It is possible and it's not unheard of, even on Volvos. The only way to be sure is to remove your tyres and inspect the part of the rim where the tyre seats for any corrosion.
If that should be the case then no sealant additive will do more than provide a temporary fix, if even that.
A proper full refurb would cure it, but the partial refurb of the type SMART repairers do won't help at all.
Let us know how you get on.
Quote:
Originally Posted by Kev0607
I can’t see how a refurb will solve the leak.
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In this scenario the leak occurs when corrosion forms and compromises the seal between the tyre and the rim. A proper refurb restores the smooth surface for the tyre to seal upon.