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Braking problem - malfunctioning ABS

trying to connect the theories... possible that as your brakes overheat, you're getting fade on inside front wheel and that wheel is therefore braking at a slower rate than the

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Old 05-04-2010, 03:28 PM   #11 (permalink)
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trying to connect the theories... possible that as your brakes overheat, you're getting fade on inside front wheel and that wheel is therefore braking at a slower rate than the rest?

Quote:
Originally Posted by ChrisSlicks View Post
I can reproduce it on a nice smooth sticky surface with the only factor being temperature. Once the brakes are thoroughly heat soaked ice mode is induced under heavy braking, and this is with totally respectable peak rotor temperatures. I can also prevent ice-mode from occurring by artificially cooling the brakes to prevent the heat soak.

All of my testing has been done on hot and heavy auto-x conditions. It typically takes 20-30 minutes of build up under those conditions to reach a point that ice-mode kicks in for the braking zones.

There are other conditions that activate the ice-mode as well such as sudden bumps, sand, marbles etc, but the heat related one has me beat. What's interesting is that during one of these ice-mode events, at the very end of braking once the car gets below about 15-20mph you suddenly get full braking back again. Totally bizarre.
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