Vibrating Headlights
#1
AudiWorld Senior Member
Thread Starter
Vibrating Headlights
While driving with the headlights on, I am noticing the freeway signs as well as license plates of other cars in front (basically anything onto which my headlights are throwing light on) to flicker in a vibrating motion.
Anyone else has this problem?
Anyone else has this problem?
#2
Yes sir. Have read a few things about it. When I asked my dealer they said it was normal??? But i've heard them say that about a lot of things that aren't, so who knows.
#4
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Join Date: Apr 2009
Location: Worthington, MN
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Are you talking about the flashing of the signs and plates? This is a normal thing, Typical of HID or Projector's! If they are actually vibrating or shutting on and off at a fast rate you got problem.
#5
AudiWorld Super User
I assume you're asking about adaptive headlights. For these headlights,...
there is a Technical Service Bulletin (TSB #98–08–02) re: vibrating adpative headlights. Several causes are listed: loose mounts, reflector mounting damaged, headlight fit to body is bad, resonance with engine at idle. I had the same problem as you describe on my '06 A6 Avant and the dealer ended up replacing the left front headlight assembly (under warranty) to fix problem.
#6
AudiWorld Member
I had this on one of my lights, and they had to take the bumper off to tighten all the bolts down, and that fixed it for me, now I have the other one "dancing". So I might have to do something about that one too.
#7
AudiWorld Senior Member
Thread Starter
I saw that TSB - however, that indicates that the headlights vibrate at idle. I checked them last night and they don't appear to be shaky when the car is stopped with the engine running (idle).
there is a Technical Service Bulletin (TSB #98–08–02) re: vibrating adpative headlights. Several causes are listed: loose mounts, reflector mounting damaged, headlight fit to body is bad, resonance with engine at idle. I had the same problem as you describe on my '06 A6 Avant and the dealer ended up replacing the left front headlight assembly (under warranty) to fix problem.
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#8
I have this issue too and I went to the dealer and they said they where able confirm that my headlights flickered while driving but not at idle. They said that the fix is to replace the bulbs and this would not be covered under warrenty. So I didn't do anything about it. Should I call another dealer and explain the issue to them and see if they'll cover replacing the bulbs? Also, does anyone have the TSB in pdf or anything so i can print it out and take it in?
Thanks!
Thanks!
#10