Author Topic: Headlight adjustment.  (Read 264 times)

Kenneve

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Headlight adjustment.
« on: December 06, 2017, 04:56:30 PM »
I have just fitted a pair of Halfords 150% bulbs to my Mk3 Jazz and find that the dipped beam is marginally too high for my liking when the adjuster is set to position '0' and too low when on position '1', which means I need to manually adjust the headlight assembly.
Can anyone tell me where the adjusting screws are? As the handbook regards this as Dealer only action.
Many thanks.

culzean

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Re: Headlight adjustment.
« Reply #1 on: December 06, 2017, 07:05:24 PM »
I have just fitted a pair of Halfords 150% bulbs to my Mk3 Jazz and find that the dipped beam is marginally too high for my liking when the adjuster is set to position '0' and too low when on position '1', which means I need to manually adjust the headlight assembly.
Can anyone tell me where the adjusting screws are? As the handbook regards this as Dealer only action.
Many thanks.

Look behind the headlights for a coloured button with a hexagon in it for 6 or 8mm Allen key and normally a screwdriver slot as well.  When I have adjusted headlights before I normally shine them on a garage door and before adjusting mark a definite point on beam with coloured sticky tape (top edge of beam or hotspot) as a reference point to see which way I'm going when I turn adjuster.  If you can't find anything as described above to adjust on your mark 3 the adjustment may be done a different way to earlier models.
Some people will only consider you an expert if they agree with your point of view or advice,  when you give them advice they don't like they consider you an idiot

Kenneve

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Re: Headlight adjustment.
« Reply #2 on: December 07, 2017, 08:36:07 PM »
Many thanks Culzean, have had a further look and it's nothing like what you describe, no hexagons or screwdriver slots. It's back to the drawing board!.

Jocko

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Re: Headlight adjustment.
« Reply #3 on: December 07, 2017, 09:42:23 PM »
Personally, I would stick it in to a local garage and ask them to set the beam. They will do it using their beam checking unit, and it will be accurate. Last time I did that, the guy made a slight adjustment to one headlight and didn't even charge me. It took all of two minutes.

culzean

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Re: Headlight adjustment.
« Reply #4 on: December 08, 2017, 09:08:27 AM »
Many thanks Culzean, have had a further look and it's nothing like what you describe, no hexagons or screwdriver slots. It's back to the drawing board!.

It may well be a 'software stop' (as we used to call them on robots and servo systems) which can be adjusted from control pendent without manual intervention (the value was then held in memory)  - as opposed to the normal 'hardware' stop which was a moveable block with switches on it.   Trouble is a software stop needs some kind of feedback from encoder or resolver which I doubt they would fit on a headlamp adjustment.
Some people will only consider you an expert if they agree with your point of view or advice,  when you give them advice they don't like they consider you an idiot

Kenneve

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Re: Headlight adjustment.
« Reply #5 on: December 08, 2017, 10:16:24 AM »
It's probably me that's the problem. it's just my impression that they are a mite high.
Nobody coming the other way has flashed me, so there can't be much wrong.
Thanks guys for your responses

culzean

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Re: Headlight adjustment.
« Reply #6 on: December 08, 2017, 11:48:50 AM »
It's probably me that's the problem. it's just my impression that they are a mite high.
Nobody coming the other way has flashed me, so there can't be much wrong.
Thanks guys for your responses

maybe because the beam is brighter and shines further may be misleading.
Some people will only consider you an expert if they agree with your point of view or advice,  when you give them advice they don't like they consider you an idiot

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