The 21129 engine was created specifically for Lada Vesta and X-Ray. The main development requirements were:

• adaptation to the AMT box of the manufacturer AvtoVAZ and the mechanical automatic transmission of Renault;
• raise environmental standards to Euro-5;
• increase power and service life.

Of all the manufacturer's motors at that time, option 21127 partially met these conditions. It bends the valve, but has many advantages that cover this drawback, so it became the base model for tuning, and the number of modifications was minimal.

Motor characteristics 21129

On the one hand, the 21127 engine, which served as the basic version for creating the 21129, is, in turn, a tuned modification of the 21126, so most of the units in the engine remained the same to reduce the production cost. From another point of view, the manufacturer took into account the disadvantages of upgrading its subsidiary to the ICE 21128, so the final engine diagram looks like:

• cylinder diameter and piston stroke remained classic for front-wheel drive motors - 82 mm and 75.6 mm, respectively;
• the diagram of the gas distribution mechanism of the engines remained unchanged - DOHC with two overhead camshafts;
• the cylinder head, the connecting rod-piston group and the cylinder block have not changed;
• fully preserved intake tract with integrated receiver, DBP and DTV sensors instead of DMRV;
• attachments have changed in part - new pillows, a generator and an exhaust manifold;
• improved engine cooling system, fuel injection.

The most important feature of 21129 was the new version of the ECM firmware - M86. As a result, gasoline consumption decreased, torque and power increased to 148 Nm and 106 liters. with., respectively. That is, the modernization did not affect the volumes of the combustion chambers of 1.6 liters.

A full description of the motor parameters is given in the instructions, and the main technical characteristics of 21129 are contained in this table:

Design features

Initially, the 21129 engine retained the design of the basic version 21127:

• "High" gray block of cylinders passed from 11183, liner surfaces are honed;
• Cylinder head from modification 21124;
• gas distribution mechanism with phased injection with hydraulic compensation of thermal valve clearance;
• lightweight piston group from Federal Mogul;
• v-belt drive of the timing camshafts with a rounded tooth from the Gates company with a service life of 200,000 km;
• a crankshaft with a long radius crank from the internal combustion engine 11183;
• fuel rail with medium-performance injectors from Bosch or Siemens;
• individual spark plug coils without high-voltage wire harness;
• increased diameter of the flywheel damper;
• a catalytic converter built into the exhaust tract - a catalytic converter.

Thus, forcing the internal combustion engine by the manufacturer is not provided in principle. Power and torque remain the same, oil consumption is within 100 g / 1000 km of run. The manual created by AvtoVAZ designers contains step-by-step operations, thanks to which overhaul can be done by hand.

Pros and cons

The advantages of the 21129 engine are:

• economical consumption of coolant, engine oil and fuel;
• compliance with Euro-5 standards;
• improved attachments;
• overhaul on your own;
• declared resource 200,000 km of run;
• lack of periodic adjustments of valve thermal clearances.

To ensure the specified engine resource, the manual recommends using only high-quality lubricant from reliable manufacturers. The disadvantages of the power drive design are:

• expensive maintenance due to the need for high quality oil in hydraulic pushers;
• high budget for overhaul due to the use of ShPG and timing belt kit of foreign companies;
• danger of breaking the timing belt drive to get bending of the valves.

The compression ratio has decreased by 0.5 units, which, it seems, allows to reduce the octane number of the fuel. In practice, the quality of domestic gasoline is unsatisfactory; experts do not recommend experimenting for dubious savings in the operating budget.

In which cars was it used?

Initially, the characteristics of the engine are higher than those of previous versions, so the 21129 engine is installed on modern AvtoVAZ models:

• Lada Vesta - a five-door station wagon four-door sedan;
• Lada X-Ray - five-door hatchback;
• Lada Largus is a compact cargo van, a five-door station wagon.

The compact and intuitive ICE device does not cause problems during maintenance and overhaul.

Maintenance

It is necessary to service the 21129 engine in the following order to ensure a resource of at least 200 thousand kilometers:

• after 10-15 thousand km of run, you need to take care of replacing the lubricant of the motor and filter;
• every 20 thousand it is necessary to revise the collector, candles, alternator belt, battery and crankcase ventilation;
• after 40 - 45 thousand coolant and elements of the system of the same name, air and fuel filters, tank cap become unusable;
• after passing 90 - 100 thousand, you should check the integrity of the timing belt of the drive, if it breaks, the piston will crush the valve stem;
• according to the resource declared by the manufacturer, the belt is replaced after a rollback of 180-200 thousand km.

Bench tests of selectively taken 21129 engines show that the real power at 5800 rpm is 5 hp. from. more.

Malfunctions: causes, elimination

Despite the fact that the 16 valve 21129 engine with adjustable air intake flows and hydraulic valve clearances is considered a very reliable power drive, malfunctions still happen:

The 21129 engine is extremely rarely violated the XX speed modes due to the duplicated adjustment system.

Tuning

Thanks to its typical design, the 21129 motor has a potential of 150 hp. the most popular is the modernization of the internal combustion engine in the following ways:

• block and cylinder head tuning - cylinder boring up to 88 mm maximum, grinding of the head channels, installation of light pistons;
• tuning of the intake tract - a 54 mm damper instead of the standard one, a filter with zero air resistance;
• exhaust tract tuning - a spider at the exit;
• modernization of the timing - modification of 8.9 Stolnikov camshafts with mandatory phase adjustment.

VAZ motors are turbocharged with rotary compressors, blowers or mechanical turbines. However, mechanical inertial boost is already available inside the standard receiver, so this option is economically unprofitable.

Thus, in the 21129 engine, the Euro-5 standard has been achieved without an increase in power and special design changes to the basic version 21127. The M 86 control unit of the next firmware version was used. The valves are not protected from bending by pistons, the overall rating by users is +4.

If you have any questions - leave them in the comments below the article. We or our visitors will be happy to answer them

Engine Lada Vesta volume of 1.6 liters appeared under the hood of the sedan for a reason. This is a fairly reliable power unit that has managed to take root on other Avtovaz models. The simple design of the inline 4-cylinder 16-valve engine VAZ-21129 has its own characteristics. Durable cast iron cylinder block, aluminum cylinder head, timing belt drive. There are no hydraulic compensators in the 16-valve cylinder head; valve clearances are adjusted by selecting special washers of different thicknesses. Motor power Lada Vesta 1.6 is 106 hp. with a torque of 148 Nm.

Electronically controlled multipoint fuel injection requires the use of aI-92 gasoline... The Lada Vesta engine complies with Euro-5 environmental standards. The main design feature is a dynamic (passive) intake system. In the intake manifold, air can move at different speeds thanks to special dampers. This allows you to optimize fuel consumption and increase dynamic performance at different engine operating modes.

The Lada Vesta engine also has problems. First of all, it should be noted the danger of breaking the timing belt. Indeed, in the event of a break in the timing belt on Lada Vesta 1.6, the valve bendsthat meet the piston crowns. Therefore, it is necessary to change the Vesta timing belt clearly according to the manufacturer's regulations.

Engine Lada Vesta 1.6 fuel consumption, dynamics

• Working volume - 1596 cm3
• Number of cylinders - 4
• Number of valves - 16
• Timing drive - belt
• Cylinder diameter - 82 mm
• Piston stroke - 75.6 mm
• Power hp / kW - 106/78 at 5800 rpm
• Torque - 148 Nm at 4200 rpm
• Compression ratio - 10.45
• Maximum speed - 175 kilometers per hour (with the "robot" AMT 178 km / h)
• Acceleration to the first hundred - 11.2 seconds (with the "robot" AMT 14.1 seconds)
• Fuel type - gasoline AI-92
• Fuel consumption in the city - 9.3 liters (with the "robot" AMT 9.0 liters)
• Fuel consumption in the combined cycle - 6.9 liters (with AMT "robot" 6.6 liters)
• Fuel consumption on the highway - 5.5 liters (with "robot" AMT 5.3 liters)

Engine Lada Vesta is combined with both a manual 5-speed gearbox and a robotic automatic machine AMT. Mechanics is a box Renault JH3, which is put on Renault Logan, and produced in Togliatti. In terms of dynamics, a manual transmission is preferable.

Robotic box automatic machine AMT VAZ-21827 created on the basis of a conventional 5-speed manual. The dynamics with the "robot" on the Lada Vesta is very inexpressive. This state of affairs is due to the settings of the machine. First of all, the developers tried to create an economical unit, and the dynamics were simply sacrificed to this desire. On the other hand, it is better to move through traffic jams in large cities of the country automatically. In a traffic jam, no speaker is required at all. Everything about . Fans of the Russian car industry have finally waited for the powerful Vesta.

Lada Vesta was warmly received by the market and almost immediately landed in the top 5 popular models. However, the first buyers took it blindly, knowing little about the quality. We talked with the owners of "Vesta", scanned the forums of Vestavodov, studied reports from resource tests and this is what we found.

The most common complaint about Vesta is its talkative suspension. Someone complained about the creak when passing speed bumps, others had something knocking on medium bumps, and still others complained about tapping in the back.

“In the rainy season, when overcoming significant irregularities and speed bumps, a creak appeared,” says Sergey Valyaev about his Vesta. - The creak resembled the groan of a dead donkey. Sobbing and sad. Since I did not deal with such sounds, it was the case that I got scared. I drove to the service center and voiced the problem. There they shook their heads sadly and offered to call into the repair area, they say, we will lubricate, everything will pass. I had no time. I decided to postpone the visit. The rain stopped, the creak disappeared.

AVTOVAZ acknowledged the problem, or rather, several problems at once. So, the unsuccessful rubber bushings of the anti-roll bar with strong suspension strokes twisted and creaked: to eliminate the problem, AVTOVAZ replaced the bushing material with another, more malleable, but durable one. At the stabilizer bar, a hinge clinked, the body of which was also strengthened, and at the same time squeaks were eliminated when turning the steering wheel. The sound of the rear suspension was reduced by replacing the shock absorber mounts.

Complaints about the general noise of Vesta forced AVTOVAZ to reformat the interior, install several dozen noise-insulating gaskets, change the fastening of interior parts and put felt fenders in the rear arches.

But Vesta did not stop completely, for example, some are alarmed by the knocking of the adsorber valve, generally harmless, but discernible for people who are used to listening to the car. Often there are complaints about the characteristic rattling of a 16-valve engine, in many cases natural, in others it is associated with one or another problem. For example, a chatter similar to the operation of a diesel engine may mean clogging of the valve pushers.

The VAZ-21129 engine is an adaptation for the Vesta of the 16-valve VAZ-21127 engine (106 hp), which is installed on Granta, Kalina, Priora. The main difference is the higher ecological class "Euro-5". Both engines are an evolution of the 98-horsepower VAZ-21126 engine: an increase in power is achieved due to an adjustable intake manifold. The cylinder block is cast iron, the valve timing does not change, the timing drive is belt driven, and a broken belt or hanging valves threatens to bend them.

The Vesta engine is by no means omnivorous and implies the use of sufficiently high-quality gasoline: for example, there is a complaint about valve stuck, presumably due to left fuel. References to burned gasoline are often used by dealers as well, refusing guarantees.

Sometimes the more sophisticated electronics of the motor present surprises. Someone complains about the failure of the electronic gas pedal, someone else's car does not start the first time. Quite often, the owners are worried about an unstable idle speed, especially on an unheated car. Interestingly, floating speed annoyed the owners of "Lad" before, as a result of which AVTOVAZ replaced the mass air flow sensor with pressure and temperature sensors. Apparently, it did not help one hundred percent, and the software of the VAZ-21129 engine is still waiting for a series of updates.

The robotic gearbox AMT was created by AVTOVAZ in partnership with the German company ZF based on the mechanics of the VAZ-2180. Multi-cone synchronizers are more durable, and all mechatronics are made by ZF. Despite the poor reputation of robots in general, AVTOVAZ preferred this type of box purely for economic reasons: even before the currency surges, the markup for a robot was two times lower than for the four-stage hydromechanics Jatco, which AVTOVAZ put on Kalina and Grants.

But, perhaps, the most insidious unit of Vesta is the AMT robotic gearbox: a large number of complaints of the same type boil down to one thing - strong vibrations when starting from a standstill. The cause is overheating and warpage of the clutch disc, most likely caused by poor calibration of the mechatronics. In fact, the problem is typical for robotic transmissions, and many eminent concerns, not excluding Volkswagen, stepped on this rake.

In the case of Vesta, two things make things worse. Firstly, even during the test, we noticed that starting from the place of a robotic car is very confident and energetic, but this circumstance, perhaps, loads the clutch. In addition, the discs used by AVTOVAZ initially did not differ in vitality, and even owners of cars with mechanics had complaints about the clutch smell. However, AVTOVAZ replaced the clutch with a more heat-resistant one, announcing the elimination of the problem.

In general, we are skeptical of a robotic gearbox: if, during a leisurely ride, it allows you to put up with pauses when switching, then in the afterburner mode, for example, when overtaking, traction failures are unnerving.

The mechanics of Vesta are native, Togliatti - the installation of French units was stopped last fall. And the VAZ-21807 box does not differ in particular survivability, although its repair is in any case cheaper than a "gorged" robot.

The owners of Vesta are unlikely to tell about the resistance of the body to corrosion, but the publication "Autoreview" properly salted Vesta in the chamber and found out that with good resistance of the side panels, trunk and hood of Vesta, the roof rusts in places of chips and scratches. However, the roof is damaged less often.

Of course, there were some incidents, like flying off decorative wheel caps and scratching side windows, but such trifles have already been eliminated. Owners complain about the "binary" heated seats (either fry, or almost not felt), unimportant wiper blades, faulty door switches and the quality of the head light.

A timing belt is a rubber part with notches on the inside that connects the crankshaft and camshaft to ensure the movement of the vehicle. The responsible owner of Lada Vesta, who traveled more than 50 thousand km, had to replace the timing belt at least once - so as not to prematurely find out whether the valve was bending.

Unfortunately, this ailment is transmitted from the engine to the engine on the Vase, it cannot be worked out in any way and on the valve vest it bends because of the knot: belt, rollers.

This assembly is vulnerable and the valve will bend if one of these parts fails. The situation would have changed, or not, the problem would have gone away completely - put the AvtoVAZ pump separately, but alas, the pump is in one unit on all VAZ engines.

If the hr16de engine entered the series, then this ailment would also be absent, it would only be necessary to go through MOT on time, monitor the chain, and yes, adjusting the valves, would again come into use for Vaza engines.

After a significant mileage of a car or incorrect operation, the timing belt often breaks. Oil getting on the surface, untimely replacement of units, using a car in severe frosts or, conversely, in a sultry heat - this can damage the drive of the gas distribution mechanism.

Damage can be found during the maintenance of the Lada Vesta. THAT consists in inspecting the condition of the node from time to time.

A rather significant problem for the owners of Vesta with 16 valve engines in case of a break is the bending of the valve. This happens after the timing belt breaks, or the links are stretched. When the links are stretched, the crankshaft continues to work, and the camshaft suddenly stops moving. Further, there is an absolute stop of the car engine. If you start it again, you can provoke a failure of the pistons, which will cause expensive repairs to the piston group of the cylinder block.

Read the article and your engine will be safe - you will replace the belt and rollers in time, preventing the occurrence of unexpected breakdowns.

Lada Vesta: When to change the timing belt, the frequency and cost of repair.

The vehicle registration certificate provides for the replacement of the unit after 180 thousand kilometers.

In practice, it is desirable to change the drive more often - after 80-100 thousand km, because the part does not always correspond to the original production.

The replacement cost will be calculated taking into account the work of specialists and the cost of the part. Usually the cost of work is 3000-5000 rubles, and the price of a part depends on the manufacturer.

So, the average price:

• CT 1179 (CONTITECH) - from 1000 rubles;
• 5671 XS (Gates) - 3890 rubles;
• GATES K015631XS 16 cl - 3890 rubles;
• Bosch 1987949686 (Bosch) - 1360 rubles.
• Trialli GD770 - 2900;
• Lynxauto PK1300 - 2430 rubles per set.

Standard belt from the factory

The frequency of replacing the timing unit of the Lada Vesta car is about 90-100 thousand km.

A resource is the frequency through which a node needs to be changed. The resource of the Gates model part is approximately 200,000 km. It is important to take into account that external factors, including correct operation, also affect the duration of the timing belt.

For some car models, including Lada Vesta, belts are supplied by the well-known Belgian company Gates.

It is better to buy a kit, along with a tensioner and a regular roller.

From the factory, the car has Gates or Contitech parts.

Replacement tool - you need to know

To replace the timing belt on the Lada Vesta, you need the following tools:

• observation pit or overpass;
• end wrench "17";
• hexagon "5mm";
• Torx E12, key "10" and "15" mm.
• New belt, tension roller and 2 roller.

Replacing the Lada Vesta timing belt can be done on your own.

Instructions for replacing the timing belt on Vesta

It is possible to carry out work on replacing the timing on its own, but this is laborious work.

Replacement requires the necessary technical equipment and experience in repair work.
At the beginning of the installation, adjusting the belt drive, remove its cover on the engine by removing 5 fastening screws.
We removed the cover and remove the belt.
Using the key "17", the crankshaft is turned by the bolts of the rollers so that the camshaft marks coincide with the marks of the plastic casing. We turn until the crankshaft pulley with the F mark coincides with the E.
The crankshaft pulley and stop washer are removed with the same key.
The rest of the casing is unscrewed with a "5" hex: 2 bolts at the bottom and 3 at the top.
With the key "15", the fastening bolt of the tension roller is unscrewed, after which it is dismantled in the same way as the bypass roller. New videos are being put on in their places.
Then a new belt is installed instead of the old one. First, you should make sure that the marks are still set correctly, then the belt is installed on the camshaft, stretched to the crankshaft with tension. For the timing belt tensioner, it starts up last.
With a snap ring puller, rotate the tension roller until the marks are compatible.
Next comes the assembly.

Replacement on motor 21179

The new timing belt is put into the VAZ 21179 unit in the same way as previously disassembled.

Belt brands of analogues

If we talk about the best brands, then Gates, Contitech, Dayco and Bosch are the most promising in the segment and enjoy decent popularity.

Drivers trust the spare parts of the Belgian company Gates, whose manufacturers supply their products to car factories.

An analogue of Geitz is the German company Contitech, its parts are also used during the assembly of the vehicle.

When choosing timing belts, you should choose the original, which may be more expensive in price, but will last a long time. We wish you that your timing belt never breaks and is serviced on time!