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What serious problems can lead to the installation of additional sound insulation on a car

  • June 23, 2023
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Many automakers have long begun to save money on soundproofing their cars, and therefore car owners who are dissatisfied with the “acoustic effect” either take the matter on

Many automakers have long begun to save money on soundproofing their cars, and therefore car owners who are dissatisfied with the “acoustic effect” either take the matter on their own or entrust the installation of additional materials to services. However, before retrofitting a car with a Shumka, think carefully, because this procedure brings a lot of trouble – even if it is carried out according to all the rules. And which one, says the AvtoVzglyad portal.

We will not consider premium models, because there engineers think about the correct location of sound insulation mats already at the design stage. So, we will talk about budget cars and mid-range cars – they are most often subjected to “improvement”.

Let’s start simple. Installing the Shumka requires partial or complete disassembly of the interior, and therefore, most likely, several plastic clips will break – now they are made thin. And it’s good if they are united, and if not, then you will have to look for spare parts in stores or at dismantling sites. In extreme cases, fasteners “collective farm”. The result is uneven gaps during the subsequent assembly of parts, as well as squeaky movements. Agree, a quiet living environment was not created for listening to the “crickets” under the upholstery.

Go ahead. Many people believe that the treatment of the inner surfaces of the body with rubber-bitumen mastic is in any case beneficial and will not be superfluous. In fact, after 5-6 years (depending on the condition of the iron), corrosion centers may appear under it. They are absolutely invisible, and this is the main danger – they notice the problem when they can no longer do without serious body repairs.

And if sound insulation is carried out with audio preparation, the doors will inevitably have to be weighted. However, their hinges are not designed for the increased load, which causes these body elements to sag over time. Such a defect leads to the fact that the paint in the doorways rubs against the metal, which also contributes to the development of corrosion.

By the way, with the additional “Shumkov” the curb weight of the car also increases. Fully covering the interior, boot lid and bonnet with three layers of laying material adds 50-70 kg. It doesn’t seem too critical. But the car will already use a little more fuel and drive a little worse. And if an accident happens, the body can warp, preventing the driver from opening the door. And if a fire breaks out at this time, the consequences will be the most serious.

Photo: Drive2.ru (RYSEV-ARTEM)

We will not consider premium models, because there engineers think about the correct location of sound insulation mats already at the design stage. So, we will talk about budget cars and mid-range cars – they are most often subjected to “improvement”.

Let’s start simple. Installing the Shumka requires partial or complete disassembly of the interior, and therefore, most likely, several plastic clips will break – now they are made thin. And it’s good if they are united, and if not, then you will have to look for spare parts in stores or at dismantling sites. In extreme cases, fasteners “collective farm”. The result is uneven gaps during the subsequent assembly of parts, as well as squeaky movements. Agree, a quiet living environment was not created for listening to the “crickets” under the upholstery.

Go ahead. Many people believe that the treatment of the inner surfaces of the body with rubber-bitumen mastic is in any case beneficial and will not be superfluous. In fact, after 5-6 years (depending on the condition of the iron), corrosion centers may appear under it. They are absolutely invisible, and this is the main danger – they notice the problem when they can no longer do without serious body repairs.

And if sound insulation is carried out with audio preparation, the doors will inevitably have to be weighted. However, their hinges are not designed for the increased load, which causes these body elements to sag over time. Such a defect leads to the fact that the paint in the doorways rubs against the metal, which also contributes to the development of corrosion.

By the way, with the additional “Shumkov” the curb weight of the car also increases. Fully covering the interior, boot lid and bonnet with three layers of laying material adds 50-70 kg. It doesn’t seem too critical. But the car will already use a little more fuel and drive a little worse. And if an accident happens, the body can warp, preventing the driver from opening the door. And if a fire breaks out at this time, the consequences will be the most serious.

Source: Avto Vzglyad

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