Date: Sun, 20 Jul 2003 16:23:52 +0100 From: Grunff <grunffnopsam.com> Subject: Re: Rusty discs
Full spec wrote: > I have been told by my SAAB dealer that the rear discs need replacing as > they are rusty. The car is a 9-5 SE 2.3 85,000 miles 1998. I took both > wheels off and inspected the discs. Yes they are rusty on the surface , but > that's all. I cannot see that replacement is necessary - as the car passed > it's MOT test OK and the scoring / depth of the discs are well within spec. > Can anyone give me advice on this please. A pattern appears to be emerging here - a lot of dealers seem to recommend disc replacement for no good reason. If the discs are not badly scored, and they're above the specified minimum thickness, then they *do not* need replacing. Rust around the edges is normal. Rust on the surface of the disc means the brakes aren't rubbing on the discs as they should. This could be because the rear calipers aren't producing enough braking effort, or because you're a gentle driver. If the car has recently passed an MOT, then the poor braking effort is ruled out, because that's a favourite failure point. Sounds to me like there's nothing wrong with your brakes. -- Grunff
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