Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: Notesfiles $Revision: 1.6.2.16 $; site inmet.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!yale!inmet!bcbell From: bcbell@inmet.UUCP Newsgroups: net.auto Subject: Re: Re: squeaky brakes Message-ID: <57500021@inmet.UUCP> Date: Fri, 25-Oct-85 20:26:00 EST Article-I.D.: inmet.57500021 Posted: Fri Oct 25 20:26:00 1985 Date-Received: Mon, 28-Oct-85 03:49:47 EST Lines: 20 Nf-ID: #N:inmet:57500021:000:1053 Nf-From: inmet!bcbell Oct 25 18:26:00 1985 ** Brake line (revisited) ** There are a couple of reasons you may not see as much brake dust accumulation on the rear wheels of your GTI as the front. The first is that the brakes are biased front to rear so that the front brakes do more of the braking. This is because, as a car decelerates, the moment of inertia moves toward the front of the car. So the front brakes are sqeezing harder, and more pad wears off. The second reason is the airflow around the wheels is (probably) different for the front and the back. It's doubtful that anyone calculates that sort of thing for passenger cars, but if the airflow around the front wheels blew out while it blew in in the back the backs would be forever clean while the fronts would certainly be dusty. Note that virtually ALL cars have front disk brakes and most don't have brake dust problems. Note also that alloy (i.e. holey) wheels tend to get the problem worse that others do, if for no other reason than the holes allow airflow through the wheels. R.M. Mottola Cyborg Corp. Newton, MA.