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  1. #1
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    LED Headlight adjustment

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    The dealer replace the driver side LED Headlight on my 2015 S6 and the same day at night i found that it was aiming higher than the passenger side.

    A lot of people is flashing me thinking i'm on the high, and it's anoying AF.

    I'm trying to find the procedure to adjust them, but everytime i found a thread, the pictures are gone... thanks to Photobuckets

    I read somewhere we need to go in VCDS to put the headlight in adjusting mode before, because if we don't, the light will go back to the original positon.

    thanks !
    Last edited by mrdouble99; 05-16-2018 at 08:45 PM.

  2. #2
    Established Member Two Rings jinetics's Avatar
    Join Date
    Jan 18 2018
    AZ Member #
    412660
    My Garage
    GTR, GT4, RS7
    Location
    Edgewater NJ

    There should be a manual adjustment screw / torx behind the headlight. We always perform adjustments after headlight replacements this way.

  3. #3
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    There's 2 adjustement, one that has a L&R inscription and another one w/o inscription

    I tried the one behind w/o inscription and it does nothing for the up/down




  4. #4
    Senior Member Two Rings
    Join Date
    Feb 25 2010
    AZ Member #
    55129
    My Garage
    A6 BiTDi, A3 E-Tron, A5 Cab
    Location
    Cheshire UK

    The dealer should have done hos job properly and adjusted the aim before handing the car back to you.
    A6 BiTdi Avant MTM
    Retrofitted: Full Led Headlights, DAB, Full Electric Seats, Power Tailgate, Surround View Cameras, Genuine RS6 Grille, RS6 Seats, Leather Door Armrests, Soft Close Doors, Rear Side Blinds, Electric Steering Column, LED Sill Plates, Ambient Lighting Pack, High Beam Assist, Eibach Springs, Led Roof Console, 4 Zone Climate, Rear Heated Seats, Head Up Display, Side assist,
    To be done: Alcantara interior retirm

  5. #5
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    Quote Originally Posted by morski View Post
    The dealer should have done hos job properly and adjusted the aim before handing the car back to you.
    lol, i went there 2 times and it didn't change

  6. #6
    Established Member Three Rings
    Join Date
    Jan 02 2018
    AZ Member #
    411920
    Location
    Deleted

    It must have a vertical adjustment somewhere. From that point, it self levels, but it needs to know where the 'baseline' is, which is done physically. But don't mess with the horizontal adjustment; that one requires special equipment, since it's canted differently for each headlight, with the driver's side more to the right, to avoid blinding oncoming traffic (right-hand drive vehicles are the opposite, for obvious reasons). Porsche blocks the horizontal adjustment with a (blue) cap that breaks the tabs when removed, so you don't inadvertently change it. Good luck.

  7. #7
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    Quote Originally Posted by elptxjc View Post
    It must have a vertical adjustment somewhere. From that point, it self levels, but it needs to know where the 'baseline' is, which is done physically. But don't mess with the horizontal adjustment; that one requires special equipment, since it's canted differently for each headlight, with the driver's side more to the right, to avoid blinding oncoming traffic (right-hand drive vehicles are the opposite, for obvious reasons). Porsche blocks the horizontal adjustment with a (blue) cap that breaks the tabs when removed, so you don't inadvertently change it. Good luck.
    The problem is that i'm not sure if the adjustement behind the light is the vertical since there's no indication on it

  8. #8
    Established Member Two Rings
    Join Date
    Jan 22 2017
    AZ Member #
    391307
    Location
    New York

    I haven't done this yet, so take it for what it is worth...could L-R stand for lower and raise? It looks like the adjustment screw will cause the piece underneath to slide forward or backward.

  9. #9
    Established Member Two Rings
    Join Date
    Jan 22 2017
    AZ Member #
    391307
    Location
    New York

    LED Headlgith adjustment

    Hey, I think I figured it out: You might have the wrong headlight. Look at the picture you posted of the top of the headlight...it states, ECE ONLY with a Dip rating of 1.0%. I'm not sure for Canada, but in the US we use a different headlight with a Dip rating of 0.7% Something for you to investigate.

    Edit: just went outside to check my headlights. They have the same markings on top. So disregard the marking comment. Still look into the Dip rating though.

  10. #10
    Established Member Two Rings Nully's Avatar
    Join Date
    Sep 11 2014
    AZ Member #
    281921
    Location
    WA, US

    The procedure is documented in the "Electrical_Equipment" service guide: Here are the relevant pages I could find for the LED headlights, starting section 1.3.9:

    It appears the front screw (1) is for height.

    Adjusting Headlights-1.jpgAdjusting Headlights-2.jpgAdjusting Headlights-3.jpgAdjusting Headlights-4.jpg
    Last edited by Nully; 05-16-2018 at 07:39 PM.

  11. #11
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    Quote Originally Posted by Nully View Post
    The procedure is documented in "Electrical_Equipment" service guide: Here are the relevant pages I could find for the LED headlights, starting section 1.3.9:

    It appears the front screw (1) is for height.

    Adjusting Headlights-1.jpgAdjusting Headlights-2.jpgAdjusting Headlights-3.jpgAdjusting Headlights-4.jpg
    Wow, thanks you so much !

    Wierd that it says R&L on the front screw

  12. #12
    Established Member Two Rings Nully's Avatar
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    Sep 11 2014
    AZ Member #
    281921
    Location
    WA, US

    No problem! I love how detailed these things are. I feel for the guys writing them cause I doubt anyone ever follows them to the letter...

  13. #13
    Established Member Three Rings
    Join Date
    Jan 02 2018
    AZ Member #
    411920
    Location
    Deleted

    Unfortunately, L&R can mean left and right, or lower and raise. On this car, it's the latter, according to that document. Surprised the side adjustment is not protected at all. Oh well. Now we know. Good luck OP.

  14. #14
    Active Member Two Rings mrdouble99's Avatar
    Join Date
    Mar 31 2018
    AZ Member #
    416401
    Location
    Montreal

    TY Nully !

    It was the R&L adjustement as explain in the document you post, now my headlight on the driver side is perfect !



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