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Old 10-18-2015, 09:06 PM   #2261
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Originally Posted by Rocinante View Post
Just a thought: would stainless steel screws do the trick? They are pretty easy to get, though they cost a little bit more than standard steel or galvanized ones.
First Google: will stainless steel screws corrode aluminum
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Old 10-18-2015, 09:27 PM   #2262
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Ok, so that would be a "No." Looks like galvanized steel would probably be better than SS because of the zinc coating, and aluminum would better still. Live & learn.
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Old 10-19-2015, 11:32 AM   #2263
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Corrosion problems with new Airstreams

Hmm two firms in our area that specialize in fasteners say they haven't been able to get aluminum screws for years, and that they only have zinc-plated or SS. No galvanized screws either, though those would have a thicker zinc coating.

Maybe you'll have better luck than us. If you find some, please share a link.
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Old 10-19-2015, 11:43 AM   #2264
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My 2016 FC25 FB Twins is less than 4 months old and is developing what looks like corrosion on all the housings on the marker lights. It is brown in colour, blotchy without uniform shape and sort of looks like freckles one might see on a person's face. It's on the flat surfaces and along the edge where the housing turns 90 degrees towards the lens cap. It's not staining. See pic. It's unlike filiform corrosion in appearance (no filiform on my unit that I can see). It's on nearly all of my running light housings. Has anyone seen this, what is it, and what's the fix?
Looks like Rust to me. My marker lights mounting rings are completely brown from this rust. Watch the license plate light holder go that way too. Chrome rusts. Have been looking for replacements (probably easier than waxing continually) preferably in a hard plastic or rubber composition...
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Old 10-19-2015, 07:34 PM   #2265
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Don't use steel screws with zink or galvanizing. Stainless will work just fine in the AL. Dip the screw first in "Never seize" or a loctite /C5 A copper.


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Old 10-19-2015, 07:36 PM   #2266
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Those running light rings have ways been made of plastic. Unless something changed in 2016, it's not going to be rust.


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Old 10-20-2015, 05:38 AM   #2267
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Those running light rings have ways been made of plastic. Unless something changed in 2016, it's not going to be rust.


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So Howard, What do you think is happening here. Mine have no chrome-like appearance at all anymore. They darkened to the point that I don't see any shine just dull, almost black. Not that noticeable. Is it a chrome like paint that is pealing? Or is it in fact rusting through to the plastic? Would it be possible to sand lightly and use a chrome like spray paint?

I haven't ever taken one apart and had considered replacing mine, but I haven't found the rings themselves.

I have taken apart the rear taillight assemblies which are Chrome surrounds mounted to the Aluminum base (the latter was fraught with filliform BTW). And the chrome there is pitted with rust, very similar to the photo above, just further advanced. Looking to replace those as well.
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Old 10-20-2015, 07:40 AM   #2268
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@gnijman

On a 2016, the bubbling of the plastic appears to be a factory defect and I would think AS would replace these.

This should not happen unless there was an unusual exposure to an environmental hazard.

Just my opinion....
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Old 10-20-2015, 02:51 PM   #2269
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Originally Posted by Tomzstream View Post
So Howard, What do you think is happening here. Mine have no chrome-like appearance at all anymore. They darkened to the point that I don't see any shine just dull, almost black. Not that noticeable. Is it a chrome like paint that is pealing? Or is it in fact rusting through to the plastic? Would it be possible to sand lightly and use a chrome like spray paint?

I haven't ever taken one apart and had considered replacing mine, but I haven't found the rings themselves.

I have taken apart the rear taillight assemblies which are Chrome surrounds mounted to the Aluminum base (the latter was fraught with filliform BTW). And the chrome there is pitted with rust, very similar to the photo above, just further advanced. Looking to replace those as well.
I agree with Msmoto, something is wrong there. I would call AS cust service and ask what they plan on doing to fix all this plastic stuff. Is anybody else with a 2016 having this problem?
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Old 10-21-2015, 11:31 AM   #2270
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Thanks for the comments about the discolouration of the marker/clearance light housings on my AS that was built early summer 2016. I've since looked at all of my marker lights and they are all going the same way, some bad, some worse. I spoke with my AS dealer and they are looking into it. Here are two more pics.
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Old 10-21-2015, 07:01 PM   #2271
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That's odd looking. Let us know what you find out.
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Old 10-22-2015, 05:26 AM   #2272
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Could that be a reaction to something used to wax, wash or polish the skin?
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Old 10-22-2015, 05:53 AM   #2273
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I know the process of chrome on steel. The last auto I really liked had bumpers like that. But, the plating process for plastic?, don't understand. I would bet this is a bad batch of plastic chrome from China somewhere.
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Old 10-22-2015, 06:03 AM   #2274
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My "chrome" rings are completely blackened... 2007 Safari SE. I decided they were consistently dark and hardly noticeable unless you know they are supposed to be shiny chrome, lol.
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Old 10-22-2015, 06:34 PM   #2275
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Could that be a reaction to something used to wax, wash or polish the skin?
The only thing done to it in that vein was the dealer itself applied a Walbernize finish as part of their prep. That was in July when we picked up the AS new. It's sat in my yard until our first trip in October (too busy with the new house) and I discovered the issue when I went to wash to road grime off upon our return. Since AS has been recommending the Walbernize product since forever I doubt that's it. I suspect a defective batch of marker light housings.
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Old 10-22-2015, 10:08 PM   #2276
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A quick internet check showed that my memory about the process of chrome plating plastic is correct. Common is a moderately thick coat of copper followed by nickel and then chrome. Sometimes only nickel is used. From the appearance of the marker light parts, it looks like corrosion has reached a layer of copper.

My 2002 Bambi has the solution: the bases of the marker lights are white plastic. No metallic plating and nothing to corrode. Of course, the plastic will eventually crumble!

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Old 10-23-2015, 04:22 AM   #2277
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Unhappy

Chineeze krome degrades faster because of the global warming air polution.

Kleen well & paint

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Old 10-23-2015, 05:01 AM   #2278
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Get them replaced under warrantee ! You paid big bucks for a premium trailer let airstream have the problem.

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Old 11-06-2015, 01:31 PM   #2279
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My new to me 2007 Classic has filiform on the rims. Just discovered it, but have only owned for about a month. No other signs, as yet.
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Old 11-06-2015, 01:34 PM   #2280
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My new to me 2007 Classic has filiform on the rims. Just discovered it, but have only owned for about a month. No other signs, as yet.
Tow it through some mud on your way to an awesome remote camping spot and forget all about it! We live in a highly corrosive environment, this will happen!
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