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Early ABS Activation

Discussion in 'Cal 1400 8V' started by SEG, Jul 23, 2019.

  1. SEG

    SEG Tuned and Synch'ed

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    My local dealer installed Todd's upgraded brake components (Brembo RCS Radial front Brake Master and M4 Monblock Calipers) on my '15 1400 T. The braking is definitely better, and with a more linear/progressive feel than stock. However, pulling on the lever with anything more than a light-moderate amount of force causes the ABS to engage. Is there a way to adjust the ABS sensor to prevent it from engaging so easily? The front brakes pulses so often it's annoying. The dealer checked the rotors and they're not the problem. I'd sure like to find a way to overcome the teething problems with this upgrade. I really enjoy the more powerful braking. My dealer is at a loss about what to do--other than turning off the ABS; and that is not an option I'm willing to consider. Thanks in advance for any advice.
     
  2. PaulDavies

    PaulDavies Cruisin' Guzzisti GT Contributor

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    Assuming that your dealer hasn't disturbed the ABS sensor/wiring/ring, my understanding is that the ABS ECU is triggered by a sudden abrupt change in wheel speed (or difference between front and rear wheel speed) as you would expect if say the front locked up. Having a more powerful braking system means that lock-up will now happen with less effort from your right hand and will occur when braking force exceeds friction between tire and road - "ye cannae change the laws of physics".

    I'd been surprised if there is any way to adjust that unit. Have you tried using fewer fingers on the leaver? When it does lock up, does it feel like you are decelerating as quickly as before. For example do the forks dive as hard as before, does your butt slide forward on the seat etc? Do you get any yellow warning lights, have you tried recalibrating the traction control through the menu (just an idea).
     
  3. SEG

    SEG Tuned and Synch'ed

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    I use two-finger braking, and that still results in the front brakes pulsing. I have never seen any warning lights; and I have not tried recalibrating the traction control--that's worth trying. Thanks.
     
  4. Trout

    Trout GT Reference

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    The pulsing can be caused by a dirty sensor but I think Paul Davies is on the right track here.

    You could turn off the ABS for a short period of time just to try it.
     

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