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RichConnell

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Everything posted by RichConnell

  1. I have been having a problem similar to this with my driver's side bi-xenon head lights on my 2008 Cayenne GTS. Unfortunately it has caused enough water encroachment that the control module has gotten water inside and shorted out, along with blowing the D1S xenon bulb. Now there is a need to purchase the control modules along with new xenon bulbs. Porsche has up graded the modules and the modules will have to be purchased as a pair. The new module will not work with the old module in the other headlight. These modules have to be programmed in a pair, and are really expensive. I do not want additional water in the headlamp assemblies once I have installed the modules. So I am trying to determine if there is any way possible to keep water out of the my existing head light assemblies. Your write up seems to help with the problem. Just in the last 3 days, we have had a lot of rain and my headlights were dry before the rain. I was out looking over the headlamps today and there is water in the driver's side fixture. So I will be trying your fix today. Some moisture seems to accumulate in these fixtures due to the high heat created from the bulbs and the cooling factor when the lights are turned off after a night's drive. Relative humidity is also a factor. I believe the newer replacement light assemblies have a desiccant bag inside the housing to accommodate the moisture issues under normal operation, but a leaky fixture introduces more water than these desiccant bags can accommodate. It would be nice to be able to repair the headlight assemblies successfully, but I have not seen any tech notes or published articles on how this can be accomplished. Many of us own the older Cayenne's and will be faced with these aging issues. Purchasing new headlight assemblies, modules, and 2 xenon bulbs are in excess of $3k and a much less expensive solution would be well received.
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