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2007 S60 Headlight D2R vs D1S bulb question...

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
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cn90
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2007 S60 Headlight D2R vs D1S bulb question...

Post by cn90 »

Hi,

Hope someone can help me.

My 2007 S60 has HID headlight bulb, D2R type as shown (pic is from random internet photo).

The plastic lens: I have polished it and it is nice and transparent.
But I notice the L side is a bit less bright than the R side when driving on highway at night.

So the question is: can D2R bulb degrade with time, i.e., produces less lumen as it gets older?
I know the old-school H7 bulb does not do that, it is either alive (bright) or dead, nothing in between.

Thanks for any info...

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D2R-Bulbs.jpg
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Last edited by cn90 on 20 Jul 2024, 21:06, edited 1 time in total.
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abscate
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Post by abscate »

I’ve always found the reflectors are the things thst degrade Volvo lights, not the lens or bulbs. How do those look?
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br0dy519
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Post by br0dy519 »

RE: the H7 bulbs "dimming". I only replaced driver's side bulb last failure and the new bulb is noticeably brighter than the older passenger bulb. n=1 sample size
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prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.
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erikv11
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Post by erikv11 »

cn90 wrote: ↑20 Aug 2022, 11:32 ... But I notice the L side is a bit less bright than the R side when driving on highway at night.

So the question is: can D2R bulb degrade with time, i.e., produces less lumen as it gets older?
I know the old-school H7 bulb does not do that, it is either alive (bright) or dead, nothing in between.
...
Swap the bulbs across sides, make a judgement on what to do with actual parts you have. May be more rewarding than soliciting and/or chasing hearsay!
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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cn90
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Post by cn90 »

Thanks for all the replies...

The car is with my son in college some 600 miles away.
Next time I have opportunity to look at it (probably will install 2 new bulbs at that time) and will report back.
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erikv11
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Post by erikv11 »

Swapping bulbs around is a perfect first maintenance job, teach him it's not just a black box that moves him around town he'll appreciate it eventually!
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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br0dy519
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Post by br0dy519 »

One of mine turns 16 next year, looking forward to those late night panicked tire blowout calls :lol:
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.
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abscate
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Post by abscate »

br0dy519 wrote: ↑22 Aug 2022, 12:16 One of mine turns 16 next year, looking forward to those late night panicked tire blowout calls :lol:
I’m proud of mine, and they are legendary as being the only ones who can change a tire, jump a battery, or break into a lockout.
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Post by scot850 »

Abscate I don't know if I should admire your kids or be terribly afraid!! :shock: :D

Neil.
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cn90
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Post by cn90 »

- The car is still some 600 miles away from me. I will visit my son in college soon.
- Question: how do I know which bulb is in the car?
- Is it D1S vs D2R?

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