Headlight Aiming Question

Buffman · Post by **Buffman** » Mon Nov 10, 2008 12:29 am

On my 92 there are two 8mm screws. Lower corner does up and down from what i saw on the wall. Upper screw closet to radiator did left to right.

However, there's another bolt at the top of the headlight that has markings on it with L and R, and it takes an allen wrench to adjust that. What is that adjustment screw for?

Matt

Post by **Legacy777** » Fri Nov 14, 2008 7:58 pm

Any chance you could get a picture of the bolt/screw? I am not as familiar with the post face lift legacies.

Buffman · Post by **Buffman** » Fri Nov 14, 2008 11:41 pm

Yeah I'll snap a picture.

Ebay pic.

Upper left hand corner:

tahiti350 · Post by **tahiti350** » Sat Nov 15, 2008 4:44 am

I saw taht on my '92 also, but haven't gotten far enough to mess with minor things like lights... I'm curious too though.

Post by **Legacy777** » Mon Nov 17, 2008 7:42 pm

Hmm....it may just be an indicator. I'd have to look at the service manual to see if they mention anything.

Buffman · Post by **Buffman** » Mon Nov 17, 2008 11:34 pm

it has a 5mm hex in it so it appears it can be adjusted. But what it adjusts not sure.

Post by **Legacy777** » Fri Nov 21, 2008 7:52 pm

I've looked at the FSM, and it really doesn't show things in detail.

Any chance of getting some better pictures of exactly what you're talking about?

93forestpearl · Post by **93forestpearl** » Fri Nov 21, 2008 9:33 pm

The headlights on both of mine have that. I messed with it and it didn't seem to do anything.

tahiti350 · Post by **tahiti350** » Fri Nov 21, 2008 9:37 pm

I believe he's talking about the kind of brownish post at the upper left in the picture. Would be upper outer corner looking from the back of the light.

Buffman · Post by **Buffman** » Fri Nov 21, 2008 10:09 pm

I'll go out and snap a pic today.

Buffman · Post by **Buffman** » Fri Nov 21, 2008 11:29 pm

evolutionmovement · Post by **evolutionmovement** » Sat Nov 22, 2008 12:43 am

It's got a spring or something in it. Maybe some type of adjustable vibration damping mount.

cj91legss · Post by **cj91legss** » Sat Nov 22, 2008 6:42 pm

I think when you Adjust your headlights left to right the inner Mirror like peice that is holding onto the bulb is pressing on that Dowel. So it's kinda of like Measuring how much you're moving the light left or right.

Post by **Legacy777** » Mon Nov 24, 2008 7:01 pm

Yeah, it's a measuring device to help you get the lens centered or adjusted properly.

SubaruFred · Post by **SubaruFred** » Wed Apr 06, 2011 3:04 am

According to the owner's manual it is the "beam angle gauge (horizontal movement)". Adjusting the allen screw changes the gauge reading but I am not sure if this is for reflector angle adjustment or gauge calibration. My focus today was on vertical adjustment. If I learn more about the horizontal adjustment, I'll post more on it. This thread contained the only useful info I could find regarding 93 Legacy headlight adjustment.

Post by **Legacy777** » Thu Apr 07, 2011 6:28 pm

This page may help.

http://dsl.torque.net/tech/aim/aim.html

SubaruFred · Post by **SubaruFred** » Sat Apr 16, 2011 7:13 pm

That's some great info on generic headlight aiming, thenks. I'm also curious as to what the 2 remaining adjustment screws do. It appears that the outermost 8mm adjustment screw is for horizontal beam alignment but if so, what does the hex head screw in the horizontal alignment gauge do?

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