Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26776
No doubt it would be possible with the correct equipment and knowledge. However, I have neither.
When I have replaced the unit and cured the problem I might chuck it in the oven and see if I can get it apart.
From what I can see through the bulb aperture is a gimbal arrangement with the hid lamp fixed to it. This has motors gears and wires.
All wires visible seem to head into an alloy finned box at the bottom of the lamp.
There was some brass and other dust inside the unit which might indicate a physical problem with the gimbal or it’s drive system.
2nd May 2018 9:16 pm
Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
Gareth, If it was me, I'd need cast iron proof of the fault before I replaced such an expensive item. The reason for this is, I have my doubts about the main dealers diagnosis.
Again, if it was me, I'd take the car to Landranger and ask for their opinion, that won't cost anything. Those boys are very knowledgeable on all things Land Rover and I'd put their opinion higher up the credibility scale than I would a main dealer whose response would be to continually replace parts until you hit on the problem solver.
At the very minimum, I'd swap the two headlights over to see if the issue shifted sides. Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
sadly I've only got halogens … so not a suitable swap.
3rd May 2018 7:25 am
Gareth Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26776
I just tried swapping the headlamps over. The fault code moves with the headlamp.
Original fault is :
HCM-Headlamp
B1D65-87 (AF) Motor operation malfunction of right actuator - Bus signal/message failure - missing a message
( on 03-05-2018 10:26:08 at 148847 km )
When swapped, cleared fault, checked again it becomes:
HCM-Headlamp
B1D64-87 (AF) Motor operation malfunction of left actuator - Bus signal/message failure - missing a message
( on 03-05-2018 10:23:43 at 148847 km )
So in my mind this exonerates any fault with the wiring or cjb.
Going to try and dismantle the lamp. Nothing to lose!
3rd May 2018 9:35 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73094
Nothing to loose, as long as it doesn’t put your car off the road through no light that side.
What about looking for a cheap non adaptive that side, just “to do” until you join DG, change to a D5 and have every young child you drive past burst into tears.
3rd May 2018 9:40 am
Gareth Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26776
Don’t be silly Del! There’s no chellenge in that!
Now who remembers what temp the oven needs to be to melt the glue and not the plastic?
Member Since: 12 Aug 2014
Location: Southampton
Posts: 1832
I don't think anyone has had any success in prising apart the D4 light clusters ... so good luck with the trail blazing Stolen - D4 Loire Blue
D4 Bali Blue
3rd May 2018 10:44 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8231
How about changing the CCF to none adaptive? -just remember LR main dealers love taking money off you It can when others can't,
It will when others won't,
It goes where others don't.
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