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Hi. I have honda civic 2007 automatic blue color. I have scraped out rust with 80 grade sand paper and then with wire brush. There is no more rust, no hole created or no loss of metal that I can see.

A) Do I still need to use Bondo body filler?
B) I can use any standard primer?

Thank you.

 
Rep Power: 243

Sounds like it was surface rust. I’m sure the Canadian or more northern guys will have some stuff they recommend.

 
Rep Power: 222

Rust converter on bare metal
might need a thin skim coat or some spot putty to bring the surface back level
Primer
Paint

 
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After sanding it down, using drill driver with a wire brush, still there are black spots. Do I need to remove these black spots also and get into metal or no? Sharing the pic. Thank you.

 
Rep Power: 126

This is where the rust converter comes in. It'll help with that. Apply it like paint. 1-2 coats is fine. Then bondo, prime, paint.

I've done this an unfortunate amount of times.

 
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Thanks a lot for your help... I am cleaning this rust also. This rust so tough to remove. No matter how hard I try with 40 grit sand paper, periodically putting rust remover then sanding with 40 grit sand paper also using IKEA drill driver with wire brush, rush not getting removed. Any idea, how to deal with this rust?

 
Rep Power: 222

Knotted wire wheel, mini sand blaster, naval jelly

 
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Thanks for all the advice. Now, the rust is gone. There is a hole now. Inside of that hole and on the side there might be rust, how to fix that? spray WD40, or spray anything?

 
Rep Power: 222

More rust converter, and then stuff called chassis wax, there's sticky metal mesh you can cover the hole with. Then bondo and paint.

 
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Hi. This is the rust under the jab corner. I cannot reach easily. I will use wire brush to take some rust and then can I use rust reformer (those coating), will it work?

 
Rep Power: 222

Better than nothing

 
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Hi guys. Im done with rust removing and then bondo, prime, color, clear coating. But there is a problem. I painted with my masking tape on and now the paint hardened and I feel if I take off the masking tape it will peel off the nearby paint.

What do you think?

 
Rep Power: 126

What I usually do is gradually remove the tape (like a few mm at a time) and respraying gradually to help blend. That'll help with any potential damage, but there shouldn't be. The match looks decent at least.

But yeah, typically you'd want to remove the paint during the drying process, not after.

 
Rep Power: 222

Peel carefully and hope

 
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Hi.

1. I have clear coat peeling off. If I use 800 grit sand paper on the clear coat (saw on youtube videos), wont it damage the color (or base coat)?
2. Also How far from the peeling coat should I sand?
3. Do I sand on exposed base coat or avoid sanding it and only sand clear coat?

Thank you.

 
Rep Power: 222

Sand the entire affected area, as long as you dont sand the base coat too much you'll be fine