Front shock absorber: the device and varieties

Modern cars are able to provide maximum comfort to the driver and his passengers while driving. So their suspension effectively absorbs shocks that in the salon they almost do not feel. For comfortable movement used by many, but few of us thought that it ensures the machine is so gentle. The answer lies in the chassis, which is one of the most important parts – the shock absorber. This at first sight primitive part takes over the entire workload, stress and shocks which are transmitted to the wheels when hitting the hole.

In fact, the design of the front shocks is no different from the back. Even the load they perceive the same. No matter where you install the shock – in front, behind - all the same it will provide cushioning when driving a car.

Front suspension strut, however, as the rear has the following components:

• Case with eyelet;
• The piston valves compression and impact, and rings;
• The cylinder and the spring;
• Sealing elements;
• The damper shaft complete with eyelet and the housing;

The Variety

At the moment there are three types of racks of shock-absorbers. It's oil, gas and gas oil.

The First type of shocks is the most gentle and affordable. Basically, these devices are being Packed with family cars. Gas and gas-oil front suspension strut intended for cars with a sports bias, so they often include in the same category. As for comfort, these parts provide less cushioning than oil. But their design and composition eliminates the possibility of boiling oil. This is achieved by the presence of nitrogen gas. In the pits they are very hard and mostly are operated on smooth roads. And since CIS is road - rather, a fairy tale, all domestic cars are equipped with oil dampers. And it concerns not only cars but also trucks.

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The average oil front suspension strut is 30-40 percent cheaper than gas. This is due to the large demand for them. By the way, the front gas strut shock absorber, in addition to its stiffness, provides a large load on the hub and prop. So few drivers gets them on their cars.

Lifetime

As a rule, the front suspension strut will last without problems 60-80 thousand kilometers. But this is only possible provided a good and smooth roads - for example, on foreign highways. In Russia, however, these parts live 2 times less – 30 to 40 thousand kilometers. After this period is not a repair, a replacement front strut. If time does not make this burden will increase not only on a ball bearing and the hub, but all the other suspension parts. Ignoring the replacement of shock absorbers, not only do you sacrifice comfort, but you risk to get into an emergency situation, as the stand is interconnected with the brake system.