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Frequent Bulb Burnout

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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dicktrask
Posts: 3
Joined: 11 July 2005
Year and Model:
Location:

Frequent Bulb Burnout

Post by dicktrask »

I recently purchased a 2001 Volvo Cross Country (V70 XC). I really like the car but inthe 6 month I have owned the car I have had to replace 4 light bulbs, three in the rear and one headlight bulb. I also noticed the error code in the message center is not much help because it is somewhat cryptic. My logic tells me that this frequency is a bit too much. Can anyone shine some light on the issue.

Thanks

Jot
Posts: 593
Joined: 24 January 2005
Year and Model: C30 2010
Location: Orr's Island, Maine

Post by Jot »

Remember Volvo uses daytime running lights (DRL)so the are on all the time.

kelvin6
Posts: 284
Joined: 23 June 2005
Year and Model:
Location: San Francisco CA

Post by kelvin6 »

DRLs can be turned off if you're in the US. The bulbs burning out has been a problem from what i've noticed. Even my uncle's 98 S70 has that sort of problem. I've only owned my 850 for three weeks now, no problem yet.

According to my uncle, there was recall for this problem for certain volvos (i'm too lazy to check). Something with some module.

I'm not an electrician, but i'm guessing that there is more voltage being supplied to the bulbs than necessary. Normally this should never exceed the voltage of the alternator when its running. Or it can be the alternator design where its putting out more voltage, making the bulbs brighter (slightly) and shortening their lives. The correct voltage should be around 13-14V, but never more than 14V!

Other factors is heat dissipation, too much kills bulbs. Remember to never touch the bulb of the headlights, because any dirt or oil on your hands will cause a weak spot on the bulb causing warpage (which is really cool to look at until the bulb explodes).

If this is seriously annoying you and volvo doesn't do anything about it, complain to them and then the NHTSA (if your in the US). I'm not say just you everyone that has this problem should do the same. Volvo/government might even initiate a recall if enough cases are found.

Here is the site:
http://www.nhtsa.dot.gov/cars/problems/
1998 Volvo S70 T5 Auto

1995 Volvo 850 GLT <- RIP

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