Rust on the brake disc - where did it come from and how to get rid of it?

Corrosion is the enemy of the braking system and has a negative effect on braking performance. Therefore, keeping your shields healthy should be on every driver's priority list! How to get rid of rust effectively and how to protect brake discs from it? We advise!

What will you learn from this post?

• Where does the rust on brake discs come from?
• How to remove rust from brake discs?
• How to protect brake discs from rust?

Shortly speaking

Rust on brake discs occurs when the brakes are in constant contact with moisture and dirt. This is a natural and inevitable phenomenon. However, with proper care and use of the car and the use of appropriate preparations, the formation of rusty deposits can be slowed down. A rust remover or sander will help remove any visible rust.

Why do brake discs rust?

Brakes are one of the most important, if not the most important component of your vehicle. Therefore, the brake system is no joke. Any inattention reduces the effectiveness of braking, and this can end in tragedy. It is better to constantly monitor and maintain all system components. The worst enemy of brakes and an obstacle to their smooth operation is, of course, rust.

Rust forms on the surface of cast iron brake discs. natural and inevitable phenomenon... This is not dangerous as long as the layer does not become excessively thick. If tarnishing does not cover the entire disc surface and it can be assumed that this will not affect braking performance, the brakes are considered to be in good working order.

Weather promotes rust formation

A factor contributing to brake disc corrosion is unfavorable weather. High air humidity, frequent rainfall or residual slush mixed with road salt makes the brakes constantly wet and the steel is susceptible to corrosion. It even helps slow down these processes significantly. storage of the car in a dry heated garageand frequent visits to the car wash to wash off dirt before it can cause harm.

Can rust be removed from brake discs?

Removing the rust layer is possible - there are at least two proven methods for this. The only problem is that the deeper the corrosion has progressed and the thicker the plaque, the thinner the shield will be from this battle. And this, of course, will negatively affect the brakes in the future.

Mechanical rust removal - sanding

Rust is a deposit that covers the surface of the brake disc with a layer of ore. To expose cast iron again, it can be disposed of mechanically. with grinder... However, this is a risky and invasive method and weakening the discs can reduce braking performance.

Chemical rust removal - rust removers

You can try to clear out the smaller cavities on the brake discs and secure them for the future in one go with a child's play. preparation SONAX Odrdzewiacz with a primer... It works by converting active rust into an inactive, highly adherent protective coating. Ideal as a base for further paintwork. In addition to the drug, the kit includes a scraper for removing plaque, a hard brush for cleaning the surface and a soft brush for applying a preservative.

Protecting brake discs against rust

To protect discs from corrosion, they can be coated with a special anti-corrosion varnish. Before you start painting them, you should thoroughly clean the surface of grease and dirt. Chemical cleaning is an easy process that can be done at home with the reliable K2 Brake Cleaner, for example.

In addition to mounting the brake discs, the calipers can also be painted. K2 offers colored paints that not only have anti-corrosion properties, but also give the vehicle a sporty character.

It is best to take care of your car in advance and protect the brakes from rust. Because when it's too late, all you have to do is replace the disks with new ones - which, as you can imagine, is expensive. So run now on avtotachki.com and find a rust remover and care product for yourself. And if that: we also have replacement brake discs!

You can find out more about fighting rust in a car:

https://avtotachki.com/blog/konserwacja-podwozia-jak-zabezpieczyc-samochod-przed-korozja/»>Konserwacja podwozia – jak zabezpieczyć samochód przed korozją

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