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I had condensation today...........

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Old 10-09-2005, 10:48 AM
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Default I had condensation today...........

drivers side. just a little. Fvck! I already have that 30 gram metal container of silca in there. I pulled the housing to check to see if it need to be reactivated...........it was OK.
Oh well, we'll see.
Old 10-09-2005, 11:05 AM
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Default same symptom here...

happens on both of my ecodes everytime I wash the car. It sucks that you spend a couple hundred on these things and this happens...

Oh well, it goes away for me after about a day. I'd still buy them.
Old 10-09-2005, 11:39 AM
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You have the worst luck w/ condensation.
Old 10-09-2005, 12:22 PM
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Default I have the 40 gm silica canister...it just fits in the housing under the bulb.

<ul><li><a href="http://www.jakesmp.net/CSD_Silica_Gel/CSD_Silica_004_M.html">silica</a></li></ul>
Old 10-09-2005, 09:01 PM
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Default Hey DD! I have had that trouble with the S4 ecodes also, I just discovered the cause...more...

Well I tried sealing the lens to housing body, double checked the housing rear cover seal, etc. and that did not help. The actual cause of the water getting inside the housing is the outer beam adjuster "O" rings. They loosen due to compression set after a while causing the leaking of water past the "O" ring.
On the outer beam adjusters, there is a plastic cover over an offset gear drive for the vertical drive shaft that is geared to the leveler motors at the other end. The outer adjusters are for the up/down beam setting. To access the "O" rings, first remove the headlights from the car, next, remove the torx screw and the cover on the outer adjuster. Lift the vertical drive shaft up and out of the housing. On that shaft you will see the "O" ring near the upper drive gear. Replace those "O" rings with O rings with the same ID as the OD inside the O ring grove (I measured ~8 mm or .315") but with a thicker O ring section. An OEM O ring measured about 1.8mm (.070") section width. Try fitting an "O" ring measuring 8mm ID with a ring section of about 2.5mm (.098") An "O" ring measuring 5/16" ID with a section of 3/32" is a good choice. Carefully file a bevel on the edges of the O ring grove to fit the wider "O" ring section. I used powdered graphite to lubricate the O rings. Grease can squeeze out and make the adjusters real hard to turn after awhile.
My housings have had ZERO fogging since I replaced these O rings. They would fog up after every rain fall or car wash. I know for sure that the water was getting in the housings at these adjusters because when I pulled the shafts out, there was water drops on them below the "O" ring.
My new DCam should be here tomorrow if pics are needed.
Old 10-09-2005, 09:13 PM
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Default Awesome investigation!

I'm going to simply cover up that outer adjustment hole and see how that works. The process to fix the o-ringe sounds like a PITA, but I'll do that in the long run.

Thanks for the info!
Old 10-10-2005, 02:22 AM
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Default Unbelievable!, Oh wait, this is Audi.

pics, when you get time. thanks!
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