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How To: Adjust Headlight Beam Height

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Old 08-27-2001, 01:07 PM
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How To: Adjust Headlight Beam Height

Here is the easy & proper way to do it as shown to me by Jens Heydel of Park Ave Acura.

All you need is a phillips head screwdriver!

These picture show you how to get to the gear you need to turn with the screw driver from a zoomed view all the way too close up.

Concentrate on where the arrows point and ignore the gold bolt that dominates these pictures... pay attention to the circled silver bolt/teeth in the close-up.

Once you find these "teeth" all you need to do is insert a phillips head screw driver and turn in either direction. The teeth I describe look like the spikes on a kings crown... I think it may even be called a crown gear or something of the sort.





This is the crown gear you need to insert your screw driver into. The object is to get the screw driver into the teeth... a typical standard sized screw driver is sufficient.


Finally... here is a picture of how the screw driver goes into the gear. Just turn right or left...



Yes, its that easy... whole process shouldnt even take you 60 seconds.

The hardest part is finding flat ground with a reflective wall to aim against. A garage door usually does fine if your driveway is flat.
Old 08-27-2001, 04:57 PM
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I knew that those teeth gear was for adjusting the headlights but i couldnt get it to move before. i'll go try it again. Thanks alot guys..
Old 08-27-2001, 05:42 PM
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Did they need adjusting? Mine seem fine.
Old 08-27-2001, 05:47 PM
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why would you want to screw with you r high beams? This is only if they are off center a little, right?
Old 08-27-2001, 05:51 PM
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Originally posted by NeedForHandling:
<STRONG>why would you want to screw with you r high beams? This is only if they are off center a little, right?</STRONG>
No, this is for your low beams... the Xenons.

The reason you would want to do it is they often become aimed too high or two low... and this is a neccessity after any sort of suspension modification... especially springs.

The reason this was posted is because people keep asking how to do it... so now they know.
Old 08-27-2001, 05:54 PM
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Originally posted by soopa:
<STRONG>

No, this is for your low beams... the Xenons.

The reason you would want to do it is they often become aimed too high or two low... and this is a neccessity after any sort of suspension modification... especially springs.

The reason this was posted is because people keep asking how to do it... so now they know.</STRONG>
Oh, I'll shut up now!
Old 08-27-2001, 05:55 PM
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Hehe I'm going home to adjust mine. I'm tired of shining the lights at the bumper line. That's not high enought o annoy other drivers
Old 08-27-2001, 05:55 PM
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In that case, thanks for the post cause I am hoping to get my car back this weekend after the modifications which includes shocks and springs.
Old 08-27-2001, 05:57 PM
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Originally posted by HellaWhat:
<STRONG>Hehe I'm going home to adjust mine. I'm tired of shining the lights at the bumper line. That's not high enought o annoy other drivers </STRONG>
i hear that
Old 08-27-2001, 05:59 PM
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Well, further instruction then...

To do this...

Park your car on a flat surface facing a flat reflective wall. I'd say about 10-15ft away maybe?

When you turn your lights on you will see a sharp distinct line where the beam ends on the wall.

Mark this line as a place holder and make only slight adjustments.

1 inch above that line really makes a big difference in the height of the beam at a distance.
Old 08-27-2001, 06:08 PM
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left = up and right = down or vice versa?
Old 08-27-2001, 06:16 PM
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HEY SOOPA,

THANKS FOR THE POST, I'VE BEEN WANTING TO RAISE MY LIGHTS EVER SINCE I GOT THE SPRINGS BUT COULDN'T FIGURE IT OUT. THIS WAS A GREAT HELP.

BTW: IS IT LEFT OR RIGHT TO GO UP?
Old 08-27-2001, 06:33 PM
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Look at bottom center of the following pic...

There is an embossed symbol on the plastic that looks like this "U <-> D"...



That tells you the direction to turn... if your facing the cabin of your car up is left and down is right.

But like I said... just mark where your lights are on the wall before you adjust them... and you will be able to know exactly what direction youve changed and how much.

Mark where your front bumper is too that way you can come back after testing your lights to adjust them further if need be.
Old 08-27-2001, 08:43 PM
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Thanks Again!! I'm going to try it now. As soon as I find a level spot
Old 08-27-2001, 11:38 PM
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grrrrr......i tried this and still my HID bulb refuses to budge. the drivers side bulb is still positioned much higher than the passenger side bulb....and its still annoyingly bright. when i clear out my headlights im going to try to lower the bulb manually (w/o touching it with my bare hands obviously). is that a bad idea? if that doesn't work its dealership time.... blah....
Old 08-27-2001, 11:52 PM
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Originally posted by id:
<STRONG> grrrrr......i tried this and still my HID bulb refuses to budge</STRONG>
hmm. does the gear move?

if the gear moves and the light doesnt... then go to a dealer.

dont try to do it yourself... thats what a warranty is for.

just have them check it at your next service appt.
Old 08-27-2001, 11:55 PM
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gear moves and light doesn't. guess i'll have to get it checked at the dealer. think they will give me crap if i have cleared headlights by then? Having a CAI doesn't void the warranty does it?
Old 08-27-2001, 11:59 PM
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Originally posted by id:
<STRONG>gear moves and light doesn't. guess i'll have to get it checked at the dealer. think they will give me crap if i have cleared headlights by then? Having a CAI doesn't void the warranty does it?</STRONG>
Yes they will prolly give you shit if youve cleared your lights... depends on the dealer.

Just bring it in before that.

And no, the CAI wont affect your warranty but it can give you trouble at the dealer if there is a problem that could relate to it.

your headlights arent related
Old 08-28-2001, 12:04 AM
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I fixed it!!!! my headlights are stright now!!
I used a 10mm. and turned it to the left.
I also tried using a flat head, but that was for ajusting the lights from right to left.
For adjusting the light up and down. there is a 10mm bolt on the other side that can but turned also.
Old 10-14-2004, 04:25 PM
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can't see the pics
Old 10-14-2004, 08:54 PM
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Originally Posted by convitcon
can't see the pics

That's cause this thread is three years old grave digga.
Old 10-22-2004, 01:23 AM
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yeah, the pics would be nice, i actually need to do this-- you want to do it for me?
Old 10-23-2004, 10:43 PM
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dood...I'll go take pics for you guys if you want...fairly simple procedure...and one of the best things you can do for our car (for free that is )...the lights are WAY too low stock.
Old 11-18-2004, 10:39 AM
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Some pics would be really helpful , I just put on some 2003 headlights and my beam is kinda... not good. LOL .
Old 03-10-2009, 12:14 AM
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its been a century and still no pics
Old 03-10-2009, 08:57 PM
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my lights are to low also, try to figure it out between the gears and bolt.
Old 03-12-2009, 10:01 PM
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to adjust low beams just turn the gear with phillips i think it anti clockwise to move the beam up and down other way around, also there is a U <--> D sign that you can follow right on the plasitic cover above the gear behind the headlight. Then while parking your car on flat surfae and 10-15 feet away from a wall, probably a grage or parking deck just adjust away your lights. I can post some pics tom. if u need.

Last edited by victypes; 03-12-2009 at 10:03 PM.
Old 03-14-2009, 01:54 PM
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well if your 10-15 feet away, how high/low do you adjust them to? Cause i think both my lights need to be adjusted. I switched to 03s and i had to lower the beam to take out the socket of the inverter.
Old 03-17-2009, 03:45 PM
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in my personal experience and how far i like the beam to go i adjusted mine at about 15 feet and top of beam at same hight as top of headlights. Now ofcousrse you could drive at night and see if that works for you and adjust again.
oh by the way love the rx9 wheels dont know why acura didnt come up with something like that, out of couriosity what kind of adjustments you made to fit 18x8.5

Last edited by victypes; 03-17-2009 at 03:48 PM.
Old 03-17-2009, 05:02 PM
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^ Rx-8, and he posted the same questions here: https://acurazine.com/forums/2g-cl-tires-wheels-suspension-54/rx-8-wheel-fitment-495402/

I'm going to try adjusting my headlights as well, I think they are out of whack too ever since I had to replace an inverter...some pics would be nice!
Old 03-18-2009, 02:17 AM
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Thanks for the compliments victypes. They wheels are only 18x8 though. I cut my rear fenders and thats it.

and good find on the thread onese1f.

If i dont get it right, then i might take it to a lamp certification place. They do adjustments. But i have 1, im hoping, correctly leveled headlight that i will base my other one off of.
Old 03-19-2009, 04:11 PM
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I'm going to be trying adjustments either tonight or tomorrow night pending the time I have free. Pics of course will be up!
Old 03-19-2009, 06:17 PM
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alright, let us know how you do it. I mean i know how to work the adjustments on the headlight, i just dont know how high i should go.
Old 11-07-2013, 03:32 PM
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Can someone please post pics? That would be very helpful thanks!
Old 01-14-2014, 05:06 PM
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Originally Posted by convitcon
can't see the pics
[IMG][/IMG]
Old 07-31-2016, 10:57 PM
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I have an 2005 Acura TL and I cant get the adjusters to move using a philips screwdriver. I installed HiDextra aftermartket HID kit after my stock burned out. Im not sure if they are just aimed too low, or not nearly as bright as the stock. I bought the brightest ballast/bulb combo they offer. I feel it is not even safe to drive at night with my current situation.

Can you elaborate on the 10mm adjustment point?

The only way I can drive on the highway is if I turn my fog lights on also, which are much brighter than my headlights now.

Thank you for any advice.
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