The modern car has ceased to be just a means of transportation, turning into a space where every detail should work perfectly. One of the elements that enhance comfort and safety is door-finder. Many drivers are used to the sound of a door slamming, unaware that the process can be almost silent and automated.
Installation of such a mechanism solves several problems at once: from eliminating drafts in the cabin to protecting the hinges from premature wear. In this article, we will discuss in detail how these devices are designed, whether they should be put on your own. saloon or SUVHow to install without contacting the service.
The variety of models on the market can be confusing even for an experienced motorist. There are electrically powered systems and purely mechanical options that require minimal intervention in the body design. Understanding the principles of their work will help to avoid mistakes when buying.
What is a car finisher and why you need it
The rapporteur This is a device designed to automatically bring the door to a fully closed state at the time when it is near the opening. The main objective of the mechanism is to eliminate the need for strong slamming. You just need to push the door and the system will complete the closing cycle with optimal effort.
The main reason for the popularity of such systems lies in the increase in comfort. Imagine a situation: you drive up to the gateway or park in a quiet residential area. Instead of loud claps that can wake sleepers or scare passers-by, the door closes softly and silently. This is especially true for business class vehicles, such as Mercedes-Benz or BMWWhere silence in the cabin is a priority.
⚠️ Attention: Installation of a poor-quality closer can lead to skewed hinges or damage to the lock due to excessive effort. Choose only certified kits that are compatible with your car model.
In addition to acoustic comfort, the device performs an important protective function. It ensures that the door is closed until the end, even if you have rushed. This prevents the flap from opening on the go due to vibration or wind gust, which directly affects the safety passengers. Also, a uniform force at closure prolongs the service life of rubber seals.
Types of mechanisms: electrical and mechanical
In the modern market of auto accessories, closers are divided into two main categories, each of which has its own design features. Understanding the difference between them is critical when choosing equipment for your home. crossover or hatchback.
Mechanical closers are a system of levers and springs built into the lock design itself or installed separately. They do not require connection to the onboard network and work solely due to the kinetic energy of the door movement. Their advantage is simplicity and reliability, since there is practically nothing to break there.
Electrical systems (often called Soft Close) are more complex. They're equipped. electric motorwhich is activated by the door position sensor. When the flap is a few centimeters from the body, the sensor gives a signal, and the motor smoothly but confidently tightens the door to the lock. Such systems are often integrated into a common electronic control unit.
- 🔹 Mechanical: They do not require power, are cheaper, easier to install, but may require more initial effort.
- 🔹 Electrical: provide maximum comfort, work automatically, but are difficult to install and require connection to the wiring.
- 🔹 Hybrid: They combine elements of both systems, using electrics for the final thrust and mechanics for holding.
Advantages of Installing Soft Close System
The decision to install the closer is often made by car owners who value silence and premium service. The main advantage is, of course, acoustic comfort. The absence of sharp claps makes the trip more enjoyable, especially if children or pets are sleeping in the car.
The second important aspect is the safety of the body elements. With a sharp slamming, vibration loads arise on the loops, opening limiters and the lock itself. The dropper minimizes impacts by distributing the force over time. This is especially important for heavy doors. SUV and minivans, where the weight of the leaf can reach 40-50 kilograms.
It is also worth noting the ease of operation in the winter. When rubber seals are cold or tanning in the cold, it becomes difficult to close the door the first time. The mechanism of the closerer has sufficient force to overcome the resistance of the seals and securely fix the lock, ensuring the tightness of the cabin.
Criteria for Choosing a Quality Appliance
The choice of equipment is a crucial stage, on which the durability of the system depends. First of all, pay attention to compatibility with your model of the car. Universal sets may require serious bodywork modification, while specialized solutions for Audi, Toyota or Lexus They're getting up like family.
Manufacturing materials play a key role. The internal gears of the mechanism must be made of metal Or a high-strength composite. Plastic gears wear out quickly under load, especially at low temperatures when the lubricant thickens. The body of the device must be sealed so that moisture and dust do not get inside the mechanism.
An important parameter is the adjustment of the force. A good closer allows you to adjust the force of tightening the door. This is necessary as over time seals may change their properties slightly, or you decide to install thicker soundproofing materials.
| Characteristics | Budgetary option | Premium segment |
|---|---|---|
| Material gears | Plastic/Zinc alloy | Tempered steel/Brass |
| Type of drive | Mechanical / Simple Electric | Smart electric drive with sensors |
| Adjustment of effort | Absent. | Multi-stage |
| Guarantee | 6-12 months | 24-36 months |
Preparation for installation: tools and safety
Before starting work, the workplace and tools must be prepared. You will need a standard set of motorists: screwdrivers, a set of keys, detachable skinning. Electrical systems will also need a multimeter, tape, corrugated wires and possibly a soldering iron.
The first and most important rule is de-energization car. Before any interference with the electrical system, it is necessary to remove the negative terminal from the battery. This will protect electronic control units (ECUs) from short circuits and voltage surges that can occur when wires come into contact accidentally.
Carefully read the instructions for the purchased kit. Some models require the door map to be removed completely, others can be installed through process holes. Determine the place of wiring in advance so as not to damage the existing harnesses or windows.
⚠️ Attention: When removing door cards, use only plastic mounting blades. Metal tools can damage clips or scratch plastic, which will lead to crickets in the future.
☑️ Ready for installation
Step-by-step instructions for installation with your own hands
The installation process may vary depending on the vehicle model and the type of closer, but the overall algorithm remains similar. Start by carefully dismantling the interior of the door. Unscrew all visible screws, remove the plugs of handles and speakers, then evenly click the clips around the perimeter.
After removing the card, you will have access to the internal mechanism of the door. If an electrical closer is installed, it is necessary to find a power connection point. Usually these are wires going to the actuator of the central lock or a separate fuse in the block. Connection is better carried out through the relay, so as not to overload the regular wiring.
The mechanism of the closer is attached to the inside of the door, often in place of the standard locker or next to it. It is important to position the device accurately so that the rod or the pointer lever interacts correctly with the response part on the body. After mechanical installation, check the door: it should move freely, without jamming.
Connection scheme (simplified):Plus the battery (via the safety lock 10A) -> Relay -> Predictor
Minus AKB -> Booth (Mass)
Activation signal -> Door end
The final stage is assembly and testing. Install the skin in place, making sure the wires are not clamped. Connect the battery and check the system. The door should close smoothly, without jerks. If you hear the hum of the motor or creak, you will need lubrication or adjustment of the position of the mechanism.
Frequent malfunctions and system maintenance
Even the most reliable systems require attention. Over time, the lubricant in the mechanism may thicken or dry, which will lead to increased noise and reduced operational efficiency. It is recommended to carry out preventive lubrication silicone Or specialized lubricants for plastics and rubber once a year.
One of the common problems of electrical closers is the failure of the terminal or position sensor. In this case, the system does not see that the door is open and does not activate. Diagnosis is carried out using a multimeter: the presence of a signal is checked when opening and closing the door.
If the mechanism began to work in jerks, perhaps the fastening or gears were worn. In the case of mechanical damage to the internal elements, it is easier to replace the entire unit than to look for individual spare parts. Regular cleaning of dirt and moisture in the castle area will also prolong the life of the device.
Can I install a car on an old car?
Yeah, it's possible. There are universal mechanical and electrical kits that adapt to most models. However, older cars may take more time to fit the mounts and lay the wiring, as there may not be regular places for integration.
Does the car guarantee affect the car warranty?
If the installation is performed with interference with the regular wiring (especially on new cars), the dealer can withdraw the warranty on the door electrics. To avoid this, use special adapters or install the system without cutting the regular wires.
How long does it take to install with your own hands?
For an experienced user, the process takes 2 to 4 hours per door, depending on the complexity of removing the skin and the need to lay new wires. It is better to lay down up to 6 hours to work without haste and carefully.
Do I need to lubricate the mechanism of the finisher?
Yes, regular maintenance is necessary. Use only the lubricants recommended by the manufacturer. Ordinary litol or solidol at low temperatures can freeze, which will cause the system to fail in winter.