Here's what it looks like on the rear beltline on my 2007. This is one of the photos I sent to Airstream and am waiting on their Reply. Note also the poor workmanship on the NE rivet.
Randy
__________________ Randy and Pat Godfrey
1st VP Florida Unit WBCCI# 7591 - AIR# 17017
2007 Safari SE 23' - Daisy
2006 Lincoln Mark LT - Hoke
Here's what it looks like on the rear beltline on my 2007. This is one of the photos I sent to Airstream and am waiting on their Reply. Note also the poor workmanship on the NE rivet.
Randy
That is it! The picture tells it all. Thanks for the picture.
John
__________________ Travel is in my blood, adventure is my passport, aluminum is my favorite construction medium, and therefore, an Airstream was my destiny.
Spent some time this PM hitting the rivets with AC-50. I gave it a while before wiping excess so the product would have time to seep into the cavities. Nearby in the storage lot is a 25' front bedroom-looks to be about a year old. I spent about 5 minutes looking it over, did not see any corrosion. Maybe a more thorough examination would reveal a little, but at most there wasn't much. My '05 built Oct 04 has the four affected areas-each one line only, and all totalled maybe 2/3 inch.
My 05 bought new last fall had the same. The only fix was to remove panels (segments) or install a beltline trim. I chose the latter with sanding/sealing the spots as I did not want to "open a can of worms". I do have several off station rivets as well. It appears that the segments have pre punched holes in them, and I actually have 2 that missed the holes, and have sealant in the holes.
I dont want to freak out about the corrosion issue, however I am concerned with what the long term (that is 10years old +), effects are. I wonder if the aluminium is pitting under the bubble?
[...] I am concerned with what the long term (that is 10years old +), effects are. I wonder if the aluminium is pitting under the bubble?
Me too!
Sadly, I can confirm the AL below the clearcoat is most definitely pitting. *sigh*
As promised, I checked my 2007 Safari -- built 10/2006, parked in San Diego ~ 5 miles from the ocean in my own yard, and alas, no overhead cover -- and it had a couple of spots (click for larger):
corrosion started on the R.S. tail light assembly:
corrosion well entrenched on the grab handle by the door:
The handle's clearcoat had already flaked away in the affected area. Scratching at it with my fingernail reveals a rather rough surface and some powdery debris. I'd guess that if the handle were attached with some sort of gasket this wouldn't be a problem. It certainly looks as if the mating surface is completely unsealed, as the corrosion seems to be eminating from those surfaces.
I found many buck rivets to be a little "off center", so some of the clear coat is actually bunched up a bit around them (over bucked?). Fortunately, no signs of corrosion that I could see other than the pictured spots.
Going in, we expected this trailer to be with us for decades...hope so? Guess I'll be ordering some of the treatments noted here...
OK since I like to worry this looks like something I can get my teeth into.
My classic 25 2006 is just shy of 2 years and I have given it a good look no problems as of yet. But even before this thread I had decided to treat seams with Aviation CorrosionX. Now I may make the Rivits a target as well. I have owned private aircraft since 1974 until a year ago when someone stole my new engine off of it. I guess I should have worried a little more about that.
Anyway other than those products mentioned I thought I would mention this one. No smell, won't hurt the paint or coating according to them. Only thing is once used it will weep for quite awhile requiring clean up.
My unit, described in post #20, was purchased new from a Florida dealer that was ~20 miles from the Gulf coast, and I towed it home in the winter upon which it may have received some road salt. It has been stored inside except for January through October of 2003, and May through October 2006. It has been washed a few times, and Walbernized about 3-4 times. I attribute the skin corrosion problem to:
- clearcoat lifting at edges
- factory holes for accessories and trim
- rivits
- tiny road chips in frontal surfaces
Once started, it worm-tracks all over. ACF-50 and the like might help prevent some initial problems, but may not help much for advanced problems as the corrosion continues underneath the clearcoat. It seems that where the clear has not failed, it works fine. Where there is the tiniest breach - the clearcoat actually appears to make the problem worse.
The corrosion of the trailer wheels, license plate frame, exterior lights, door handle, etc... is easy to fix (temporarily) by replacing the part. The skin is a much more serious problem. I believe that Airstream has a systemic problem, they know about it, and are choosing to do nothing about it because the warranty is only for 2 years. They do not appreciate that the Internet will spread the word quickly, and their principal asset (the Airstream brand) will erode.
The best thing you can do before using any of the selant type products is get the seam really clean. Then rinse it with de-ionized or distilled water and let it dry.
Filiform corrosion starts as a little microscopic bit of material that is cathodic to aluminum. With a little bit of moisture, it forms a tiny concentration cell. It invariably happens under a coating, otherwise the environment is too dry for the corrosion to proceed.
I don't have any filiform corrosion on my uncoated '59.
If you wash your pride and joy with water that is just the slightest bit hard, the calcium salts will form a hard water spot on the unprotected edge of the seam. That hard water spot is enough to cause a corrosion cell. Imagine if you live close to the ocean?
Everything else said above about seams and rivet holes makes alot of sense. I would just make sure the last step before you use the corrosion preventer is a DI water rinse.
Andy from Inland posted Dave Schumann's email address. I decided to give the company another try and I have emailed him the situation and perhaps he may have some solutions that the support folks didn't or couldn't suggest.
Here is the content that was sent:
Dear Mr. Schumann,
Andy of Inland RV posted your email to the airforums today and I felt that having worked with ********** on this issue, that it may be time to get answers from someplace else.
I bought a new 2004 Airstream Safari and took delivery in December of 2003. I've had some issue with this unit, but all issues have been small compared to the corrosion my unit is showing (you can see a few photos of the issue at Airstream Issue) Randy's suggestion to me was that I apply nail polish to the effected areas. The only problem with that is the corrosion is everywhere now and this does not seem like a good solution, nor does it address the root cause. Additionally, Randy said that adding the belt line trim and overlaying panels may also be solutions, of course, now at my cost.
Back in spring of 2005, I drove out to Jackson Center and had some warranty work done. In that list of items were all four rims and both cast aluminum tail lights that were replaced due to what is being described as form fill corrosion.
I understand the unit is out of warranty and I do expect that some level of wear and tear is normal for finishes exposed to the elements, but 30% or more of my body panels are now showing this corrosion (and growing), even though my Safari spends most of it's time indoors in storage when not in use. It has never been used in the winter, nor has it been abused in any way. The unit is kept clean and Walbernize RV Super Seal is applied about 2x per year based on the factories suggestion when I bought my 2003 Bambi.
I'm not satisfied with the fact that I spent about $**k on this trailer to have the body finish totally fail at such a young age. You can imagine my shock to find that many Airstream owners are having the same problem. You can read more about it here:
I'd like to know what Airstream is prepared to do about this issue, and clearly there is an issue. I don't personally feel that we owners should bear the entire cost of any of Airstream's suggested solutions.
I look forward to hearing from you and thanks in advance for you help in this matter.
__________________
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91
Andy from Inland visted Airstream recently and offered to take any questions we had to the folks there. Of course, my question had to do with the corrosion issue. This was the answer that Andy posted. As you can tell, it's an answer, but not a very good one if you ask me (not directed toward Andy of Inland RV).
This means that EVERY Airstream since mid 1999 through today can have this issue. That is a VERY EXPENSIVE gamble that your Airstream won't go through what 16 of us so far are going through.
How would you like to spend $90k on a nice 34' Classic and find that the exterior is corroding like the pics you've seen on this thread? I can tell you I spent less than half that amount and I'm still very troubled by this problem.
Quote:
Originally Posted by Inland RV Center, In
Airstream advises that the new style clear coat can "crack."
That being the case, corrosion can take place.
Andy
__________________
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91
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