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Date: Thu, 05 Apr 2007 23:24:03 +0100
From: "Charles C." <>
Subject: Re: EBC red pads - too tick - 93 viggen

pzi wrote: > On Apr 4, 2:06 pm, - Bob - <> 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. >> I doubt they are too thick. The clearance required is minuscule. They >> should have worn in already. >> >> What do you mean by noise? Squeal or rough surface kind of noise? >> >> I'd be more suspicious that the ceramic (hard) pads are causing the >> noise - unless the rotors are not solid, in which case they could be >> helping with the noise. >> >> Before tossing them, read this, learn, try the break in method >> suggested. The article is more about "warping" but what you will learn >> by reading it may be very helpful in understanding what is going on >> with your pads and rotors. Works wonders with some cars. Be safe, >> don't do this on public roads: >> > > Thanks for the link - lots of good information! In this particular > case the rotors are new from the same brand so no warping is likely. > The noise is friction noise like the pads are touching the rotors. Yes it is. See below. I > read the EBC installation instructions and ran the car to say 40mph > and gently slowed down the car for about 10 times - the imbeding did > not happen or happened but did not help. The noise is stronger when I > turn the wheels - I guess because of the hubs having some play and Correct. So the rotors move in relation to the pads hence they touch more. > drive shafts pushing the rotors a bit. No the drive shafts have sufficient play not to push anything towards the hub of towards the gear box. How many miles has the car done? The movement you describe above would be caused by a worn wheel bearing or a loose drive shaft nut (ehmmm, I think). In which case the rotor is never in the position it should have been hence the noise. If the car is new ... the other possibility (which is the easier one to solve) is that the rotor and pads when combined are slightly too thick. I have had pads (Lucas) which I could not fit in my C900 when brand new but I could fit any other set of brand new pads. If it helps a little. Regards Charles -- Please remove _removeme_ to reply.

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