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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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XC70 Headlight ProblemViews : 746 Replies : 5Users Viewing This Thread : |
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May 5th, 2021, 12:08 | #1 |
New Member
Last Online: May 7th, 2021 09:52
Join Date: May 2021
Location: Falkirk
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XC70 Headlight Problem
Good afternoon all,
I'm now on my 3rd Volvo, so finally decided to join the club. The car is a 2004 XC70 Japanese import. I have a problem with condensation in the nearside headlight unit. The glass is intact so there is no obvious route for water ingress. My initial thought was to replace the unit, but having been quoted about £800 for the part (#30655903) I am extremely reluctant to go that route. I haven't been able to find a secondhand unit yet, although I have only been looking for a couple of days. If any members have had a similar issue and found a solution, I would appreciate your comments. Thanks, Rob. |
May 5th, 2021, 12:09 | #2 |
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Last Online: Aug 7th, 2023 16:27
Join Date: Mar 2018
Location: Leicestershire (with VIDA pm me)
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A quick (very temporary) fix is to chuck a few packets of silica gel into the back of the headlight housing. Making sure it's not going to catch on any hot parts, of course.
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Current - 2004 Volvo V70R Titanium Grey - 67k 2008 S60 2.0t Sport Electric Silver - 156k 2000 V70 Classic 2.4M Signal Red - 240k 2001 Audi A6 C5 Sport Avant 1.9 TDi - 173k |
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May 5th, 2021, 12:18 | #3 | |
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Last Online: Today 22:02
Join Date: Oct 2014
Location: Near Bicester, Oxon
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Quote:
Remove the unit. Remove all bulbs and available electrics. Fill with water to locate the leak(s) - it'll/they'll likely be between the lens and the housing where they glue together (don brave trousers for that step!). Mark location carefully. Using a good quality clear silicone (I used Loctite), and after very careful drying (hairdryer on cool is good) & cleaning with a suitable solvent, fill the leaky area. Bask in a job well done Various guides on YouTube, but that's the essence, and what I have done successfully. |
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May 5th, 2021, 14:25 | #4 | |
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Last Online: May 7th, 2021 09:52
Join Date: May 2021
Location: Falkirk
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May 5th, 2021, 15:09 | #5 | |
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Last Online: Apr 26th, 2024 08:06
Join Date: Aug 2010
Location: Walderslade....Kent
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Quote:
I opted for an alternative route; I removed the rear black caps and ran the car for a week or so with DRLs on and the caps removed to dry everything out. I assumed the leak was between the lens and the reflector seal and so coated the whole of the existing seal with a very thin layer of silicone sealant ie I didn't separate the lens from the reflector. I drilled a 10mm hole just below the centre of each cap, then using cuff sealant (a totally waterproof glue used for dry suit neck and wrist cuffs) glued a piece of Gortex cut from an old anorak across the holes - any water that does get in afterwards is effectively "steamed out" via the "one-way" Gortex, the side that faces the body of the wearer needs to face the inner side of the headlamp unit, so moisture can only go one way ie out of the light unit keeping it dry. Some models of the V70 have this type of headlamp unit cap factory fitted so you might find a pair on eBay or from a breaker.
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto Last edited by ASt85; May 5th, 2021 at 15:16. |
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condensation, headlight, xenon |
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