Ninehigh
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| posted on 28/5/13 at 12:20 PM |
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Headlights popped again
This is the third one I'll have put in in the past year, and last time I replaced both at the same time with identical ones.
Since the light only breaks every 4 months or so, and it's not really a pita to get a new one and replace it, is there anything I can look for
to potentially solve this problem? I'm not going to put a lot of effort into it (or money) but if there's something common and easy?
Thanks guys 
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Ben_Copeland
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| posted on 28/5/13 at 12:52 PM |
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Tintop or kit?
They go sometimes if there's bad connections or if the headlights loose. They can vibrate around in the holders which shortens their life
considerably.
Ben
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Grimsdale
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| posted on 28/5/13 at 01:08 PM |
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is it a h4 headlight on a kit? is it wired so that both filaments are light when on main beam? if so, they don't last long.
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adithorp
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| posted on 28/5/13 at 01:15 PM |
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Tere's a few possible causes...
If it's H4 and dip filament is still on with main beam.
If you touch the glass of the buld when fitting it.
If the alternator is overchargeing (this would blow other bulbs as well).
If it's subject to a lot of vibration.
If you're buying cheap bulbs.
If you're just unlucky.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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PSpirine
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| posted on 28/5/13 at 02:09 PM |
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My passat seems to go through headlight bulbs (H1 and H7) at an alarming rate.. I've put it down to vibration in an old clunky headlamp
cluster.
I've tried different brands, worn gloves when fitting them etc. and doesn't seem to resolve the problem. Voltage diagnostics suggests no
overcharging so no idea what black art is at play here.
Less than a minute to change the bulbs though (not like some modern cars!), so I just carry spares around.
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Ninehigh
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| posted on 28/5/13 at 03:18 PM |
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Yeah tintop
Probably a combination of vibration, lots of use and being french
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Canada EH!
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| posted on 28/5/13 at 03:22 PM |
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Does Lucas still make light bulbs?
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britishtrident
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| posted on 28/5/13 at 03:37 PM |
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If one lamp it is usually down to a poor earth connection, if both lamps either over charging or crappy bulb You can't depend on big
name bulb makers I had problems with Osram Nightbreaker H7 bulbs only lasting only a few months. Last year I bought H7 Neon boosted output
bulbs from of all places my local news agents! branded "All Ride" half the price of the Osrams (or if you buy bulbs from Halfords 1/4
the price) they have been great.
I have also had problems with tail light and also brake light bulbs burning out but switching to Bosch bulbs fixed that.
[Edited on 28/5/13 by britishtrident]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Ninehigh
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| posted on 29/5/13 at 08:57 AM |
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I swapped it this morning, and instead of the filament snapping like normal there was a small piece stuck to the glass. I tapped the side and the
whole filament just fell off like it had corroded if that means anything to anyone? I'll check what I can of the earth when I get a day off
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coyoteboy
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| posted on 29/5/13 at 11:42 AM |
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It's hard to tell really, a corroded looking filament suggests the bulb has leaked and allowed air into the void, allowing oxidation. This could
be due to vibe loads on the legs. Or it could be me reading too far into it.
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rusty nuts
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| posted on 29/5/13 at 06:52 PM |
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If you can find them Osram do a longlife replacement headlight bulb
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Ninehigh
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| posted on 30/5/13 at 06:29 AM |
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I'll look out for them for next time
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