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  1. Experiment27

    Experiment27 New Member

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    Hi first post here.
    I have Audi 2.4 V6 1999 Avant 5d
    Problem with ABS,when I break NORMALLY just before i come to a stop comes a grating noise almost like abs is kicking in.No warning light comes on.
     
  2. Andy.B

    Andy.B Member

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    Are your pads in good condition?
     
  3. Experiment27

    Experiment27 New Member

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    yes.when i disable abs the noise does not come
     
  4. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    probably some dirt or **** on one of the wheel sensors or a faulty sensor, pull the fault codes from the ABS unit and see if its logged any codes
     
  5. Experiment27

    Experiment27 New Member

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    both sensors new fitted them about 2 hours ago:(
     
  6. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    there are 4 remember...

    two on the front and two on the rear.
     
  7. andybnwc

    andybnwc Member

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    one will be in too far for defo
     
  8. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    as long as its not touching i cant see it being a problem tbh, especially as the problem existed before he changed them...

    they are magnetic though and **** tends to build up on them over time, one of the rears is probably faulty or has too much **** on it.
     
  9. NineNails

    NineNails Proud sponsor of the snack food industry

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    Are you getting any pulsing through the pedal? It should be vibrating like hell under your foot if it's the abs kicking in.
    Mine was as you describe and turned out to be a sensor going intermittent on the rear but I got no DIS warning untill it failed totally.
    Si.
     
  10. Turbo Lag FTW

    Turbo Lag FTW Hate those none insured you know who types

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    I had this problem and it knocked the ABS off when I went over 50mph, but it wasnt the sensor at fault but a wheel bearing alignment that was picked up during MOT. Before the MOT when the garage tried to pull the errors to check which sensor/s were at fault and none were found making it harder to find, so anyway I had 2 weeks of this problem before it went into garage again.
     
  11. dieselfitter251

    dieselfitter251 Blow ma own trumpet?

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    Before my current ABS issues (see thread BBAreman) I had a similar problem. Turned out to be a couple of dodgey sensors which in the end had to be dug out from the inside of the hub they were so knackered. Considering I may bhave the same problem again, :keule:if it is then I'll have learned my lesson about buying 2nd hand sensors! :banghead:

    One thing you may want to consider is checking your rear ABS rings, mounted behind the discs I think (providing your car isn't a quattro). They're quit brittle and if one's damaged then it could be the source of your problems...and as it happens. I've got two unneeded as I drive a quattro....:eyebrows:
     

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