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Braking problem - malfunctioning ABS

Originally Posted by ChrisSlicks started pulsing with no lock up. The result is that you get only about 50% braking (or less). Um, ABS stands for Anti Lock Brakes. Sounds

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Old 04-26-2009, 01:11 PM   #1 (permalink)
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Originally Posted by ChrisSlicks View Post
started pulsing with no lock up. The result is that you get only about 50% braking (or less).
Um, ABS stands for Anti Lock Brakes. Sounds like ABS is doing it's job just fine to me. I have done VERY aggressive braking in the 370Z and the brakes feel great to me. I can get some chirping out of the front tires without locking them up completely which means the ABS is working perfectly.
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Old 04-26-2009, 02:17 PM   #2 (permalink)
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Um, ABS stands for Anti Lock Brakes. Sounds like ABS is doing it's job just fine to me. I have done VERY aggressive braking in the 370Z and the brakes feel great to me. I can get some chirping out of the front tires without locking them up completely which means the ABS is working perfectly.
That "chirp" that you get is from a brief moment of lock-up (mere milliseconds). The point of ABS is to achieve maximum braking potential by riding the edge of lock-up. I'm not getting even close to the edge, there is no chirping, right now it feels like I have the drum brakes from a 1930's truck only with rock solid pedal feel.

The track conditions were very grippy so there has to be a reason for the malfunction. I hoping that it is something as simple as tire diameter confusing the readings the ABS computer is taking from the wheel speed sensors.

RCZ, what tires are you using, still stock?
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