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  #1  
Old 10-01-17, 17:07
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snowy55 snowy55 is offline
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Default T6 California roof corrosion has started

I am starting this thread so T6 California owners and potential T6 California owners are made aware that the T6 California is subject to roof corrosion.

Here are 3 photos taken underneath the seal on the raising section of the roof on a May 2016 T6 California Beach taken today after our first trip away in her. .







Our much loved 2014 California SE was unsuccessfully repaired twice, the blistering quickly returned and it was booked in for a 3rd repair. We just could not bring ourselves to go through this all again and we made the difficult decision to part exchange it for the 2016 T6 Beach, thinking the problem had been cured. But obviously not!

So, our 2014 SE has it (three times), a loan 2015 SE had it and now our 2016 T6 has it - the roof issue is still the same.
Remember folks when your warranty is up you're paying for your own repairs!

So yet again, we can either look forward to going to the dealers to register a fourth warranty claim for roof corrosion and then to go on a never ending list for an ineffectual repair but instead we are going to return the vehicle first thing in the morning and demand our money back! (See Consumer Right's Act 2015).

We have also cancelled the new T6 Beach we ordered on the 26th March, 2016 which is yet to be built!!!

Another VW will never darken our driveway again.
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  #2  
Old 10-01-17, 18:36
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Default Re: T6 California roof corrosion has started

There is a long running thread on this over on another forum.

I was about to go down this route for a camper...now changed my mind, I'd rather the German Multivan, same as a beach but no roof.
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  #3  
Old 10-01-17, 19:35
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Default Re: T6 California roof corrosion has started

That's pretty shocking!

You are so right to throw it back at them and demand your money back!!
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  #4  
Old 10-01-17, 19:50
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rickyrooo1 rickyrooo1 is online now
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Default Re: T6 California roof corrosion has started

Blimey pay 50k for rust? Aftermarket fibreglass roof ftw
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  #5  
Old 11-01-17, 22:58
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Default Re: T6 California roof corrosion has started

Is the blistering confined to the area under the seal? This is quite common on grp roofs as well. My understanding is that it is due to the seal going on whilst the paint is still curing (up to a month or 2). Water naturally sits in the rubber seal and doesnt dry off as quicky as on the bodywork. It can then cause the paint to blister. Not nice to see, but if its only under the trim its not as bad as all over. Have you burst a blister to see if the ali underneath is actually corroded, or if its just the paint?
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  #6  
Old 12-01-17, 07:05
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Van-Blanc Van-Blanc is online now
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Default Re: T6 California roof corrosion has started

From the pictures it would seem most likely the the problem is not the paint as such but a problem with the seal. If there was a paint problem then it would be less regular and spread in patches.

Are the linear marks in the metal or the paint. The damage seems to be limited to between them. I wonder if they are caused by the seal gripping fresh paint but in any case they seem to be a possible weakness in the paint.

Like Ed says the seal is a U channel so of course it is going to collect water which is always going to be a problem applying a push on seal in that plane. As a result any porosity in the paint however caused is going to allow moisture ingress.

Whatever it's a problem that didn't ought to be there. The best solution I could think of would be for the seal to be stuck on so that there is no way for water to get in.

We are about to have 4 year old Cali roof fitted that seems to be good but I am planning to remove all the trim and seals and make sure any paint blemishes are sorted. The front foil is getting resprayed recpgardless as it is scratched from where it was removed from the donor.

Saying nothing doesn't mean I have no opinion.
It may mean I don't think you are ready to hear it.
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  #7  
Old 12-01-17, 09:18
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Default Re: T6 California roof corrosion has started

No manufacturer can guarantee zero corrosion. A mass produced van even less so.

Have you thought about a plastic car ?

Short on content
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  #8  
Old 12-01-17, 16:04
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Yellow Campervan Yellow Campervan is offline
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T4 Post Icon Re: T6 California roof corrosion has started

So is it a design fault or is the van made of substandard metal and not galvenised properly.

Only asking as I quite fancied a California Beach if anything happens to my T4..

Are all T6's likely to rust or just ones with factory fitted pop tops
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  #9  
Old 12-01-17, 16:35
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Van-Blanc Van-Blanc is online now
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Default Re: T6 California roof corrosion has started

Quote:
Originally Posted by Yellow Campervan View Post
So is it a design fault or is the van made of substandard metal and not galvenised properly.

Only asking as I quite fancied a California Beach if anything happens to my T4..

Are all T6's likely to rust or just ones with factory fitted pop tops
Nothing is galvanised on a T5/T6. The pop up roof is aluminium.

If anything it looks more like an assembly problem. It would be good to find a way to fit the seal without it being a U channel to trap water. I would consider sticking it so that there is no possible gap.

Saying nothing doesn't mean I have no opinion.
It may mean I don't think you are ready to hear it.

Last edited by Van-Blanc; 12-01-17 at 16:38.
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  #10  
Old 12-01-17, 17:20
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Yellow Campervan Yellow Campervan is offline
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T4 Post Icon Re: T6 California roof corrosion has started

Quote:
Originally Posted by Van-Blanc View Post
Nothing is galvanised on a T5/T6. The pop up roof is aluminium.

If anything it looks more like an assembly problem. It would be good to find a way to fit the seal without it being a U channel to trap water. I would consider sticking it so that there is no possible gap.
I think the T4 was galvanised, is that right?
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