The car body is one of the most important and expensive parts of it. Unfortunately, even in the era of car autopilots and electric motors, not every car can boast the impressive performance of such a relatively simple structural element. This is because the body metal of a number of cars begins to rust quickly enough.
How, where and why
Metal corrosion is a natural process that develops as a result of the contact of metal, water and oxygen. The longer the contact of the listed substances in one place takes place, the higher the degree and probability of the onset of oxidation. Having formed in one place, rust begins to gradually eat into the metal and very soon a real hole may appear there.
Most often, corrosion occurs where water stagnates for a long time. These are places with poor ventilation. Rust also appears very quickly in places where exposed metal has formed. Practice shows that most often "rusty disease" manifests itself on the wheel arches, trunk lid, door edge, thresholds, bottom (primarily in the rear of the car), under a plastic body kit, as well as in all kinds of cracks and drainage channels.
Which cars are at risk
Nowadays, manufacturers are taking a number of measures to protect the car body from rust. The first and most important line of defense is, of course, paintwork. Galvanized bodywork is also highly capable of providing long-term protection. However, it is important to understand that the speed and likelihood of rust development is also influenced by the quality of the steel used for the production of the body. If low-quality steel was used, especially with a high proportion of slag content, then it will be extremely difficult to protect such a body.
As for specific cars, everything here can vary greatly from a specific model, generation and place of assembly of the car. For example, previous generations of "Japanese", first of all Mazda and Honda, did not perform in the best way. Domestic cars have traditional problems with bodies and paintwork. At the same time, such European brands as Renault, Peugeot and VW are doing well. Chinese cars have shown surprisingly good results in recent years.
READ ALSO: What does the fish sticker located on the back of the car mean?
What to do
First, when choosing and buying a car, you should find out if its body is galvanized. If not, then galvanizing should be done. Secondly, you always need to vigilantly monitor the state of the body paintwork, as well as the places most vulnerable to corrosion. Thirdly, the car needs to be washed regularly, including in winter. Given the domestic specifics, in the winter, the car must be washed first. If rust has already appeared, then the principle comes into play: "the sooner the better." Once a rust spot is found, it must be removed by treating it with a converter. The problem area should be primed and painted.
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Want to know even more interesting things? How about reading about how to remove rust from metal parts with a simple tool that stands in the kitchen cabinet in every house.
A source: https://novate.ru/blogs/300919/51916/
