Rear light misting any cure.
- Aido 8
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Re: Rear light misting any cure.
Yah some silicone seal will prevent the water seeping throught that causes the mist up
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Re: Rear light misting any cure.
If you think ahead do you really want to silicone seal your lights to the car?
I "cured" the misting by simply cutting out the gasket section between the light housings, directly blow the boot gutter drain channel. I then ran a fillet of non setting roof/gutter sealant from each side of the channel down the rear boot pane to guide the water. Then I applied the same non setting sealer to the gasket and replaced the lights. There was still some condensation inside but this cleared in a couple of days and they have been clear ever since.
I "cured" the misting by simply cutting out the gasket section between the light housings, directly blow the boot gutter drain channel. I then ran a fillet of non setting roof/gutter sealant from each side of the channel down the rear boot pane to guide the water. Then I applied the same non setting sealer to the gasket and replaced the lights. There was still some condensation inside but this cleared in a couple of days and they have been clear ever since.
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Re: Rear light misting any cure.
I silicon sealed mine in with no joy. I now have new gaskets and am preparing a final assault on the misting problem. I'm struggling to get the old silicon off. Any ideas how to remove it? Do any of the sealant remover remedies work?
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Re: Rear light misting any cure.
I sealed mine with silicone after thoroughly drying them out and all seemed well for a few weeks but now its back!
LEE
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Re: Rear light misting any cure.
Ah, the great silicone debate! Personally, I recommend taking the cluster off, drilling some tiny holes in the bottom of it, drying it out thoroughly and refitting. This allows the atmosphere inside the cluster to equalise with the atmosphere outside. Without differences in temperature and humidity within/without there is no reason for the water vapour in the air to condense. I did this on my right cluster 2 years ago, no probs since. My left has just started to get water in, I'll be doing the same soon. Using silicone you'll always be fighting to keep it sealed. This method seems more long lasting and elegant.
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Re: Rear light misting any cure.
I have holes in one of my lights and I must confess that that one mists up less than the one without. I plan to use non setting gasket sealant on the gaskets this time as well.
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Re: Rear light misting any cure.
The rear lights are designed so that the foam seal isolates the inside of the cluster from the outside air. The bulb holders are not sealed so that the insides of the clusters are connected to the inside cabin space, which should contain relatively dry air.
Once the seals are compromised, damp air can enter the cluster and condensation forms on the inside. Further to this, a build up of dirt around the seal can catch rain water and let it in to the cluster, causing the fish bowl effect.
The best way to address either issue is to buy or make new seals and fit them after cleaning up the cluster and clearing the path for rain water.
I made a set of seals out of 4mm self adhesive neoprene foam:
As you can see I made them two-piece and cut so that water can quickly run down between them, and stuck them to the body instead of the clusters. I've had no problems since
Once the seals are compromised, damp air can enter the cluster and condensation forms on the inside. Further to this, a build up of dirt around the seal can catch rain water and let it in to the cluster, causing the fish bowl effect.
The best way to address either issue is to buy or make new seals and fit them after cleaning up the cluster and clearing the path for rain water.
I made a set of seals out of 4mm self adhesive neoprene foam:
As you can see I made them two-piece and cut so that water can quickly run down between them, and stuck them to the body instead of the clusters. I've had no problems since
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Re: Rear light misting any cure.
Im so stealing that idea Phil! (after ive cleaned all the silicon off )
Where did you get the foam from?
Where did you get the foam from?
LEE
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Re: Rear light misting any cure.
I chucked a bag of silica gel crystals in mine after clearing out the channel and cutting out the middle of the gasket. Worked a treat
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- minisaki
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Re: Rear light misting any cure.
I got some upgraded gaskets but could only get them from America. They did solve the problem though
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Re: Rear light misting any cure.
How much were they? I'll need to do this on mine too I believe.minisaki wrote:I got some upgraded gaskets but could only get them from America. They did solve the problem though
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Re: Rear light misting any cure.
I think they were about £25 from eBay
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Re: Rear light misting any cure.
A fraction of the price of genuine Mazda ones! I must order some on payday.
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Re: Rear light misting any cure.
So, no holes drilled in the lights Phil? My head spins with this problem.Phil Bate wrote:The rear lights are designed so that the foam seal isolates the inside of the cluster from the outside air. The bulb holders are not sealed so that the insides of the clusters are connected to the inside cabin space, which should contain relatively dry air.
Once the seals are compromised, damp air can enter the cluster and condensation forms on the inside. Further to this, a build up of dirt around the seal can catch rain water and let it in to the cluster, causing the fish bowl effect.
The best way to address either issue is to buy or make new seals and fit them after cleaning up the cluster and clearing the path for rain water.
I made a set of seals out of 4mm self adhesive neoprene foam:
As you can see I made them two-piece and cut so that water can quickly run down between them, and stuck them to the body instead of the clusters. I've had no problems since
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Re: Rear light misting any cure.
I did drill one of them years ago, guess which one suffers with condensation now
This is only after a damp night and it very quickly evaporates, but led me to work out what was going on.
This is only after a damp night and it very quickly evaporates, but led me to work out what was going on.
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Re: Rear light misting any cure.
My rear lights misted. but not much. Stuck a really big bag of silica gel crystals in the boot (can't remember the make now, but they were from Amazon) and not had any problem since. Also put a big bag of silica gel in the rear footwell and had no misting of windows inside the car throughout our chilly winter :-)
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Re: Rear light misting any cure.
The cause is the original gaskets collapse, and remain compressed. New ones work for a while, and then suffer the same fate. I used a P shaped household excluder which I stuck to the light cluster so that the top of the P shape laid along the matting face of the light cluster. This was 5 years ago and no repeat of the problem.
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Re: Rear light misting any cure.
Jeez you are a fast worker, its took you 6 month to open the boot
Steve.
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Re: Rear light misting any cure.
This is a common issue with the RX-8
we just wanted to let everybody know that we now have our new Essex Rotary rear light gaskets available.
follow the link and scroll down to the bottom of the page
LINK TO Essex ROTARY SHOP
These are currently in stock and have free shipping.
They come with full detailed installation instructions.
we just wanted to let everybody know that we now have our new Essex Rotary rear light gaskets available.
follow the link and scroll down to the bottom of the page
LINK TO Essex ROTARY SHOP
These are currently in stock and have free shipping.
They come with full detailed installation instructions.
Essex Rotary
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Whatever you need we got it covered
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