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Remove rust and dents with Dremel tools

Remove a dent and rust from your car quickly and easily with our step-by-step guide. In this example a misjudged piece of parking resulted in a scrape along the inside of the garage, damaging the wheel arch. Worse, it had been left unattended for a couple of years and the rain and bad weather had done their worst. To repair this yourself, all you have to do is to check out the items listed below and then follow our instructions. It's a simple repair you can do yourself, making a big difference to the look of your car - and saving you money! 

Materials we used :

Dremel 8200 cordless multi-tool
Dremel Multichuck 4486
Dremel Grinding Stone Accessory 8175
Dremel Carbon Steel Brush 428
Masking tape
Metal paint car primer
Factory colour-matched automotive spray-on paint
Sanding block

Step One

First, pull out the dent using a crowbar hooked under the wheel arch, at exactly the point where the dent is worst, to restore its proper shape. Then, start to remove the rust by sanding it with Dremel 8200, using the Multichuck 4486 to help you change quickly between accessories and the Grinding Stone Accessory 8175, until the bare metal can be seen.  

Step Two

Sand the area around the rust with the Dremel 8200 and the Carbon Steel Brush Accessory 428 to remove any flaking paint and sand until smooth.

Step Three

Skim filler over repair.

Step Four

Sand over entire area with sanding block where the surface isn't entirely even. Do not use the multi-tool for this or you will create grooves in the surface.

Step Five

Tape brown paper or newspaper around the area to be primed. Prime the area with three coats of car primer. Allow each coat of primer to dry for 10 minutes before applying the next coat. Let the primer dry for up to 24 hours. Then spray on paint with matching colour. Leave to dry and set hard in a safe place for 48 hours avoiding leaning on the car, brushing up against it or scratching it.

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