Purpose and installation of electric power steering on the VAZ 2107
Content
On the VAZ "classic" from the factory, the installation of a power steering is not provided. However, the owners of these cars experience certain inconveniences in driving at low speeds due to the tight rotation of the steering wheel. To make control easier and more comfortable, an electromechanical amplifier can be installed on the VAZ 2107.
Electric power steering VAZ 2107 - is it necessary
To equip your “seven” with an electric power steering (EUR) or not depends only on your personal wishes and capabilities. To decide and understand whether there really is a need to install this mechanism, you need to consider the positive and negative aspects of this type of improvement, and then draw the appropriate conclusions.
The main advantages of introducing an electric power steering include:
- reliability, efficiency, compactness, which is ensured due to the lack of hydraulics;
- easier, more comfortable and safer driving, especially for women and the elderly;
- simple installation;
- the ability to mount on any classic Zhiguli model;
- during operation, no additional care is required.
The installation of the EUR can be attributed to tuning, i.e., improving the initial characteristics of the car.
Of the minuses can be identified:
- material costs;
- expensive repairs;
- the need to install a more powerful generator on the car (from 100 A).
A powerful generator is required due to the fact that only the EUR engine consumes about 50 A. Therefore, if there are extra funds and a desire to improve driving, then why not do this. In addition, the installation of an electromechanical power steering is much cheaper than a hydraulic booster.
The introduction of a hydraulic booster on a VAZ 2107 is a complex and expensive procedure that requires the use of additional components and major improvements to the steering.
The principle of operation of an electric amplifier
Before considering the installation of an electric power steering (EUR) on the "seven", you need to figure out what this mechanism is. The main elements of the node are:
- electric motor;
- mechanical transmission gear;
- steering wheel sensor;
- steering torque sensor;
- control unit (CU).
The control unit receives signals about the speed at which the car is moving and about the frequency of rotation of the crankshaft synchronously with the rotation of the "steering wheel". In the control unit, the data of the magnitude and polarity of the power supplied to the electric motor are calculated. An additional force is created from the electric motor through a mechanical gear transmission, which makes it easier to control the front wheels. The force can be applied both to the steering shaft and to the steering rack, which depends on the class of car and the specific design of the electric booster. Since we are talking about the classic Zhiguli, no steering rack was installed on these models.
The design of the EUR for passenger cars has small dimensions and is mounted directly on the steering column. The mechanism is located in the car interior, which ensures its protection from moisture, dirt and dust and prolongs its service life. There are two main operating modes in the electric power steering, which depend on the speed of the vehicle:
- When driving at low speeds, the device applies the most force to the steering mechanism to make driving easier. Thus, the steering wheel becomes “light”, which allows it to be rotated with the finger of one hand.
- Moving at high speeds, the steering wheel becomes more “heavy”, which creates the effect of returning the wheels to the middle position. This principle of operation increases traffic safety.
Which EUR to put on the VAZ 2107
On the VAZ "seven" you can put one of two options for electric power steering:
- from "Niva";
- special kit.
In the first case, the purchase of the mechanism will cost 20 thousand rubles. In the second, the device is suitable for installation on any classic Zhiguli and will cost about the same money. VAZ 2107 can be equipped with both mechanisms. However, there are complaints about the electric amplifiers from the Niva: some car owners complain about their unexpected failure, which is dangerous while driving, since control becomes impossible. As for the factory EUR for the "classics", there are no complaints about them.
What is included in the delivery of the electric amplifier
Experts recommend installing only Russian-made electric amplifiers of JSC Avtoelectronics, Kaluga. The set of the mechanism consists of the following elements:
- electric amplifier;
- adapter plate;
- intermediate shaft;
- paddle switches;
- wires;
- egnition lock;
- steering wheel from "Priora" or "Kalina";
- decorative casing;
- speed sensor.
How to Install
To install the EUR on the VAZ 2107, in addition to the parts from the kit, you will need a standard set of tools, consisting of keys and screwdrivers. The assembly procedure is carried out in the following sequence:
- We de-energize the on-board network of the car, for which we remove the negative terminal from the battery.
- We remove the decorative cover of the steering column by unscrewing the corresponding fastening screws.
To remove the decorative casing of the steering column, it is necessary to unscrew the corresponding fasteners - We dismantle the old steering wheel and cardan.Unscrew the fasteners, remove the steering cardan and column
- According to the instructions, we fasten the new mechanism through a special plate.The electric motor is mounted through a special plate
- We go down under the car, unscrew the speedometer cable from the gearbox and install the speed sensor, onto which we wind the cable.To receive a signal about the speed of movement, a speed sensor must be installed on the gearbox
- We connect the wiring according to the diagram.Connecting the electric power steering should be carried out according to the diagram
- We install a protective cover.After installing the EUR, the mechanism is closed with plastic elements
- We connect the terminal to the battery and check the performance of the electric amplifier. With proper installation, problems should not arise.
Video: EUR installation on the example of VAZ 21214
Technical inspection and certificates
Before you install the EUR on your "seven", you should think about the issue of passing a technical inspection. The fact is that the installation of such a device is a change in the design of the vehicle, as a result of which difficulties will arise during the passage of maintenance in the absence of appropriate certificates. In order to avoid any problems, it is necessary to install the product in a certified VAZ car service. In addition, you need to obtain the relevant documents: a certificate from the manufacturer and the service where the installation was carried out. If you have all the necessary papers, then it will be possible to pass a technical inspection without nuances. If conflict situations arise, the employees of the technical inspection station must be required to refuse in writing, indicating the reasons.
Despite the apparent complexity of such a device as electric power steering, its installation and connection will not take much effort and time. You need to prepare a set of mechanisms with the necessary tools, and then follow the step-by-step instructions according to which you can install and connect the device.
