mazda5-rust-1Rust is the worst enemy of your car and is a silent killer. Even after massive protection, your car exterior is prone to rust attack. The best remedy for any rust issue is get it corrected as soon as possible. The worst rust problem is situated in the underside of the car as it is harder to check and not visible from outside. There can be many reasons for the cause of rust in your car. This mainly happens when the paint of the car is chipped off or scratch happens by stone or an accident exposing the metal inside to moisture and air which oxidizes the metal. Rain and storm can further worsen the condition and rust may spread throughout the body of the car if not corrected in time. A stich in time saves nine, so it is best that you get the rust spot corrected at the right time, a few steps to help you remove rust from your car is listed below.

 
  • If you want to treat the rust in your car, first make arrangement for your own safety. The safety equipment which need to be must have on your list is hand gloves, safety glasses and a dust mask. These things will prevent rust, dust and paint spray from entering your eyes or lungs.

  • The next step will be to cover all other parts of your car which you do not want to get dirty with tarp sealed with painter’s tape and this will also define your work area.

  • Before you start rust treatment on your car, it is very important to mask your car properly. Never ever use newspaper as it can allow the paint to seep through it leaving specks on your car window. Use real masking paper and be sure to tape the masking paper properly at the edges to prevent paint sprays passing underneath it.

  • The next step would be to remove the rust using a dual action sander. Use a 80 to 150 grit sander for better control of the speed. Start at 80 grit and speeding up to 150 grit remove the paint along with the primer and any rust that has not fused with the metal. Feel the surface with your fingers for smoothness and check that the surface is level between the painted and unpainted area.

  • Use a metal grinding wheel to remove the rust and then apply rust removing acid to remove even microscopic particles of rust from that area. The most commonly used rust removing acid is phosphoric acid and is commonly available in any auto shop. Finish of the process by sanding using 120 Grit sandpaper. This will give a nice and smooth metal surface.

  • Now purchase a primer best for painting on a bare metal and also a paint spray matching to your car color.

  • To apply the primer you generally follow the instructions given While applying the primer keep in mind that you cover at least 3 feet of area with newspaper. Now wipe the area with mineral spirit or paint thinner.

  • Apply three coats of primer at an interval of a few minutes between each coat. This you need to let dry for at least 12 hours.

  • The next step would be to sand the area with 400 Grit sandpaper. It is mainly used for sanding between paint coats to smooth the surface and degloss, making the paint bond nicely. To prevent the sandpaper being fouled by the paint keep a bucket of water and keep rinsing it.

  • Now spray a thin coat of paint taking care that the paint does not run or sag. To achieve nice color and finish you can use as many coats of paint as you want. Keep this for 24 hours before you pull off the tape.

  • The old and new paint should blend together so that it does not give a patchwork look and to do this buff off the edges. If you apply a clear coat to the rest of the car, it can give your car a new look.

  • Leave the car for curing for 48 hours. You can wash and polish your car but never ever wax it at least for 30 days after painting.

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