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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


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Old 04-30-2012, 01:13 AM   #1
jacobzking
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S14 headlight aiming adjustment HOW TO (kouki specific)

I looked to see if thread already existed, and only found stuff with bad descriptions or wrong information. I thought it was nearly impossible to get my headlights adjusted, but quickly learned that it was super easy and even a hard like my self can do it within a few minutes. This guide shows kouki adjustment procedure, but I hear its the same for zenki.

As far as what/where you should be aiming... you want to be on a level street parked with your headlights 25' away from a wall. "Draw" a straight line from the headlight projector to the wall (when you park, it makes it easy if you can park on the middle of a concrete seam line that follows the car up to the wall for easy reference when eyeballing it). So if your headlight is 24" off the ground, your aiming mark on the wall should be 24" off the ground (unless there's a curb then compensate for that). The driver side should be about 2" lower (so in this case around 22"

In short, point the headlights straight ahead. There is a cutoff mark that basically goes like this: ___/ on each side to show you were the middle of the beam is.

I like to cover one headlight beam with a box or whatever so that the other beam doesn't blend in or confuse me.

Each headlight has 2 adjustment screws; one for vertical adjustment and one for horizontal adjustment. There is also a "level" bubble indicator (which does have 2 screws but those just hold the level mounted to the headlight assay; don't touch those.

The 2 adjustment bolts face towards the engine bay, they are 8mm. Just get a short 8mm socket and adjust accordingly.

Really easy.

This is a "good enough" guide. It may not be 100% by the FSM but its a good general guide. Happy night driving.
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