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Is There A Diy For Headlight Adjustment?

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  • 4 years later...

Since owning a 996 C2 one of my problems has been with headlight adjustment.  I have the dipped beam right for UK driving with the correct cut off and the dipped beam is excellent.  However, the full beam has never been good.  I have tried high power bulbs and now I have HID's replacing the H9's in the full beam slot.   The light intensity is great, but the direction is poor.


There is nothing wrong with the adjusters accessed from the trunk, but I notice that the mechanism moves both the high beam and dipped beam when the height adjuster is turned.  Both the high beam and low beam reflectors move together.  The consequence of this is when the dipped beam is right and gives good light for its purpose, the high beam is too low.


On inspecting the internal mechanism at the back of the reflectors I did notice that of the four nuts holding the low beam mechanism in place, the lower ones on one light were not fully tightened.  When I tightened them slightly I was able to close the angle between the full and dipped beam reflectors.  As a result, by setting the dipped beam correctly I have managed to lift the direction of the high beam.


Is there any adjustment guidance available for the internal mechanism of the lights?


Obviously care must be taken with tightening the nuts on the mechanism as they close onto a plastic housing.  However, if they are loose the angle between the two reflectors would be wrong. 


Thanks for reading



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