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Halogen lights alignment
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Winger
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Member Since: 15 Feb 2005
Location: UK
Posts: 3425

2016 Discovery 4 3.0 TDV6 HSE Auto Aintree GreenDiscovery 4

Eggsactly.

There may well be something wrong with the alignment, but the dynamic nature of the adapatives - as you point out - makes the adjustment more multi-dimensional that a simple fixed halogen lamp.

As the vehicle is new, I'd suggest a trip to the dealer to check it out, once the DIY wall analysis is complete. And I certainly wouldn't be amazed if it turns out the vehicle was released to the customer with the alignment off!
  
Post #55588324th Nov 2009 9:53 pm
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thriftwood
 


Member Since: 27 Sep 2009
Location: Bedfordshire
Posts: 156

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

I'll be amazed if it wasn't Rolling with laughter
I'll keep you posted Whistle
Thanks guys
Richard
  
Post #55589724th Nov 2009 10:41 pm
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GraemeS
 


Member Since: 17 Mar 2008
Location: NSW
Posts: 706

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Nara BronzeDiscovery 4

I've just caught-up with this thread and it seems that the adaptive lights suffer from the same problem as the non-adaptive bi-xenons where the halogen high beam is out of alignment with the bi-xenon beam.

My vehicle's bi-xenons were adjusted at the dealer's yesterday whereby the lights were switched to high beam shining on a wall and then adjusted down to what the person thought would be a good level for the halogen beams - a real technical solution! The 400 km after-dark drive home was interesting to say the least, with the halogens now lighting-up the tree trunks (they might actually be quite reasonable at ground level), the bi-xenons on full beam a glaring spot just in front of the vehicle and the dipped bi-xenons cutting-off less than 10 metres in front of the vehicle giving me less than 5 metres of lit road.

Time to get the screw-driver out and fix the low-beam stuff-up.
  
Post #6149624th Mar 2010 11:54 pm
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CountryTanker
 


Member Since: 11 Nov 2009
Location: Monmouth
Posts: 44

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Galway GreenDiscovery 4

Richard (Thriftwood) or anyone else with this issue,

Has this been 'fixed' by LR or have they acknowledged that there is a problem with the head light alignment which needs attention?

Grateful for any additional information you might have,

CT
 1996 D1 (Legendary workhorse) - now KIA
2010 D4 HSE 
 
Post #64128226th Apr 2010 3:52 pm
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thriftwood
 


Member Since: 27 Sep 2009
Location: Bedfordshire
Posts: 156

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

My car goes in on 4th May for the dealer to look at it. They have not acknowledged it as an issue yet but to be honest I am not sure they understood what I was trying to tell them. I have a photo in my gallery of the alignment error. If someone could post a picture of a correctly aligned one then I can show them the difference and hopefully they will be able to fix it.
I take it that your car has a similar issue?
I'll let you know what transpires next week.
Richard
  
Post #64143126th Apr 2010 8:06 pm
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thriftwood
 


Member Since: 27 Sep 2009
Location: Bedfordshire
Posts: 156

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

My garage have taken some pictures of the alignment error and sent them to LR to ask if this is normal.
Given that some folks here seem to have no alignment issues (with their headlights at least Very Happy ) could someone please post a picture of a set of xenons with the halogen infill "correctly" aligned. At least then when I get told "they're all like that sir" I can point to some that are not Smile
TIA
Richard
  
Post #6451815th May 2010 5:16 pm
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GraemeS
 


Member Since: 17 Mar 2008
Location: NSW
Posts: 706

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Nara BronzeDiscovery 4

My light assemblies were replaced yesterday but the new ones are still possum lights.
  
Post #70444316th Oct 2010 9:02 pm
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GraemeS
 


Member Since: 17 Mar 2008
Location: NSW
Posts: 706

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Nara BronzeDiscovery 4

thriftwood wrote:
..could someone please post a picture of a set of xenons with the halogen infill "correctly" aligned.

Maybe there aren't any D4s, only D3s.
  
Post #70444516th Oct 2010 9:07 pm
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caverD3
 


Member Since: 02 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

A fault in the manufacture or design of the D4 lights. Alignment is done by moving the whole unit so if the relationship between the halogens and the xenons is not exact the lights will never be able to be aligned properly. The only solution is to adjust either the halogens or the xenons to match the other.
LR will be desparately trying to avoid acknowledging this as it will mean the replacement of all D4 xenon lights.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #70445716th Oct 2010 10:24 pm
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GraemeS
 


Member Since: 17 Mar 2008
Location: NSW
Posts: 706

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Nara BronzeDiscovery 4

Yep, that's my conclusion too.

I have fitted HID globes with part of the locating tab removed so as to slant the globe in its mounting which has stretched the beam down to a useable height but the top of the beam is still in the trees. I previously tried this with the halogen globes but light intensity was too low to be useful, hence the HID globes. I tried re-aligning the bi-xenon's globe in its mounting but the light pattern was poor so set it back to original. The bi-xenon assembly's aim is what really needs correcting, perhaps with just a washer under each of the top screws, if only they were reasonably accessible.
  
Post #70453717th Oct 2010 10:56 am
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 4990

United Kingdom 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

just done alignment on me xeons...... and must say LR documentation is full of Censored

job very easy done it in 10 minutes happy to guide anyone if needed let me know via pm
  
Post #70781924th Oct 2010 5:46 pm
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MJIbex
 


Member Since: 13 Sep 2009
Location: Reading
Posts: 179

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

So is it a fact that the beams can not be adjusted in relation to each other? (as this is what I have been told). Mine looks like this (Xenons - non adaptive):-

Dipped Beam
Click image to enlarge


Full Beam
Click image to enlarge


Mark.
  
Post #70798524th Oct 2010 10:26 pm
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caverD3
 


Member Since: 02 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Mark
You won't be able to spot possums with those they don't look too bad. Very Happy
It looks like some are ok.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #70798824th Oct 2010 10:30 pm
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MJIbex
 


Member Since: 13 Sep 2009
Location: Reading
Posts: 179

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

I agree, they're not silly high, and in the centre of the pattern all is fine; just stange that you get half dark wedges at the sides!!
  
Post #70799224th Oct 2010 11:02 pm
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GraemeS
 


Member Since: 17 Mar 2008
Location: NSW
Posts: 706

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Nara BronzeDiscovery 4

I disagree. Those halogen beams wont hit the ground anywhere and are useless. With a bit more distance you will see possums as they are pointing upwards, not parallel to the ground. They already only light the tree trunks way above ground level when up close. Maybe one has to be behind the wheel trying to see in dark roads to appreciate the uselessness of where the halogen light shines.
 Home of LLAMS, for LRs and Jeep GCs  
Post #70800225th Oct 2010 3:11 am
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