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Whats this broken thing?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by roman3000, Oct 26, 2010.

  1. roman3000

    roman3000 Member

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    Hi, was putting a decat pipe on the other day and noticed this sensor was broken, anyone know what it is and should i fix it? Its on the passenger side.
    [​IMG]
     
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  3. bengal

    bengal Member

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    That looks like it should be connected to the drop link where the nut is where you have circled its broken off you can see the rest of it behind the nut. I dont think its a sensor though but i could be wrong as i dont have an 8p it looks more like its part of the antiroll bar assembly. Maybe someone with an 8p can confirm this.
     
  4. roman3000

    roman3000 Member

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    My thoughts are that its something to do with the ESP since it looks like the sensor measures how much the suspension moves, but i haven't had any problems with it.
     
  5. bengal

    bengal Member

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    It could be see if you can get a part no off it and google the part no and it should tell you what it is. I would think an esp fault would show a light on the dash but it might only show up on a scan with vagcom.
     
  6. a6george

    a6george Member

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    I think its for your auto headlight level, do you have manual switch in car for light level, if not it would be my best guess.
    George
     
  7. warren_S5

    warren_S5 Moderator
    Staff Member Moderator VCDS Map User

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    Looks like one of the multi link suspension control arm components, but just had a quick look on google images for A3 front suspension diagrams and came up with nothing. Probably best to ask someone with EKTA.
     
  8. sean3794

    sean3794 Member

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    as bengal said bud it was attached to the drop link, so i would presume its todo with the susspension set up
     
  9. a6george

    a6george Member

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    Just looked at ETOS its deff a headlight level adjuster, one on pass front one on pass rear.
    George
     
  10. drsilviuro

    drsilviuro Member

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  11. Smoothie

    Smoothie Active Member

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    Yea headlight sensor, which would explain why you havnt noticed anything wrong with driving the car while it has been broken
     
  12. a6george

    a6george Member

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    the bit thats snaped is not listed by itself, you would have to get full sensor, for model PR-8QS,8Q5 (SELF-ADJ SENSOR WITH LINKAGE) PART NUMBER 1K0 941 274 B thats for A3/S3/sportback/qu 2004-2007.
     
  13. roman3000

    roman3000 Member

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    Thanks for the replies guys, ive got xenons and i can see them adjust themselves automatically when i get in. Will have a look at replacing it if its not too expensive.

    Found one on ebay for £48 delivered, might pass for now :ninja:
     
    #12 roman3000, Oct 26, 2010
    Last edited: Oct 26, 2010
  14. Gti Jazz Blue

    Gti Jazz Blue Active Member
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    When you start, the auto leveling system runs a diagnostic check on the leveling motors in the headlights.

    With that link broken the car will not sense any undulations in the road and move the adjusters which may well be blinding on-coming road users.

    Paul
     

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