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Water in rear lights G2 car
- Thread starter ian_alex
- Start date
I have this issue with my left rear lamp unit as well and I have had to drain twice this year. I am actively looking for a replacement.
Couple of questions:
1. Will condensation in the lamp result in a MOT failure / advisory?
2. Part number of my unit is 997.631.417.03/LV . However, I cannot find the exact part number on the porsche part retailer sites e.g. Design911 - nearest I can see is 99763141705. Was unit revised and given a new part number? Are the parts visually identical? My car is a very earlier gen 2 (Oct 2008), though the unit was made in Feb 2010 so must have been replaced by a previous owner.
Couple of questions:
1. Will condensation in the lamp result in a MOT failure / advisory?
2. Part number of my unit is 997.631.417.03/LV . However, I cannot find the exact part number on the porsche part retailer sites e.g. Design911 - nearest I can see is 99763141705. Was unit revised and given a new part number? Are the parts visually identical? My car is a very earlier gen 2 (Oct 2008), though the unit was made in Feb 2010 so must have been replaced by a previous owner.
Check here http://www.deroure.com for genuine parts, always cheaper than D911
If you have condensation or water in the 997.2 rear lights, you need to enable them to breath and get some airflow through them.
Porsche attempted to make them sealed units without the usual little breather tube and this hasn't worked, they really need to breath.
Mine used to mist up years ago, so after trying various things like drying them out etc, I decided to try and improve the airflow. So I removed them from the car, and took off the little cover or sticker that Nigel mentioned earlier in the thread and then drilled, if I recall around 3 or 4 10mm holes in the rear of the housing.
This was about 7 years ago when I did this and the car has lived outside in all weather and they have never misted up or had any condensation in them since.
Its only 2 screws to remove them, plus the connector and then just view the unit from behind and select a few appropriate positions to drill the holes - maybe pilot drill them a smaller size first and be careful only to drill through the first outer casing. This will solve the problem.
Porsche attempted to make them sealed units without the usual little breather tube and this hasn't worked, they really need to breath.
Mine used to mist up years ago, so after trying various things like drying them out etc, I decided to try and improve the airflow. So I removed them from the car, and took off the little cover or sticker that Nigel mentioned earlier in the thread and then drilled, if I recall around 3 or 4 10mm holes in the rear of the housing.
This was about 7 years ago when I did this and the car has lived outside in all weather and they have never misted up or had any condensation in them since.
Its only 2 screws to remove them, plus the connector and then just view the unit from behind and select a few appropriate positions to drill the holes - maybe pilot drill them a smaller size first and be careful only to drill through the first outer casing. This will solve the problem.
davenice said:
I ended up getting a replacement unit as the brake light part of the unit failed, though the indicator part still worked. Interestingly, I did not get a message on the dash to notify me that my left brake light had failed. Paid OPC £435 for it.
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