348 brake pad light

Discussion in 'Technical Q&A' started by 95spiderman, Feb 10, 2004.

  1. 95spiderman

    95spiderman F1 World Champ
    Silver Subscribed

    Nov 1, 2003
    the dashboard brake light just started going off intermittently. pads seem low but i dont understand why light goes on and off if pads are worn. shouldnt the light just stay on?
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  3. rexrcr

    rexrcr Formula 3

    Nov 27, 2002
    Kalamazoo, MI
    Full Name:
    Rob Schermerhorn
    The brake pad wear sensor activates by actually touching the brake rotor surface to complete the electrical circuit. So pad vibration and/or rotor warp is causing the intermitant light.

    BTW, this is the same light that iluminates when brake fluid level is low, so inspect that too.

    Transfering the old pad wear sensor to new pads (aftermarket pads) is virtually impossible because they're so fragile (probably Bakelite). You'll only get new sensors with OEM pads.

    Best regards,

    Rob Schermerhorn
  4. Mitch Alsup

    Mitch Alsup F1 Veteran

    Nov 4, 2003
    I've used the same sensors on my F355 and it has gone through 6 sets of pads in the last two years (on the race track). The trick is changing the pads before the sensor goes off.

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