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Water behind tail light

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Old 12-30-2019 | 03:17 PM
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Default Water behind tail light

Hey guys --

This is a new issue that just cropped up on my 992 C2S -- only on my left tail light. Seems to be a failed seal. I'm in touch with my dealer for a service appointment. Wondering if anyone else has experienced this.

D

Old 12-30-2019 | 04:29 PM
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My wife's 2019 Cayenne did that the other day. Will keep an eye on it to see if it comes back.
Old 12-30-2019 | 05:52 PM
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I have the same issue with the same taillight. Figured that I will have them take a peek when I bring it for the next 10k mike service in Feb/March.
Old 12-30-2019 | 06:29 PM
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Had the same issue with the drivers side rear light and had it replaced.
Old 12-30-2019 | 06:53 PM
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Originally Posted by Pegg
Had the same issue with the drivers side rear light and had it replaced.
Have you all ever used a pressure washer? Driven in the rain? Any reason why that should happen. I HOPE that doesn't happen to mine.
Old 12-30-2019 | 07:46 PM
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Originally Posted by jmaikamon
Have you all ever used a pressure washer? Driven in the rain? Any reason why that should happen. I HOPE that doesn't happen to mine.
Pressure washed fine. Driven in the rain?? I get that some of you baby your rides, but not being able to drive in the rain isn't something I'd accept from a car.
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Old 12-30-2019 | 08:11 PM
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Originally Posted by dhirm5
Pressure washed fine. Driven in the rain?? I get that some of you baby your rides, but not being able to drive in the rain isn't something I'd accept from a car.
My wife and I was 2 miles from home in my 991 when it started to drizzle. I made it back home before it started to rain and drove here GLS. We were a little late.
Old 12-30-2019 | 08:42 PM
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Yes -- I use a pressure washer on my weekly maintenances washes, same as my other vehicles. I've never had a problem like this before (including the 991.2 I owned previously), so I think it's a defective drivers side tail lamp.
Old 12-31-2019 | 12:03 AM
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This thread recurs on a regular basis whenever a new 911 generation or facelift is released. Short answer is, it's 100% normal. Those lens assemblies aren't hermetically sealed. There will be some condensation under various conditions.

Some dealers have been induced to replace them just to make the customer happy, but at the end of the day Porsche does not consider this to be a failure, and will (presumably) not reimburse the dealer for replacing them under warranty.
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Old 12-31-2019 | 07:50 PM
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Originally Posted by Noah Fect
This thread recurs on a regular basis whenever a new 911 generation or facelift is released. Short answer is, it's 100% normal. Those lens assemblies aren't hermetically sealed. There will be some condensation under various conditions.

Some dealers have been induced to replace them just to make the customer happy, but at the end of the day Porsche does not consider this to be a failure, and will (presumably) not reimburse the dealer for replacing them under warranty.
Really? I'm pretty sure the units in Bimmers are indeed sealed, and condensation is cause for replacement under warranty if it hasn't expired. I haven't seen this in my 991.2. Are those also susceptible to occasional condensation?

EDIT: googled and answered my own question. @Noah Fect appears to be correct.
Old 12-31-2019 | 07:53 PM
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Originally Posted by dwaldi
Hey guys --

This is a new issue that just cropped up on my 992 C2S -- only on my left tail light. Seems to be a failed seal. I'm in touch with my dealer for a service appointment. Wondering if anyone else has experienced this.

D
Make some noise. It’ll get covered under warranty.
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Old 12-31-2019 | 08:52 PM
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Completely normal and designed this way on purpose. The LEDs are sealed people...
Old 01-01-2020 | 01:51 PM
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Bad seal. Same thing happened to my 2019 GTS this summer after a car wash. Threw a code too. Service appt and dealer replaced the tail light under warranty. Easy fix.

https://imgur.com/a/Hz5qBno
Old 01-01-2020 | 03:54 PM
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I've seen hazing on the insides of the headlight and taillight housings after a wash depending on the weather conditions. It usually clears up in a few hours.

My concern with seeing the photos from the OP is that there are water droplets all over the inside. That's a lot of moisture in there.
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Old 01-03-2020 | 08:36 PM
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Hey all—

I just had my dealer, Rusnak Westlake, replace the tail light today under warranty. I suspect this is a common issue among 992s.

D
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