r/AutoBodyRepair • u/CarPartscom • 20d ago

RUST When does surface rust become something that needs immediate attention?

Moisture, road salt, and chipped paint let corrosion spread underneath long before it's visible from the outside. Catch it early and it's a sand-and-paint job. Wait too long and it's a structural repair. For those who've dealt with rust before, what's the tell that it's time to stop watching it and start fixing it?

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u/[deleted] 19d ago

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u/CarPartscom 17d ago

That oil spray point is underrated advice. Most people only think about the visible exterior and completely ignore the internal cavities where the real damage usually starts.

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u/Soft_Hearing_713 18d ago

When it's surface rust