LED headlights - OK to cover heatsink with weather seals? - Honda HR-V Forum
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post #1 of 27 Old 12-23-2016, 04:57 AM Thread Starter
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LED headlights - OK to cover heatsink with weather seals?

Hi all.

I just bought and installed LED white headlight bulbs on my HRV. These ones to be exact:

https://www.amazon.ca/gp/product/B01...?ie=UTF8&psc=1

These have heatsinks that make them stick out the back of the housing more than the stock bulbs. I managed to fit the power cable from the new bulbs through the weather seal, and put the weather seals back.

Living in Vancouver, aka the Wet Coast, I'm hoping this is ok to put the rubber seals back over these heatsinks and stop moisture from getting into the housing.

Thoughts?
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post #2 of 27 Old 12-23-2016, 10:18 AM
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Those are super cheap!

I don't have any advice to give, just wanted to comment to see how you like the bulbs

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post #3 of 27 Old 12-23-2016, 10:25 AM
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Quote:
Originally Posted by solidstylez View Post
...
Living in Vancouver, aka the Wet Coast, I'm hoping this is ok to put the rubber seals back over these heatsinks and stop moisture from getting into the housing.
Thoughts?
If you can, keep the heatsink uncovered. Heatsink work on airflow (passive in this case) in order to dissipate the heat.
Covering them, will reduce the efficiency. Also I am not sure how hot yours will get, and possibly melt the weather seal.
Your bulbs are advertised to be "waterproof", so I am not sure why you want to cover the heatsink.

You can also try an experiment with the heatsink without being covered. After having the headlights on for a while, check how hot the heatsink get. Try both low and high beams.
If they do get too hot. then definitely you can not cover them. If they do not get hot, then maybe... But still, I would leave them uncovered.
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post #4 of 27 Old 12-23-2016, 04:37 PM Thread Starter
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I appreciate the feedback everyone!

In regards to why I wanted to put the weather seals on, I was under the impression that this is to help keep moisture out of the headlight housing. Is this not the case?

But I also don't want to burn/melt the weather seals. I was wondering if anyone maybe has tried it with them on.
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post #5 of 27 Old 12-23-2016, 11:58 PM
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I don't know the brand of your light. If it is installed properly the seal would not be covering the heat sink. The metal part on the light in the pic can be removed with a twist and slides out. Install that bracket first then put the seal over it and slide the light back in. Most the LEDs I have seen are installed that way.


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Last edited by Einz; 12-24-2016 at 12:15 AM.
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post #6 of 27 Old 12-24-2016, 03:25 AM Thread Starter
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aaaand I feel like an idiot. Big thanks to @Einz

I've always assumed they were one piece. I didn't know you can take off the metal cap. Guess that serves me right for always throwing the box away and assuming the instructions also mirror what's in the manual.

since the bulbs were already "installed" with the retaining hook in place, I twisted the bulb and sure enough I could pull it out with the plate still there. I put the weather seal back on, put the bulb through no problem, and twisted it back to the plate.

Now the heatsinks are outside like they should be, and the weather seal is protecting the housing!
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post #7 of 27 Old 12-24-2016, 03:27 AM Thread Starter
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and @Phalkon30 , they are nice and bright! Loving these instead of the stock halogens.
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post #8 of 27 Old 12-25-2016, 09:07 PM
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I just order the same bulb! with 3000k for the fog
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post #9 of 27 Old 12-27-2016, 12:49 PM
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Quote:
Originally Posted by solidstylez View Post
and @Phalkon30 , they are nice and bright! Loving these instead of the stock halogens.
How is the throw on these? I get flashed with my stock bulbs when I'm hauling crap in the back, I don't want to be even more annoying with light spilling out in all directions.

I had a bad experience with putting HID in reflector housings, don't want to repeat that for other drivers around me.

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post #10 of 27 Old 12-27-2016, 03:33 PM
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They seem to be copy of the Phillips design. If they did it right, the beam pattern should looked like the Phillips.

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Last edited by Einz; 12-27-2016 at 03:42 PM.
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