Chris NottSky Insurance
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  1. #1
    Reverse Gear

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    audi 100 avant s4 1996 braking problem

    Hi I have a problem with my Audi I was driving down the road when the brake warning light came on and I heard 3 beeps. I when I got hope I checked the fluid level and topped it up.

    I started the car up again and no light or beeps, I drove it round the corner and it started to beep again but this time the pedal went hard.

    Now when I put my foot on the pedal it is hard and when I start the car the pedal stays hard. Now I know this indicates the servo being faulty but I cant seem to find it. Any clues.

    It is a Audi 100 avant s4 quattro estate.

    cheers

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  3. #2
    "Stick a V8 in it!"

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    I've looked in ETKA for you and it seems to suggest the servo on this car is a hydraulic affair, running perhaps from the PAS pump?

    This hydraulic system has some sort of pressure switch too, so perhaps the beeping was indicating a fault in this system?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  4. #3
    Reverse Gear

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    Thanks I will have a look.

  5. #4
    paul20v's Avatar
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    Definately a power servo ,
    and yes it runs off the PS pump .

 

 

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