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Recently updated on September 21, 2023 at 08:48 am
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The hood
The bonnet is part of the chassis, which protects the engine and other important parts and mechanisms from damage and contamination and partially absorbs engine noise. The design of modern bonnets is developed by taking into account the increase in the aerodynamic properties of a motor vehicle.
Types of hoods
Based on the production material:
Iron; Aluminum;
Carbon; Glass fiber.
The design of the hood
As a rule, the bonnet is a solid plate made of metal (carbon, glass fiber), which is attached to the supporting part of the body with hinges. The interior of the hood is usually fitted with heat and noise insulating materials. The hinges can be placed near the windshield or near the grille. A lock provides the bonnet attachment in the closed position. An open bonnet is held by specially retractable rods, hinges with springs or with a gas spring.
The racing and sports cars are equipped with a hood that has an air intake, which provides the cooling of the engine through the additional air flow. In some cars, the hood can be placed on the rear or inside due to the engine position. Sometimes there is no bonnet at all, for example in commercial vehicles: the engine compartment is located inside.
Tips for using the hood
You should only attach qualitative locks and matching springs to the hood.
It is equally important to provide adequate protection of the part from moisture, UV rays
and to provide temperature changes. That is why you should check the hood regularly
inspect for damage to the paint.
The defects of the hood
Mechanical damage;
Corrosion
Free movements;
Peeling off the paint.
Causes of defects of a hood
Loosening the fasteners;
Temperature changes;
A lasting influence of moisture;
A strong force influence.
Diagnosis of the defects of a hood
The bonnet defects are easily discovered during a visual inspection. Checking can reveal dents and damage to the paint. A small space between the hood and the chassis, as well as noise from the bonnet while driving, indicate that the locks are loosened.
Repair and replacement of the bonnet
Replacing the bonnet or lock latches can effectively fix some defects. If you have no experience in the maintenance of motor vehicles, the installation of the new components should be entrusted to an expert in a workshop. If the paint is damaged, it must be removed completely and a new layer applied. The bonnet replacement is only necessary in the event of significant damage as a result of a traffic accident or corrosion.
Professional help from PKWTeile.ch
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