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Hi, I don’t suppose you have the name of the company do you? We have the same issue.We’ve had this happen on our Golf diamond cut alloys,, believe it’s called ‘white worming’. We took it to a company who for £400 did a fabulous repair that made the wheels look like new. That was two years ago and so far so good they’ve not reappeared. In our case we didn’t use VW specific alloy wheel cleaner to cause the problem in the first place but would have used some generic alloy cleaner.
When I replaced my wheels I found that some wheels have Winter Rated Paint finish, obviously not the bling Diamond Cut ones.I have the same wheels and they now look so bad I'll likely replace them this year. I've never used any fancy alloy cleaner or a jet wash on these wheels, though its possible my VW garage has when its been in for a service.
They rust unless looked after or given a good paint coating.Steels for winter. End of conversation.
They rust unless looked after or given a good paint coating.
Painted alloys like Springfields have no problems either.Steels for winter. End of conversation.
Chops Garage on YouTube did a rush diy repair on a 'diamond cut wheel' just leaving a sanded finish on the exposed aluminium. It contrasted nicely with the black. Not advocating this for £70k Cali's, but it does suggest diamond cut could be replaced with a sanded finish... Either from new (preferably) or in restoration. It still gives the raw aluminium vs black which everyone seems to want (or be given!). It would improve the chances of the lacquer surviving, and limits the amount of weakening that occurs in the lathe.I have never under stood why car manufacturers insist on fitting diamond cut alloy wheels to just about everything these days. They always end up corroding like this. Any minor chip or scratch is all it takes and I suspect you don't even need those for corrosion to begin. The diamond cutting leaves a fairly sharp edge around the profile and no amount of lacquer will ever build up a sufficient protective layer on a sharp edge, hence it becomes a weak point.
I think the above is meant for @Perfectos ?Hi hawthorn37, this paint bubbling has started on my vw palmerston alloys on the inside black edges, after my service I was told it was stone chips and not covered by warranty. I did think to myself that's really difficult to get multiple areas all on the inside corroding and not a single bleamish on the outside. I really look after my wheels and only use soap and water to clean. I would believe vw more if there was external signs of corrosion to match. Have you got any proof that vw replaced them or any pictures?
Welcome to the ForumHi hawthorn37, this paint bubbling has started on my vw palmerston alloys on the inside black edges, after my service I was told it was stone chips and not covered by warranty. I did think to myself that's really difficult to get multiple areas all on the inside corroding and not a single bleamish on the outside. I really look after my wheels and only use soap and water to clean. I would believe vw more if there was external signs of corrosion to match. Have you got any proof that vw replaced them or any pictures?
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