The gearbox is a mechanical, two-way, with five front transmission transmissions and one - rear, with synchronizers on all front transmission transmissions. The gearbox is constructively combined with differential and main transmission.

The gearbox is used to change in a wide range of torque on the drive wheels and vehicle speeds, ensuring the possibility of moving by reverse, as well as to separate the engine from the transmission when the engine is idling at idle. The gearbox body consists of three parts: the clutch crankcase, the crankcase of the gearbox, cast from the aluminum alloy and the rear stamped steel cover.

Gearbox switching mechanism: 1 - gear selection lever; 2 - tear; 3 - transmission lever; 4 - Shift switch.

On the primary shaft, the leading gears of the third, fourth and fifth gears are installed. All the leading gears are in constant engagement with the corresponding driven gears of the front turn.

Reverse gear gears - spanned. The inclusion synchronizer of the third and fourth gear is installed on the primary shaft, and the synchronizer of the first and second gear is on the secondary shaft.

The gearbox cables are attached to the plastic bracket installed on the gearbox.

On the secondary shaft there are slave gears and a leading gear the main transfer, Made at the same time with the shaft. On the leading gears of the third and fourth gear and driven gears of the first and second gear, there is an additional strait crown with which the synchronizer sliding clutch is connected when the transmission is turned on. The front bearings of the primary and secondary shafts are roller, rear - ball. Roller bearings perceive large radial loads, ball bearings are perceived both radial and axial loads arising in the engagement of the pair of osospheric gears.

Differential - conical, two-satellite. To the flange of the Differential Box Bolts, the driven gear of the main transfer is attached. Two satellites and two semi-axis gears are installed in the differential box. Satellites are installed on the axis fixed in the differential box. Semi-axis gears are connected by screws with wheel drive flanges. The cylindrical surfaces of the flanges work the glands pressed into the clutch crankcase and gearboxes.

On the gear shift mechanism crankcase, a Sapun is installed that informs the cavity of the transmission with the atmosphere. It is necessary to monitor the state of the Sapuna, since its clogging can lead to an increase in pressure in the gearbox crankcase when it is heated, which will cause leak oil through the glands.

The transmission control drive consists of a control mechanism installed in the cabin on the floor tunnel, and the gear shift mechanism installed on the box that are connected by two cables.

The gear selection cable is connected to the switching mechanism lever and provides it with a rotational movement. The tear of the gear selection lever is included in the groove lever groove. When selecting one or another transmission, the selection lever moves the transmission lever by installing the transmission switch to the rigging plug. After the transfer was selected, the inclusion cable turns the lever, including the necessary transmission.

Gearbox control mechanism: 1 - gear selection cable; 2 - Turning on the transmission; 3 - gearbox control mechanism.

Transmission Cable Tips: 1 - Transmission Cable Tip; 2 - gear selection cable tip.

The inclusion cable and gear selection cable - non-violent. The inclusion and selection cables are adjusted by length due to the movement of the tips on the coils. 2 liters are poured at the transmission factory transmission Oil, the replacement of which is not required during the entire period of operation. To check the oil level in the gearbox crankcase, a control opening is performed, closed with a threaded plug. Through this hole, you can add oil into the box in the case of a decrease in the level.

Control (fuse) hole in the gearbox.

The gearbox is a complex node, for the repair of which experience is necessary and a special tool. Therefore, the repair of the gearbox should be performed in a specialized technical center, with both the necessary equipment and spare parts. To reduce repair costs, the gearbox can be removed and installed on the car yourself. With a serious breakdown or strong wear of the gearbox, it is advisable to replace it with a whole.

On cars VW Polo sedan Sedan Set either a five-speed manual transmission of modification 02T, or a six-speed automatic transmission transmission model 09G.

Fig. 6. Manual transmission box Volkswagen Polo Sedan

1 - rear gearbox cover; 2 - leading gear V transmission; 3 - leading gear I gear; 4 - intermediate reverse gear; 5 - leading reverse gear; 6 - drive gear II transmission; 7 - Leading gear III transmission; 8 - transmission mechanism MCPP Volkswagen Polo.; 9 - leading gear IV gear; 10 - clutch shutdown bearing; 11 - Carter clutch; 12 - primary (presenter) shaft; 13 - semi-axle gear flange for fixing the right drive front wheel; 14 - Differential box; 15 - driven gear of the main transfer; 16 - semi-axle gear flange for fastening the drive left front wheel; 17 - Carter gearbox; 18 - secondary (slave) shaft

A mechanical gearbox Gearbox 02T is a compact 5-step unit intended for use in VW Polo Sedan vehicles with an front axle drive. By design, this is a two-channel gearbox with an additional axis of the reverse gear.

At the input and on the outlet shafts, the osospheric gears of continuous engagement are installed. All moving gears rely on needle bearings. This achieves high smoothness of work.

The gear transmission gear of the MCPP Volkswagen Polo Sedan is a straight gear. The movable gears of the 1st and 2nd gears are installed on the output shaft, and the movable gears of the 3rd, 4th and 5th gears are located on the input shaft.

The input shaft relies on the cylindrical roller bearing in the clutch crankcase (movable fastening) and on the ball bearing (motionless mount) in the bearing block in the gearbox crankcase. To reduce the mass, the input shaft is drilled from the inside.

The input shaft has a fixed / movable mount. Like the input shaft, it is installed in the VW Polo Sedan Transmission Carter:

- relies on a cylindrical roller bearing (movable fastening) in the clutch crankcase.

- Rely on the ball bearing (motionless mount) in the bearing block along with the input shaft bearing.

To reduce the mass, the output shaft is drilled from the inside.

The gears of the 1st, 2nd gear and reverse transmission are fixedly fixed on the entrance shaft. The gears of the 3rd, 4th and 5th gears are movable and rotate on needle bearings.

Synchronizers of the 3rd, 4th and 5th gear gear Volkswagen polo sedan fixedly attached on the input shaft on the knaps.

After the displacement of one of the gears, the corresponding "movable gear" also connects motionless with the inlet shaft. In place they are held with spring rings.

The gears of the 3rd, 4th and 5th gear and the synchronizer of the 1st / 2nd transmission are fixedly fixed on the output shaft in the direction of rotation using fine knaps.

In place they are held with spring retaining rings. The movable gears of inclusion of the 1st and 2nd gears rotate on the output shaft on needle bearings.

A new feature of the design of the gearbox Volkswagen Polo Sedan is a modular structure. A typical example of the module is a support plate of bearings with two ball bearings.

Ball bearings are not installed in the gearbox crankcase, but a separate reference plate.

Input and output shafts assembly with gears are installed in the bearing support plate outside the transmission crankcase, so this node is easy to install in the gearbox crankcase.

Two ball bearing for "fixed mounting" of the input and output shafts are part of the node of the bearing plate plate and are installed in it with a tension.

Ball bearings are held by a curly plate. The figure plate is welded to the support plate of bearings.

Ball bearings have radial seals on both sides, preventing from entering the bearings of abrasive particles from the transmission oil.

Bearing support plate flange in the form of glasses with a tight landing is installed in Carter PPC VW Polo Sedan Sedan and attached to the Carter with six bolts.

Two-digit synchronizers of the 1st and 2nd gears Before the gear on the input shaft will be engaged with a synchronizer and with a synchronizer rope with gears on the output shaft, it is necessary that the gears rotate "synchronously" (have been synchronized).

Synchronization of rotation is carried out when transferring transmissions by friction of the cone on the gear and on the synchronizer.

An increase in the area of \u200b\u200bthe frictional surface of the cone is about two times improves synchronization by about 50%, while the force required to switch gear decreases approximately half.

This achieves improved smoothness when switching from the 3rd to 2nd transmission and from the 2nd to the 1st transmission.

Two -Conous synchronizers of each of these gearboxes 02T Volkswagen Polo Sedan consist of the following details:

- Cone synchronizer.

- Ring synchronizer (internal).

- Conical ring.

- Ring of the synchronizer (outdoor).

The differential forms a sedan single node with the MCPP Volkswagen Polo. It is installed on two modernized conical roller bearings In Carter mechanical box Transmissions and in the clutch crankcase.

Differential Carter is compacted outside, in flange shafts, two seals of different diameters. The main transmission gear is row to the videoer of the differential and enters the gear of the output shaft.

The engine torque is transmitted to the gearbox through the input shaft. The torque is transmitted by a pair of gears on the output shaft and from it to the gear of the main transmission with differential. Thus, the torque and turnover depend on the selected gears of the input shaft.

Fig. 7. Drive Manual Gear Management Volkswagen Polo

1 - counterweight lever gear shift; 2 - gear lever; 3 - gear selection lever; 4 - gear shift cable; 5 - gear selection cable; 6 - thermo screen; 7 - Kulis gear lever; 8 - ball support; 9 - Gearbox control lever

Outdoor gearbox switching gearbox Volkswagen polo sedan

To isolate the shift lever from vibration and oscillations created by the power drive, the gearbox is equipped with a switching mechanism with a cable drive.

The connection between the gear shift lever (in the car) and the gearbox is carried out using two cables.

Two cables transmit movement lever movements to select and enable transmissions to the transmission mechanism transmission mechanism MCPP VW Polo Sedan.

The mechanism (lever of the selection and lever of inclusion) converts the movement of two cables forward and backward, as well as to the rotational movement of the gear shift shaft.

On the lid of the switching mechanism there is an angular lever. It allows you to fix the switching shaft in a specified position when executing repair work. This part greatly simplifies the operation of adjusting the cable switching mechanism.

Internal transmission mechanism MCPP Volkswagen Polo Sedan

Moving the switching mechanism is transmitted to the gearbox from above. The switching shaft moves in the shift mechanism cover.

When the transfer is selected, it is shifted in the axial direction, and when the transmission is turned on, it turns. In certain positions, the gear shift shaft is fixed by two spring-loaded balls.

The plugs of inclusion of the 1st / 2nd and 3rd / 4th gears are installed on radial-resistant ball bearings, thanks to this design, the switching mechanism of the PPC Volkswagen polo works easily. The plug of inclusion of the 5th transmission is set on sliding bearings.

When the transfer is turned on and, therefore, the switching plug is shifted under the action of the shifting of the gear. The segments of the switching on the transmission are located in the limits of the synchronizers of the corresponding pair of gears.

The movement of the gear (right-left) gear lever is converted to the movement of the gear selection cable forward and back with the selector lever. The selector lever turns on the axis.

Using the external mechanism of the VW Polo Sedan gearbox, the movement of the gear selection cable and back is converted to the movement of the shift shaft up and down.

The gear selection cable is attached to the transmitting lever. The transmitting lever is mounted on a hinge on the gearbox crankcase, it is connected through the slider with the switching shaft.

In the gearbox for vertical return-transit movements of the shaft, the appropriate shifting finger is sent to the drive of a specific switching plug of the selected transmission (1st / 2nd transmission; 3rd / 4th transmission; 5th / 6th transmission either reverse).

Machining mechanism for switching on the reverse gearbox VW POLO

To protect against accidental switching on the reverse transmission, a push type retainer is used. The reversing transmission switching mechanism is built into the gear shift mechanism housing.

Before selecting and enable the reverse transmission, the driver should unlock the locking mechanism.

When you try to enable the reverse transmission, just as the front run transmission, the switching lever stop lever rests on the retainer (part of the switching mechanism case).

When pressing the lever and overcoming the force of the spring, the lever is moving down through a spherical guide switching lever, while the locking protrusion is lowered below the retainer.

During the subsequent movement of the selector to switch the reverse transmission, the retainer does not prevent the movement and turn on the reverse transmission becomes possible.

Spring pushes the gear lever back to the position turned on and holds it in the reverse transmission position.

Adjusting the cable switching mechanism MCPP VW Polo Sedan

The procedure for adjusting the transmission gear mechanism is simplified due to the presence of an angular lever on the cover of the switching mechanism and the retaining pin of the gear lever.

The adjustment procedure always begins with switching the transmission of the Volkswagen Polo sedan gear:

Disconnect the cables. The locking mechanism on the shift cable and the selection cable is shifted forward until it stops, then blocked by turning to the left. Now you can adjust the length of the cable.

Block the switch shaft. A corner lever is installed on the gear shift mechanism cover, which allows you to block the gear shift shaft.

To do this, shift the switch down to the position between the 1st and 2nd gears. By pressing it down, click on the corner lever towards the switching shaft, then turn it. The angular lever will lock and block the switching shaft in this position.

Locking gear lever. Gearbox lever Volkswagen Polo Sedan should be translated into position neutral transmission Between the 1st and 2nd gears.

On the gear lever there is a locking hole. Through this hole into the hole under the gearbox housing, the lock pin is inserted.

Fixation of cables in place. Now the locking mechanism on the selector cable and on the switching cable can be returned again. The spring displays the locking mechanism to a specified position and holds it in place. After that, we should again weaken the corner lever and remove the lock pin.

The gear shift lever should now be in the neutral transmission position between the 3rd and 4th gears.

Volkswagen Polo Sedan - a popularly beloved car, produced since 1975. For a long time the existence of the brand, 5 generations of the vehicle came to the markets.

Manual Transmission

The Volkswagen Polo Sedan car is installed on a five or six-speed mechanical gearboxes. The transmission is performed on a two-shoulded scheme with synchronized transmissions. In the manual transmission, the main transmission with differential is combined with a common crankcase.

Types of repair of mechanical transmission

The narration should be started with the fact that the repair of the GPAP polo sedan is partial or capital. With local recovery, the box is removed, disassembled, washed, defects. Defecting - the process of determining the cause of the breakage. After a defective, the master 100% will correctly indicate a specific malfunction. Overhaul Also implies a complete removal of the unit. Mechanisms:

• completely dealt;
• are washed;
• defecting is carried out, but completely.

Faulty mechanisms are determined, spare parts that were worn and do not function.

Causes of breakage and solving the problem

1. With spontaneous shift switching, the ships of switching shifts were most likely made or a breakdown of the retainer springs occurred. The closure of the synchronizer clutch on the hub can also be increased. It will help only the professional repair of the MCPP Volkswagen Polo 1,4, conducted in the service.
2. Switching gear is difficult and hearsed in a crush? The reason becomes the incomplete clutch shutdown, the malfunction of the gear shift drive cables, a significant attenuation of the synchronizer springs, a bodied oil that does not meet the requirements established. The way to solve the problem is the repair of the clutch shutdown drive, removal from the air hydraulic system. It will also be necessary to pour the oil of the desired brand to try to eliminate the problem, conducting the repair of the MCPP Volkswagen Polo sedan with its own efforts.
3. Does it take scrape and felt vibration in the gearbox? Possible reasons Not a correct functioning - weakening fastening or damage to the engine supports or manual transmission. Can still be worn or damaged gears, adjustment is broken. idle move Engine. Solving the problem is pulling up fastenings or replace support. If it is impossible to independently diagnose the system of the system in 100% of cases, a professional inspection of the car and the subsequent repair of the MCPP Volkswagen Polo sedan 1.6 in the service is required.

Quality Warranty - Professional Masters Help

Urgent repair of MCPP Volkswagen Polo? Contact our service where a large spare parts warehouse has more than 5,000 items. During the restoration work, the wizard uses only the equipment that meets the requirements of the manufacturer's plant. Specialists of the service have high level Qualifications and rich experience in repairing mechanical transmissions.

Do not try to solve the problem yourself, because quality repair is a privilege of professional masters.

On Volkswagen Polo 2010 release ( russian assembly) There are five-speed mechanical gearboxes with alphabetic code: lgq.lnr.lve.mab.mah.nvs.mfx.mgz. The main pair of gearbox was raised with a gear ratio of 58/16, 67/16, 66/17, 68/15, 64/14. Original Managers Manual: №02T300057Q. №02T300057QX. №02T300058C. №02T300058CX. №02T300020C. №02T300020CX. №02t300049m.№ 02T300020Q. №02T300049M. №02T300020R. №02T300020RX. №02T300020S. №02T300020SX. The radial bearing with the original number No. 02T311206N, very often fails to include 1-2 transmissions coupling with No. 02T311239C. Gears 4 and 5 transmissions are long, it is better than in the manual transmission that stands on Skoda Fabia. Original transmission numbers: №02T311351E. №02T311351AA. №02T311351F. №02T311145P. №02T311145AJ. №02T311145R. Original transmission numbers: No. 02T311158N. №02T311158P. №02T311158Q. №02T311158AQ. №02T311361A. №02T311361B. №02T311361C. №02T311361AC. It fails and the sleeve of the secondary shaft, the manufacturer made it so that it is very problematic to replace it! When repairing the gearbox, you need to change the transmission rings 5 \u200b\u200b(they are disposable), if this is not done and put the old, it often breaks 5 transmission (as a rule, the primary shaft is worth the coupling with No. 02T311241e. Pour oil 75W-90 GL-4, and It is desirable for 500 grams more.

In order to prevent the failure of the gearbox, at first, the breakdown should be made repair PPC for Volkswagen Polo in Moscow Our company specializes in providing this kind of services. Carrying out the repair of the CAT for all modifications of Volkswagen Polo: Polo I (86) (1975 - 1981) POLO II (86C) (1981-1994) Polo II Coupe (86C) (1981-1994) Polo III (6N1 / 6N2) (1994 - 2001) Polo III Variant (6KV5) (1997 - 2001) Polo III Classic (6KV2) (1995 - 2002) Polo IV (9N) (2001 - 2005) Polo IV (9N3) (2005 - 2009) Polo IV Fun (2004 - N.V.) Crosspolo (2008 - N.V.) Polo V (2009 - N.V.) Polo V Sedan (2010 - N.V.), our specialists exactly comply with all the requirements of the manufacturer's company's relevant equipment, which Guarantees the achievement of a positive result.

List of Guest Rooms Volkswagen Polo

When breakdown such gearboxes, it may be necessary to purchase a new product - and in addition to all the rest is carried out and sale of gear Either their restoration. The main reasons what they do repair of gearbox compulsory:

1. accumulated natural wear of the elements of the product due to long and intense operation;
2. clutch breakdown or its incorrect adjustment, which leads to breakage of this element;
3. not made time replacing oil gearbox or uncontrolled volume of transmission fluid;
4. violation of the recommendations of the use of the car, which are associated with the procedure for switching gear and select the appropriate transmission.

Produce good repair of a manual transmission Or the automatic CP can only be a master who has modern measuring equipment and high-precision tools. In order to clarify which it will be volkswagen Polo PPC repair cost in MoscowThe Master of Repair must first diagnose its technical standards, evaluate the front of the work, as well as the need to replace individual components.

Gearbox faulty? Our experts will be repaired by MCPP on Volkswagen Polo in Moscow

Most cars in the basic set are equipped with mechanical gearboxes. To prevent the destruction of the transmission components, repair of the manual transmission on Volkswagen Polo in Moscow Must be done immediately, as soon as the first signs of breakage will arise. To perform repair of mechanical gearboxesIt may be necessary to remove such products, however, part of the faults can be eliminated and without having to remove the gearbox. Replacing the crankshaft salinity, replacing clutch And the rest of the details are also often performed during the repair. Experience experience, availability special equipment And, of course, the difficulty of malfunction is, all this together affects what will be volkswagen Polo gearbox repair price in MoscowAnd for what time it will be made.

Need to resume the technical condition of the transmission system? We will produce high-quality transmission transmission Volkswagen Polo

In our company, warranty and post-warranty volkswagen Polo gearbox repair, during which the broken components are replaced. Relevant events must be made by experts. car servicewhich possess both experiences, providing such work and a high professional level. In most cases repair of automatic transmission Volkswagen PoloAlso, as well as mechanical, implies the direct repair of broken assemblies and aggregates, if it is impossible - their replacement is new.

Commissions made with us Volkswagen Polo transmission is only high quality and fast work of qualified masters

Produced in our company transmission repair Volkswagen Polo - It is always high quality and prompt work, which qualified specialists do. Accurate compliance with the manufacturer's instructions is an indispensable condition in the work of our company's employees, whether it is replacing the transfer, repair of Kulisi. or restoration of other parts. Each technological process to the smallest details is described in technical documentationwho also enjoy our specialists performing repair of the mechanical transmission Volkswagen Polo or automatic gear shift box.

Our auto serviceer performs the following work.

• vOLKSWAGEN POLO clutch replacement
• vOLKSWAGEN POLO COLENVAL REPLACE
• vOLKSWAGEN POLO crankshaft bearing replacement
• replacing the Primary Val Volkswagen Polo
• replacing the secondary Val Volkswagen Polo
• replacement of salon drive Volkswagen. Polo.
• replacing the Gloves of the Primary Val Volkswagen Polo
• replacement released Bearing Volkswagen Polo.
• replacing the working cylinder Volkswagen Polo
• replacing clutch cables Volkswagen Polo
• repair of the rollers Volkswagen Polo
• volkswagen Polo Kulisi Adjustment
• volkswagen Polo
• replacing Oil MCP VOLKSWAGEN POLO
• replacing the oil PPC Volkswagen Polo
• repair of the MCPP Corps Volkswagen Polo
• repair of the mechanical transmission Volkswagen Polo
• repair of mechanical transmissions Volkswagen Polo
• replacing the fifth transmission Volkswagen Polo
• repair of the fifth transmission Volkswagen Polo
• vOLKSWAGEN POLO Gear Shift Cable Replacement
• replacing the Denfer Clutch Volkswagen Polo
• replacement Denfer Volkswagen Polo

On the volkswagen cars Polo sedan is installed either a five-speed manual gearbox mod. 021 or a six-speed automatic transmission pattern mod. 09g.

The mechanical transmission is made according to a two-time scheme with synchronized transmissions. The gearbox and the main transmission with differential have a common crankcase. Clutch Carter 11 is connected to the front of the gearbox crankcase. On the back of the crankcase

Manual gearbox: 1 - rear gearbox cover; 2 - leading gear V transmission; 3 - leading gear I gear; 4 - intermediate reverse gear; 5 - leading reverse gear; b - leading gear II transmission; 7 - leading gear III gear; 8 - gear shift mechanism; 9 - leading gear IV gear; 10 - clutch shutdown bearing; 11 - Carter clutch; 12 - primary (presenter) shaft; 13 - semi-axle gear flange for fastening the drive of the right front wheel; 14 - Differential box; 15 - driven gear of the main transfer; 16 - semi-axle gear flange for fastening the drive left front wheel; 17 - Carter gearbox; 18 - secondary (slave) shaft

gearbox installed steel stamped cover 1.

On the primary shaft 12 there are leading gears I and II gears and transmission of the reverse, made in one integer with the primary shaft, and the leading gears III,

IV and V transmissions are freely rotated on needle bearings.

The secondary shaft 18 is made together with the leading gear of the main transmission, in addition to the shaft, freely rotating on the bearings of the sliding gears I and II gears are installed on the shaft. Leaded gears III,

IV and V gear and reverse transmission are installed on the slots.

The front-end transmissions are included with the axial movement of the couplings of the two synchronizers Hi and III-IV gears installed on the secondary valves of the primary shafts, respectively, as well as the clutches of the transmission synchronizer, installed on the primary shaft. Reverse transmission turns on to the engagement of the intermediate gear 4 of the reverse with the slave

Gear is a secondary shaft. The gear shift mechanism is located inside the gearbox crankcase.

Outside there are two levers of the mechanism: the switching lever and the gear selection lever.

Manual control control drive: 1 - counterweight gear lever; 2 - gear lever; 3 - gear selection lever; 4 - gear shift cable; 5 - gear selection cable; b - thermo screen; 7 - Kulis gear lever; 8 - ball support; 9 - Gearbox control lever

The mechanical transmission control drive consists of 7 ychaga 9 shifting gear with ballproof 8 installed on the body base, two switching cables 4 and select 5 gears, as well as a mechanism located in the gearbox crankcase. To ensure a clear inclusion of the gear shift arm 2, the switching mechanism is made in one integer with a massive counterweight 1. From heating with thermal radiation of the exhaust gas release system, the cables are protected by thermo-screen 6 installed on the base of the body. The selection and gear shift cables are constructively different from each other and non-refamous.

The main transmission is made in the form of a pair of cylindrical gears, selected by noise. The torque is transmitted from the drive gear of the main transmission to the differential and then on the drives of the front wheels.

Differential conical, four-telled. The tightness of the junction of the vortices of them hinges of the front wheels with the gears of differential is provided by the glands.

The automatic box is transmitted by the traditional planetary scheme with frictional braking and connected to the engine crankshaft through the torque converter. Electronic system Control automatic box The gear constantly monitors the speed of the vehicle and the engine load, eliminates the driver's errors, not allowing it to turn on higher transmission at a low movement speed to avoid engine overload, or downward transmission at too much speed, which eliminates the possibility of exceeding the maximum speed of rotation crankshaft Engine. When a reduction in the speed of the car, the transmission automatically switches to lower without the driver's participation. At the time of the complete stop of the car automatically turns on I gear.

Details of the automatic transmission control algorithm described in the "car device"

The automatic transmission consists of a torque converter, a pump, a planetary gearbox, multi-disc clutch, multi-disc brakes and valve block.

The hydrotransformer plays the clutch role and serves to smoothly connect the engine and the gearbox mechanism and increase the torque at the beginning of the car movement. The housing of the hydrotransformer is connected to the engine crankshaft via the drive disk and constantly rotates when the engine is running. The inner cavity of the torque converter is filled with the working fluid for automatic transmissions. The engine rotates the torque converter and drives the pumping wheel that creates streams working fluid In the direction of the turbine wheel. The latter begins to rotate due to the streams of the working fluid generated by the pumping wheel. With a high difference in the rotational speeds of turbine and pumping wheels, the reactor changes the direction of fluid flow, increasing the torque. As the difference in speeds decreases, it becomes unnecessary and therefore installed on the overtook coupling.

The hydraulic control system of the automatic transmission includes a pump, pressure regulator, an acute range selection spool valve. Auxiliary valves (solenoids), couplings and brakes. The pump installed in the front of the gearbox crankcase creates pressure and supplies the working fluid to all systems in the gearbox.

Planetary rows correspond to the gear unit in a manual transmission and serve to change the transfer ratio in automatic transmission When switching gear.

The planetary gearbox of the Ravinium system is a gear transmission with outdoor and internal gear engages, which provides various methods Connections of its elements to obtain various gear ratios.

Ribbon brakes serve to temporarily block the elements of the corresponding planetary row on the automatic transmission body.

Drive automatic transmission control drive is designed by the same principle as the drive control of the manual box, but differs from it by the number and design of parts. Kulis 4 (Fig. 6.8) The automatic transmission selector is installed in the same place on the floor tunnel 3 as the mechanical box control lever, and is connected to the control unit on the gearbox 7 cable 1.

Differential automatic transmission in the design is completely similar to the mechanical transmission differential.

Automatic gearbox: 1 - Carter of the main transmission gearbox; 2 - heat exchanger of the working fluid; 3 - Bracket Left Support Suspension power aggregate; 4 - selector position sensor; 5 - casing of the hydrotransformer; B - hydrotransformer

Automatic transmission control drive: 1 - transmission control cable; 2 - handle lever gear control selector; 3 - tunnel floor; 4 - Kulis of the gearbox control; 5 - Cover of the gearbox control selector; b - cable holders; 7 - gearbox

To repair the gearbox, especially automatic, a large set of special tools and the corresponding artist preparation is required, so in this section only the removal and installation of the gearbox, replacing its seals, repairing the drive. If necessary, repair the gearbox in a specialized service.