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Old 07-23-2011, 10:51 PM   #1
Join Date: Jul 2011
Location: Billings, MT
Posts: 9
Question Problem with HID - auto leveling

First off id like to thank anyone who will help me, I'm a novice mechanic and have no idea how to fix my HID's auto leveling, or even how it works so any help at all is really appreciated.

I do know that somehow, somewhere inside the headlight projector there is something that moves down to cover the bulb when changing from brights to dims because when I have the car off in the garage i can hear the sound of whatever is moving inside the headlights when i pull the stalk to change from bright to dim.

The Problem:
Both lights work fine, and the bulbs appear to be good ( neither is especially pink-insh or anything like that), however, on the driver's side whatever it is that moves inside the headlight assembly doesn't. In other words, my driver's side stays bright when i pull the stalk to dim it I see only a small small change whereas the passenger side levels off completely when on dim. My car just recently started doing this. I have no warning lights on the SID, and both sides do still auto-level correctly.

Has anyone else had this problem, or have any ideas as to why this is happening or what I can do to fix it? Any help would be really appreciated. - Noah
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Old 07-24-2011, 06:06 AM   #2
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Location: Los Angeles, CA
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I have never had to take one of the 9-5 Xenon assemblies apart, but it's possible the little actuator for the shield hood is broken, or the hood is jammed.

The headlight connectors are the same, what I would do is remove both lights, and plug them into the opposite side of the car, and see if they do the same thing. If the passenger side still works correctly, and the driver's side still doesn't work then it may be an issue in the wiring for the high beam switch.

The passenger lamp still doesn't work plugged into the driver's side though then it's something inside the lamp, and may or may not be fixeable.
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Old 07-24-2011, 08:46 AM   #3
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Join Date: Nov 2003
Location: Naples, FL
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Well your auto leveling isn't broken, and for future reference, with the auto leveling there is a sensor on the rear passenger lower control arm and one or two sensors up front that adjust the angle of the headlights based on how much weight is in the back.

The problem sounds like your drivers side "flapper doodle" that covers up part of the inside of the projector that goes up and down when you change between high and low beam isn't retracting all the way, or at all. The assembly should be relatively easy to take apart, make sure everything moves freely, and that nothing is blocking it's range of motion, maybe a few drops of a silicon based lubricant on the joints to make sure it can move easily. Silicon based lubricant can be found at outdoorsy stores, it's used for cleaning rifles.
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