flaking paint and rust under front splash guards

I took off the front splash guards and all the paint was flaking right at the edge of the rocker-panel.
Any way to get ford to fix this under the rust warranty?
probably wishfull thinking.
Can someone suggest a fix? Tremclad Rust primer or a rockguard undercoating?
thanks
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The Ford rust warranty only covers penetrating rust originating from inside the panel; rust caused by damage through use, or even badly fitted components, is not covered.
If it is obscured by the splashguard anyway it will be a fairly easy fix as there is no need to match the paint. Rust treatments are OK, but much better to abrade it all back to bare metal and fill / reprime it if you can, or a local garage / body shop probably wouldn't charge a huge amount.
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Things never changed at ford then...
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