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Thread: Self drying brakes?

  1. #1
    scotty76's Avatar
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    Self drying brakes?

    This was a new one on me...

    And the bigger brakes have a self-drying function triggered by the wiper's rain sensor.
    Audi A4 B7 2005 - Car Review | Honest John

    Presumably rain sensor = auto wipers? In which case I don't have it. My B7 is possibly the meanest spec in the country, it has no options what so ever!

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  3. #2
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    Self drying brakes? Thats a new one for me! Especially seeing as disc brakes are always dried by their rotation (and heat from being used!).

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    I seem to recall very vaguely reading somewhere that the ABS system was capable of applying the brakes minutely - certainly not noticeable to the driver - to keep the pads and discs dry.
    A4 3.0TDi SE Quattro Auto. Factory-fit: RNS-E/bluetooth; F/R parking sensors; full leather/heated front seats; cruise. Retrofit: Remap; Eibach 30mm lowering springs, RS4 RARB; MTEC drilled/grooved discs; 18" RS4 alloys; VW fan washers; Kinetic Digitizor DAB; Blackvue DR380 camera; front armrest; ambient lighting; white LED lights; autodim mirror; Cupra splitter; S-Line door blades; tints; UK pressed plates; MFSW; SDS; TPMS; LED Taillights and DRLs. RS aluminium pedals


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    Quote Originally Posted by jdp1962 View Post
    I seem to recall very vaguely reading somewhere that the ABS system was capable of applying the brakes minutely - certainly not noticeable to the driver - to keep the pads and discs dry.
    What Jeff said. It pulses the brakes to keep them dry, great for discs, not so good on ECU's sadly...

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    TRUE, read this somewhere too.

    Audi A4 B7 3.0TDI S-Line Sprint Blue
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    Quote Originally Posted by Byzan Pics View Post
    What Jeff said. It pulses the brakes to keep them dry, great for discs, not so good on ECU's sadly...
    Why's it bad for the ECU?

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    Well everyday is a school day! I remember seeing this was a feature on the McLaren Mercedes SLR but never realised other cars had it.

    Mercedes-Benz SLR McLaren - Wikipedia, the free encyclopedia

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    Quote Originally Posted by scotty76 View Post
    Why's it bad for the ECU?
    it was a prod at Jeff who left his ecu cover off and it got very wet

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    Quote Originally Posted by Byzan Pics View Post
    it was a prod at Jeff who left his ecu cover off and it got very wet
    Hrrumph!
    A4 3.0TDi SE Quattro Auto. Factory-fit: RNS-E/bluetooth; F/R parking sensors; full leather/heated front seats; cruise. Retrofit: Remap; Eibach 30mm lowering springs, RS4 RARB; MTEC drilled/grooved discs; 18" RS4 alloys; VW fan washers; Kinetic Digitizor DAB; Blackvue DR380 camera; front armrest; ambient lighting; white LED lights; autodim mirror; Cupra splitter; S-Line door blades; tints; UK pressed plates; MFSW; SDS; TPMS; LED Taillights and DRLs. RS aluminium pedals


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    Quote Originally Posted by jdp1962 View Post
    Hrrumph!

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    Cheeky.

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    Regardless of ABS etc, don't the pads rub against the discs anyway?

 

 

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