Date: Tue, 20 Jun 2000 10:07:05 -0500 From: Steven Stern <ssternnopsamcop.net> Subject: Re: 9-5 Brake Dust problem
I was heavily caked, but it's coming off now. Thanks. On Tue, 20 Jun 2000 03:29:50 GMT,, "Ken Ferguson" <Ken_Fergusonnopsamosoft's.web-based.e-mail.com> wrote: >I have a 9-5 and a 900SE. Both of them put brake dust on the front wheels >worse than the rear, but I don't know of comparisions to other brands, as to >which is worse. I do know that it will come off perfectly well with just >water, and I don't wash all that frequently. I haven't noticed any damage >to my 6 year old 900, and don't expect any on my 9-5. If yours won't come >off when you wipe with a sponge, then your brakes are made of something >different than mine! > >Ken > ><TimeRangernopsam.com> wrote in message >news:DdNNOQIcdrUsNc7LKBcwgTWHNmU8nopsamcom... >> On Sun, 18 Jun 2000 22:43:06 -0500, Steven Stern <ssternnopsamcop.net> >> wrote: >> >> >I just had my 99 9-5 washed and asked them to try to get the front >> >rims clean. They were extremely dirty. The car wash guy says that >> >Saabs dump a lot of brake dust and, over time, the hot dust on the hot >> >rims will result in pitting. He, of course, recommends frequent >> >cleaning. However, he was unable to scrub off all the dust and was >> >reluctant to use "wheel acid" to try to get them completely clean. I >> >used some Goop Off to remove a bit more of the gunk. >> > >> >So... >> > >> >Is this really true? >> > >> >Is the heavy dusting indicative of a brake problem or is it just how >> >the brakes are made? >> > >> > --Steve Stern >> >> Steve, heavy dusting can be attributed to many factors. 1) Climate: >> Live in a wet area? Discs can and do corrode and this corrosion is >> rubbed off with each application of the brakes. "Rust" dust is highly >> abrasive. Live in a dry dusty climate? Dust can also eat away at >> the pads and rotors. 2) Pad Composition: Some pads are harder/softer >> than others and have different wear rates. 3) Driving Habits: Are >> you a "hard-braker"? Do you anticipate things like red lights and >> stop signs and let the engine slow you down in advance of actual brake >> application? All of these things have to be considered before "heavy >> dusting" can be tracked down. >> > Steven Stern ChicagoGSB Computing Services http://gsbwww.uchicago.edu/computing
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