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(Post Link) post #1 of 10 Old 17-05-08 Thread Starter
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Old brake discs

Had new discs and pads fitted last week and couldn't believe how bad the discs were.
The front was worn as you would expect but the back, well see for your self, i have never seen discs as bad as these, had to bring them home just to show everyone how rotten they were.

Last edited by thorleyman; 13-07-08 at 20:35.
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Re: Old brake discs

WTF? Got your moneys worth out of them i see.
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(Post Link) post #3 of 10 Old 17-05-08 Thread Starter
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Re: Old brake discs

think they came with the car from new

On a more serious note how the hell did they get through an MOT 8 months ago.
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Re: Old brake discs

Not sure why people think discs should last for ever... they are put under alot of strain and wear so should be replaced like pads etc etc
 
(Post Link) post #5 of 10 Old 18-05-08 Thread Starter
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Re: Old brake discs

new they needed doing due to the front been worn but didn't expect the backs to be so bad.

Last edited by thorleyman; 13-07-08 at 20:35.
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Re: Old brake discs

I had front and rear discs/pads all changed a while ago (if anything, they were worse than yours). It made bot all difference to the stopping power.
 
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Re: Old brake discs

They do last a long time though. I've had cars for years and never had to replace the discs. Mind you i dont use the brakes all that often, it tends to be tyres that i get through!!
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Re: Old brake discs

Pah! - seen & driven on worse
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Re: Old brake discs

I had a 2002 Audi A2 a couple of years ago. It was a well looked after car, used regularly and with 30K on the clock. When I had it MOT'd just before selling it, the discs were just like those, I couldn't believe it!!
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Re: Old brake discs

Rear discs suffer far more from corrosion and caliper piston seizure than the fronts for the simple reason that they are under used. The braking effort required on the rear is small, and purely to balance the massive braking forces on the front. If you ride motorbikes you understand this principle somewhat better. The rears must never get anywhere near lock up or you spin the car, whereas its quite hard to lock up the fronts (ABS aside of course)

This means the corrosion doesn't get cleaned off them as much and gets a hold quicker, and the comparatively low amount of piston movement can make the caliper piston seize more often at the back than the front. This tends to get ignored for longer as the fronts are doing the lions share of the braking effort anyway.

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