If the paint has bubbled, then that could suggest they’ve been repainted by a previous owner with an unsuitable paint - i.e. one that’s not able to withstand high temperatures as the calipers will get hot as a result of brakes usage. Assuming they have been repainted, then the calipers might not have been prepped prior to repainting.
I don’t think your warranty will cover it. Assuming your warranty is VW’s Approved Used warranty, then it’s a mechanical and electrical warranty covering sudden and unexpected failure of mechanical and electrical components. Paintwork is part of the ‘bodywork’ definition and bodywork is a specific exclusion.
I’d suggest you use a high temperature paint when repainting them or a paint that’s specifically designed to be used on brake calipers. It might also be worth watching a few ‘how to’ YouTube videos on the best way to prep and paint them.
High temp paint - got it! Any ideas what brand would do the job? And I think you’re right with the “badly prepped and re-painted” theory. See the picture below, it’s starting to bubble across so might need to strip the callipers out and repaint the unit.
Thank you! So Atomic Red is the colour then. Mind if I ask why you had to repaint yours?
Last time i did mine i used TechniQ Brake Caliper paint. I cant read the tin properly as paint has run down the side of the can but it looks like - Atomic Red
Is Atomic Red the exact colour name for the brake callipers? Also kind if I ask why you had to repaint yours? Is this a common occurrence?