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Self levelling headlights???? Please help

Discussion in 'A3/S3 Forum (8L Chassis)' started by Hyborg, Jan 10, 2012.

  1. Hyborg
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    Hyborg New Member

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    [Jan 10, 2012]
    Please! does anybody have a clue as to why my usually awesome HiD lights seem now to automatically after turning on but seem to end up pointing down as if i am carrying loads of weight. There is no provision to manually adjust so can i presume their is a fault?
    Any insight would be greatly appreciated.
    #1
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  3. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jan 10, 2012]
    Fairly common problem... the motors for the self adjusters are the culprits... typically fixed by replacing the motor on the affected headlamp... you can take the motor apart and clean the level potentiometer (there is a guide on here somewhere) but its not always successful and you may end up having to replace the motor anyway...

    Resetting the headlights is done through VCDS software or a dealer... there is manual adjustment to fine tune as the software adjustment is to sync the motors so the lights move the at the same time not to adjust where they point..

    Having a working self levelling system and headlamp washers is an MOT requirement for Xenon/HID headlamps from Jan 2012

    <tuffty/>
    #2
  4. Rogue-24-84
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    Rogue-24-84 Member

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    [Jan 10, 2012]
    happened to me recently, ended up being a broken rear sensor, the tie bar that runs from the rear arm had snapped the little plastic arm on the sensor, fixed by drilling a little hole in the remaining palstic arm and re attaching the 2 with a cable tie, been fine again for weeks :)
    give that a check
    #3
  5. jcs356
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    jcs356 Brum brum

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    [Jan 10, 2012]
    I had what Rogo says happen with mine. Unfortunately my sensor was beyond repair and had to buy a new one in 2010. After 6 years of living with the lights being random, it's nice to now have headlights that consistently point at the right level!
    #4
  6. Rogue-24-84
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    Rogue-24-84 Member

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    [Jan 10, 2012]
    haha i used to be like that.. id live with stuff not working properly for ages, then id end up getting it all up together and sorted a week before i got rid of it!! lol
    #5
  7. fran-s3
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    fran-s3 Active Member VCDS Map User

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    [Jan 10, 2012]
    Can you remember how much the new self levelling sensor was at all?
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  8. jcs356
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    jcs356 Brum brum

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    [Jan 10, 2012]
    Just checked the bill and it was £60.85 plus vat in summer 2010. I also thing there is a mounting bracket that you might need, depending upon the condition of what is on the car. Mine was completely destroyed when my Forge adjustable tie bar snapped.

    TBH when my lights didn't level I was put off trying to get them fixed as I thought it was the motors in the lights themselves (i.e. expensive!) Had I know it was just the sensor that was playing up I'd have fixed it sooner.
    #7
  9. S3Zek
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    S3Zek Member

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    [Jan 10, 2012]
    mine keep playing up also, every time i turn them on they would level out then as soon as i drive one points at the flour lol, i always wondered how to fix them, but for temp i turned them on to level them out then unplugged both of them.
    been like that for the last 2 years lol
    #8
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  10. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jan 10, 2012]
    If one drops to the floor then its normally just the motor thats the problem... the self levelling system is on the K-line too so will throw fualt codes... if the self levelling system has a problem then a scan should show them up and give you a better idea on whats going on...

    <tuffty/>
    #9
  11. jitvv
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    jitvv Active Member

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    [Jan 10, 2012]
    Anyone know where abouts the sensor is located?

    Cheers
    #10
  12. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jan 10, 2012]
    One under the passenger side front wheel arch (bolted to inner arch and connected to the lower wishbone) and the other at the rear bolted to the rear subframe and connected to the lower tie bar for the rear suspension again on the passenger side...

    <tuffty/>
    #11
  13. Rogue-24-84
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    Rogue-24-84 Member

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    [Jan 10, 2012]
    front passenger side and rear passenger side, whip the wheel off and you'll see it bud..
    #12
  14. jitvv
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    jitvv Active Member

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    [Jan 11, 2012]
    Thanks guys
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  15. jitvv
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    jitvv Active Member

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    [Jan 11, 2012]
    Thanks guys
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  16. S3Zek
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    S3Zek Member

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    [Jan 12, 2012]
    cheers for that tuffty will have a look at the weekend and see if it shows up anything, as long as I remember to plug them back in.
    #15
  17. g60leigh
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    g60leigh Well-Known Member

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    [Feb 21, 2013]
    Sorry to revive an old thread but .....
    When I had my coil overs fitted. The muppet fitter has broken the self leveller on the rear axle.
    Didn't bother to tell me though. Just tie wrapped it up.
    I have spotted it and want to replace it.

    Does anyone know the part number for it please?

    Thanks.
    #16
  18. vfr800
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    vfr800 Active Member

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    [Feb 21, 2013]
    4B0 907 503 There's a few on fleabay.

    Can't you get the monkey that did the sus. to pay for it?
    #17
  19. g60leigh
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    g60leigh Well-Known Member

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    [Feb 21, 2013]
    Thank you mate.

    Just wanted to check they are the same across the different models. Looking at a TT one now.

    No not worth the grief. Just wont use him again.
    Found a number of cock ups he made.

    Do it myself in future.
    #18
  20. Schlaag
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    Schlaag Bwah

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    [Feb 26, 2013]
    does anyone know the vcds procedure for resetting the lights?

    Im sure mine do not auto adjust

    they dont point down but deffo do not auto adjust... like my M3 does

    thanks
    Dave
    #19
  21. epox
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    epox Active Member

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    [Feb 26, 2013]
    [h=2]Basic Setting[/h] [h=3]Headlight Adjustment[/h] [Select]
    [55 - Xenon Range]
    [Basic Settings - 04]
    Group 001
    [Go!]
    Activate the Basic Setting.
    [ON/OFF/Next]


    • The meas. block field now shows "Wait" and should switch to "Adjust Headlights" then (this may take up to 10 seconds).
    • Adjust the headlights using their manual adjusting screws as referenced against a suitable aiming target.
    [ON/OFF/Next]
    The adjustment should now be learned.
    [Done, Go Back]
    Don't forget to check/clear fault codes afterwards.
    [Close Controller, Go Back - 06]:arco:
    #20

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