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#3191216 - 11/18/13 05:53 PM 04 Toyota bubbled/burned inside the light assembly
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
just in front of the daytime running lights, on the inside of the outer lense a nickle sized "burned/bubbled" area- whats this from? heat from the daytime bulb?
04 Toyota highlander 100,000 miles.
What causes it?
How do I post a pix?

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#3191227 - 11/18/13 06:09 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
dparm Offline


Registered: 04/19/10
Posts: 12503
Loc: Chicago, IL
You'll need to put your photos on a hosting service like Photobucket or Flickr.
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#3191323 - 11/18/13 08:17 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
cpayne5 Offline


Registered: 12/28/05
Posts: 148
Loc: Virginia
Originally Posted By: edwardh1
just in front of the daytime running lights, on the inside of the outer lense a nickle sized "burned/bubbled" area- whats this from? heat from the daytime bulb?
04 Toyota highlander 100,000 miles.
What causes it?
How do I post a pix?


My mother has an '06 with the same thing. The headlights have been like that since she bought it with 15k on it.
_________________________
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#3191405 - 11/18/13 09:50 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
Thanks on the pix advice, most other forums its much easier

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#3191406 - 11/18/13 09:50 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: cpayne5]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
Originally Posted By: cpayne5
Originally Posted By: edwardh1
just in front of the daytime running lights, on the inside of the outer lense a nickle sized "burned/bubbled" area- whats this from? heat from the daytime bulb?
04 Toyota highlander 100,000 miles.
What causes it?
How do I post a pix?


My mother has an '06 with the same thing. The headlights have been like that since she bought it with 15k on it.


I guess Toyota did not test them, Toyota is slowly getting like GM was in the 80s. wonder who will be the next Toyota?


Edited by edwardh1 (11/18/13 09:51 PM)

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#3191414 - 11/18/13 10:01 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
cpayne5 Offline


Registered: 12/28/05
Posts: 148
Loc: Virginia
Originally Posted By: edwardh1
Originally Posted By: cpayne5
Originally Posted By: edwardh1
just in front of the daytime running lights, on the inside of the outer lense a nickle sized "burned/bubbled" area- whats this from? heat from the daytime bulb?
04 Toyota highlander 100,000 miles.
What causes it?
How do I post a pix?


My mother has an '06 with the same thing. The headlights have been like that since she bought it with 15k on it.


I guess Toyota did not test them, Toyota is slowly getting like GM was in the 80s. wonder who will be the next Toyota?


Yeah, Toyota sure does produce garbage these days. Man, bubbles on the headlights. What a complete failure of a car.

Now back to reality. If this is the biggest problem with the vehicle (which so far it is @ 110k miles), I think we can all agree it will have served her well.
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#3191626 - 11/19/13 07:29 AM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
Hokiefyd Offline


Registered: 06/24/04
Posts: 11185
Loc: North Carolina
Originally Posted By: edwardh1
just in front of the daytime running lights, on the inside of the outer lense a nickle sized "burned/bubbled" area- whats this from? heat from the daytime bulb?


No, it would not be heat from the bulb, at least not directly. The bulbs run at less than full power in the DRL mode, and because of that, produce less heat that you might think. It's likely that there is some sort of a manufacturing defect in the lamp housing cover. Heat from the bulb or from the sun (UV, etc) may have accelerated damage from this defect, but as you can see from the rest of the lamp cover, this is just a localized area.

Who is the supplier for the headlamps on that car? The logo will likely be printed into the headlamp housing cover in a corner somewhere. Common suppliers are NAL (North American Lighting), Stanley, Koito, etc.
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2008 Honda CR-V
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#3191692 - 11/19/13 08:36 AM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
here is a link to the pix
http://www.thehulltruth.com/dockside-chat/550715-bubbles-04-toyota-headlights.html#post6179167

I dont think its a defect because its in the exact same place on both headlights, just slightly different size discoloration. I could not find a manufacturer name

Yeah, Toyota has been good, 99,900 miles, no repairs, one small recall, brakes at 85000, and timing belt at 95,000 (maintenance) nothing else has broken


Edited by edwardh1 (11/19/13 08:37 AM)

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#3191869 - 11/19/13 12:02 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
Hokiefyd Offline


Registered: 06/24/04
Posts: 11185
Loc: North Carolina
Does this model use the high beams as the daytime running lights, and is the discolored area exactly in line with the center line of the bulbs, as you look straight at them from the front?
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Cheers,
Jason

2008 Honda CR-V
2005 Acura MDX

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#3191871 - 11/19/13 12:06 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
Hokiefyd Offline


Registered: 06/24/04
Posts: 11185
Loc: North Carolina
Here's a good guess at your answer:

http://mnjsheadlightrestorations.com/home/melting_highlander_lenses

I'm guessing that the lamp housing was manufactured by Koito, as it appears that the original bulbs are Koito. Are either of the bulbs bubbled as shown on that website?
_________________________
Cheers,
Jason

2008 Honda CR-V
2005 Acura MDX

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#3191880 - 11/19/13 12:29 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: Hokiefyd]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
Originally Posted By: Hokiefyd
Does this model use the high beams as the daytime running lights, and is the discolored area exactly in line with the center line of the bulbs, as you look straight at them from the front?


dont know (dont think so , will check)
and
yes in line

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#3191882 - 11/19/13 12:32 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: Hokiefyd]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
Originally Posted By: Hokiefyd
Here's a good guess at your answer:

http://mnjsheadlightrestorations.com/home/melting_highlander_lenses

I'm guessing that the lamp housing was manufactured by Koito, as it appears that the original bulbs are Koito. Are either of the bulbs bubbled as shown on that website?


yes both look just like the picture on the left.
I guess I need to replace the DRL bulbs with another brand to keep it from causing a fire?

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#3191991 - 11/19/13 02:22 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
Originally Posted By: edwardh1
Originally Posted By: Hokiefyd
Does this model use the high beams as the daytime running lights, and is the discolored area exactly in line with the center line of the bulbs, as you look straight at them from the front?


dont know (dont think so , will check)
and
yes in line


correction, the high beams and daytime run lites are the same bulb, the bulb has a large failed bubble on the side of it , like in the mnj web link.
time for new bulbe, bulbs are also 66 watt owners manual says 60 watt.
9005 bulbs. HB#
what are HB# halogen bulbs? all same wattage?


Edited by edwardh1 (11/19/13 02:37 PM)

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#3192019 - 11/19/13 02:45 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
Hokiefyd Offline


Registered: 06/24/04
Posts: 11185
Loc: North Carolina
Edward, as you noted, they're not DRL bulbs; they're the high beam bulbs. The correct nomenclature is HB3, though the trade/sales number in North America is 9005.

The HB3 specification is, to my knowledge, a 65W specification. But I think different regulating agencies rate bulbs at different voltage, so the nominal wattage may be different depending on brand. If you buy standard HB3/9005 bulbs, you will get the correct bulbs. A great baseline bulb is the Sylvania Xtravision from Walmart. They're inexpensive (should be about $17/pair in this part number), they're easy to find, and they last a good long time.

It looks like there was a defect in the OEM Koito bulbs that caused them to overheat. Very interesting.
_________________________
Cheers,
Jason

2008 Honda CR-V
2005 Acura MDX

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#3192103 - 11/19/13 04:06 PM Re: 04 Toyota bubbled/burned inside the light assembly [Re: edwardh1]
edwardh1 Offline


Registered: 01/17/03
Posts: 1608
Loc: Coastal South Carolina
yes the "failed" bub (as we call it in the South) is really failed/bubbled and is ugly looking- surprised it does not fail and cause a fire..

is koito a Japanese brand or us made brand?

Thanks fot the tips and advice on the bulb, I just want a standard but good bulb.


Edited by edwardh1 (11/19/13 04:08 PM)

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