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How To Sort Rust?

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I've got a zs fiesta,there's some rust on the underside of the car that I want to sand down and then paint with that black paint seal stuff.

What I wanna know is,do I just simply use a wire brush bit on my sander,or do I need to use certain grit sandpapers?

Anyone tell me or show me a link with a good guide,much appreciated.


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If it's just surface rust the literally sand it all off. Do not leave 1 spec on there as it will come back very quickly.

Then paint it with the black sealant paint.

However if it's not surface rust and goes through ( try stabbing it with a screwdriver) then it will be a welding job.

Sent from my C5303 using Ford OC mobile app

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Use an intense sandpaper (the lower the number the better - 400 grit for example) and treat it all up. then, if you have KRUST - you can then wipe down all the area that you just sanded with KRUST and leave it to dry. Once its dry, then you can use the sealant

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The camera flash made it look thinner than it is,but I will put a thick second layer on it,didn't have the best of brushes to apply it either lol.

cars lowered so even on the jack the vision wasn't that great.

Sent from my iPhone using Ford OC

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