Automotive stringer: operation, maintenance and price

The spar of the car is an integral part of the chassis of the latter. Made of carbon steel or aluminum alloys, the side members are the elements that provide vehicle rigidity. They are located on both sides of the chassis and are often the first to suffer in an impact or accident. accident.

🚘 What is the role of the vehicle spar?

The spar of the car is one of the most important parts that make up the frame of the car. How Frame is subjected to heavy loads, especially during braking, acceleration or in the tightest cornering phases, it must be reinforced rigid metal elements.

The spars have variable height because they are vertical chassis walls, the shape and size of which depends on the car model. They are large iron bars whose role is to provide the rigidity of your car.

Due to their location, they are often the first. bent or twisted on impact... The spar usually supports the vehicle body and is located on the sides and front of the vehicle. Your vehicle's fender is attached to the side member and the front side member can be easily removed using the cross member.

To keep the spar in place, it is welded to the wheels and apron. Thus, it is an important element for safety of your car and in particular in the event of a collision, since the spar can deform to a greater or lesser extent.

🔍 Where is the spar on the car?

The side rails of the car are placed on either side of the chassis on the side parts as well as on the front of the vehicle. They are not immediately visible because they are located su bodywork : disassembly therefore it is necessary to observe them and check their condition.

These steel sheet boxes painted anticorrosive paint to maximize their lifespan and prevent rust attack that could ruin them.

🛠️ How to repair a side member of a car?

If your side member has been damaged in an impact or collision, it must have undergone more or less deformation. Unfortunately, due to the nature of the composition, the spars are difficult to repair when they are deformed.

In addition, since these are expensive items: you need to check if their replacement will cost more than the current value of your vehicle. If yes, then your car will be considered economically irreparable and advise you to buy a new one.

The spar is one of the elements that are checked during the technical inspection, therefore it is important to keep them in good condition and protect them from rust so that they do not pass the technical inspection..

How to weld a car's spar?

Welding a spar is an extremely complex maneuver that requires a lot of know-how to perform correctly. This is an operation only possible by a bodywork specialist car.

Indeed, if it is poorly welded, it will affect the geometry of the vehicle and this can lead to significant damage to the vehicle.

How to remake a car's spar?

If you want to remake your car's spar, you can on your side remove all screws from the latter and sand some areas... However, leave the welding work to the pros to avoid jeopardizing the overall structure of your vehicle.

How to straighten a car's spar?

When your spar is deformed, the chances are very small that you will be able to straighten it. Even if you can straighten it manually, it will not be positioned correctly and this will affect the geometry of the car.

💸 How much does an automobile spar cost?

Automotive spars are quite expensive parts, and their installation is very difficult. On average, the price of a spar fluctuates within 60 € and 300 €... This is a part you shouldn't skimp on on a budget, because if the spar isn't compatible with your vehicle, the consequences can be dramatic.

The spar of the car is a little-known part, but necessary for the safety of the car. It is very often one of the first devices to be damaged by an impact or collision and must be replaced by a professional.