Originally Posted by David C
It looks like the protective plastic coating on the pipe gets removed so it can fit into the clip...
Without that coating the corrosion starts.
It wouldn't be such a worry if you could actually see the location, but it is completely hidden.
Thanks David and Chris

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Isn't it rather stupid of Alfa to
remove the protective coating to fit the pipe in the clip? What's the point of having a protective coating if you remove a small portion in a totally invisible place?
