For many novice motorists, the term “torpedo” may seem strange or even dangerous, as in military affairs it refers to self-propelled underwater weapons. However, in the context of the automotive world torpedo It has nothing to do with explosives, but is a key element of the interior that the driver contacts every second of the movement. This is professional jargon, denoting the front panel of the car, which extends from the left threshold to the right, including the dashboard, center console and duct system.
The history of the name goes back to the years of World War II, when American soldiers, seeing the flat and elongated shape of the dashboard of Willys jeeps, drew a parallel with torpedoes, which were then actively used in the Navy. Since then dashboardAs the knot is called in the West, in the CIS countries it is firmly established under the name of a “torpedo” or simply a “torpedo”. Today it is a complex engineering unit, which integrates dozens of electronic systems, security elements and ergonomics.
Understanding what this element is is necessary not only for general development, but also for competent maintenance of the vehicle. This is where the vital controls of the machine are located, from light switches to multimedia screens. In this article, we will examine in detail the device of a modern panel, the materials of its manufacture, and also consider common problems such as creaks, burnout of plastic and cracks that owners of cars of different ages face.
Design features and device of a modern panel
Modern torpedo It is not just a piece of plastic covering the metal frame of the body. It is a multi-layered structure designed to meet strict safety and ergonomics requirements. The base of the panel, often referred to as a “skeleton”, is usually made of strong steel or aluminum alloys that are attached directly to the car’s spars. It is this base that takes the main load in a collision, protecting the cabin from deformation.
A metal frame is mounted on a load-bearing crossbar, which is often made of magnesium alloy or high-strength steel. On this crossbar are fixed steering mechanism, pedals block, central tunnel and the decorative part of the panel itself. Decorative claddingThe stains that we see and touch are made by injection molding from various types of polymers. Inside this shell are electrical wiring harnesses, air ducts of the climate control system and channels for supplying air to the windshield.
The most important element of the design is the deformation zone and the passenger airbag. In the right part of the torpedo, opposite the passenger seat, there is always a hidden hatch with thinned walls or a special line of tear. When triggered airbag The pillow should punch the panel along a strictly defined trajectory, without flying into sharp shrapnel that could injure people in the cabin. Therefore, any attempts to self-tuning or stretching this zone require special attention to technology.
⚠️ Attention: It is strictly forbidden to install foreign objects (mats, navigators on suction cups, figures) in the area of the ejection of the passenger airbag. In an accident, they will turn into bullets flying into the face of the passenger.
Manufacturing materials: from hard plastic to eco-skin
The quality and durability of the torpedo depends on the materials used by the automaker. In the budget segment, hard polypropylene or ABS plastic is most often found. Such panels are cheap to produce, easy to wash, but have the property of creaking when vibrating and fading in the sun, becoming sticky to the touch. Texture Such surfaces often mimic the skin or wood, but to the touch remains cold and hard.
High and medium-class cars are equipped with panels soft-plastic or polyurethane. The technology of production of such parts is more complicated: first the base is poured, then a layer of soft polyurethane foam is sprayed, and a decorative film or leather is stretched from above by the vacuum method. This creates a pleasant tactile sensation and reduces noise levels, as soft material better extinguishes vibrations. However, over time, ultraviolet light destroys the structure of the polymer, leading to cracks.
The premium segment offers natural leather, alcantara and wooden inserts. Natural materials require careful care, regular treatment with air conditioners and protection from direct sunlight. The tree can loosen and the skin can lose elasticity. In recent years, the use of recycled materials and bioplastics, which in their characteristics are not inferior to traditional, but are more environmentally friendly, has been gaining popularity.
The main causes of creaking and extraneous noises
Torpedo screeching is one of the most annoying problems that car owners face, especially after 3-5 years of operation. The main reason lies in the mechanical plastic elements against each other or on a metal frame. In the process of operation, fastening connections weaken, microscopic gaps appear, which, when the body vibrates on the irregularities of the road, generate a characteristic sound.
The second important reason is the temperature expansion of materials. Plastic, metal and glue have different expansion coefficients. In summer, when the interior of the car heats up to 60-70 degrees, the materials expand at different speeds, which creates stress in the joints. In winter, the plastic becomes brittle and shrinks, increasing the gaps. Often the source of sound are poorly fixed ducts or wires that begin to beat against the walls of the panel.
Localizing the sound source often requires the help of a second person. While one driver gently sways the torpedo in different directions, the other must listen to where exactly the creak is coming from. Often the culprits are the upper parts of the side pillars, the junction of the torpedo with the windshield or the area around the glove compartment.
Why is it creaking in the cold?
At low temperatures, plastic loses plasticizers and becomes stiffer. Any gaps that were filled with soft material in the summer turn into sources of ringing friction of hard surfaces against each other in the winter.
Methods of eliminating creaks and defects with their own hands
Fighting creaks is a time-consuming process, but it is quite real at home. The most effective, albeit radical, method is either partial or complete. dismantling panels. Removing the torpedo, you can glue all the places of contact of plastic with metal with special antiscript materials, such as: biplast, Madeline Or porous rubber. This will eliminate vibration and friction of hard surfaces.
If you disassemble the "half torpedoes" there is no desire or opportunity, you can try less invasive methods. Often helps neat stretch of visible screws holding decorative linings. Also an effective way is to fill the voids between the elements with soft materials. Special plastic sprays (silicone lubricants) can be used that temporarily reduce friction, but this effect is short-lived.
To eliminate the gaps between the torpedo and the windshield, which are often a source of whistles at high speeds, a special rubber sealer or soft sealant is used. It is important not to use aggressive chemicals or hard tools that can scratch plastic or damage heating filaments on glass.
☑️ Checklist for squeaking
Table: Comparison of torpedo recovery methods
When the appearance of the panel leaves much to be desired (cracks, burnout, scuffling), the owners think about restoration. The choice of method depends on the budget, the state of the material and the desired result. Below is a comparison of the main methods of recovery.
| Method | Cost | Durability | Difficulty |
|---|---|---|---|
| Skin-tightening/alcantara | Tall. | 10 years. | He wants a pro. |
| Aerosol painting | Low. | 1-2 years | Medium |
| Vinyl stickers | Low. | 2-3 years | Low. |
| Replacement with a new (original) | Very high. | Like new. | Tall. |
The most reliable way is considered to be a natural skin pull or a quality leather substitute. This process requires removing the panel, removing the old cladding, preparing the base and carefully tensioning the new material with warming up. The result is a new torpedo that is not afraid of ultraviolet light and is easy to clean.
A more affordable option is to use liquid leather or plastic restorers. They allow you to close small cracks and restore color. However, if the plastic has lost its elasticity and became brittle, such methods will only give a temporary cosmetic effect. It is critically important to thoroughly degrease the surface before applying any coatings, otherwise the material will quickly defuse.
Electronics and safety systems in the body of a torpedo
The modern torpedo is the car’s “brain center.” Inside it, there are hidden control units of the engine (ECU), transmission, climate and multimedia. Access to these components is often difficult, making diagnosis difficult. When dismantling the panel for repair or tuning, care must be taken not to damage plumes and connectors.
Particular attention should be paid to the passive safety system. Impact sensors, belt pretensioners, and pillow control units are often located in the central tunnel part or under the glove compartment. Unqualified intervention can lead to a false operation of the system or, conversely, to its failure at a critical moment. After removing the torpedo and turning off the battery, software adaptation of the systems through a diagnostic scanner is often required.
When removing the torpedo, be sure to turn off the negative battery terminal and wait 10-15 minutes before working with airbag connectors. This will prevent the pyropatron from accidentally firing from static electricity.
Also inside the panel are laid channels of ventilation and heating. A common problem is the entry of leaves or small debris into the ducts, which causes noise when the stove is working. Sometimes to clean the air conditioner evaporator or replace the heater radiator, you have to remove the torpedo completely, since access through the hatches in the legs of the passenger is impossible on many models of cars.
Prevention and care of panel materials
To the torpedo served for a long time and maintain a neat appearance, it must be properly taken care of. The main rule is protection from ultraviolet light. Direct sunlight destroys the structure of plastic and burns out the dye. Using sunscreens or parking in the shade significantly prolongs the life of the panel. There are also special protective compounds with UV filters.
To clean the surface, only specialized autochemistry for plastic and skin should be used. Aggressive solvents, gasoline or chlorine-containing agents can irrevocably spoil the texture, making it sticky or matte. Regular use of plastic air conditioners restores elasticity and creates a protective film that repels dust.
⚠️ Never wipe a torpedo heated in the sun or immediately after a trip. The chemical reaction of a cleaning product with hot plastic can lead to the appearance of ineluctable spots and a change in color.
Regular care and sun protection are the only ways to prevent cracks on a torpedo without expensive dragging.
FAQ: Frequently Asked Questions
Why does a torpedo get sticky to the touch?
This is due to the destruction of the upper layer of soft plastic under the influence of ultraviolet light and high temperatures. Plasticizers come to the surface, creating a sticky layer. This can only be eliminated by a complete cleansing of the sticky layer and painting or retweeting.
Can you replace hard plastic with soft plastic?
Theoretically, it can, but it requires a complicated alteration. You need to find a donor soft pad from a richer package or order individual production, since the geometry of hard and soft plastic is often different places of attachment.
How to remove a crack on a torpedo without replacing it?
Small cracks can be fixed with special plastic remixes (liquid skin) or sealed on the back if there is access. However, this is a temporary solution, since the tension in the material will not go away.
How much does it cost to pull a torpedo with skin?
The price depends on the region, the quality of materials and the model of the car. On average, work with materials costs from 15 000 to 50 000 rubles. Using alcantara or high-end eco-skins will cost more.