VAZ-21126 engine. Features

The VAZ-21126 engine in-line, has injection, four-stroke and the camshafts are at the top. Like most modern engines, the cooling liquid, closed, forced circulation occurs. Lubrication of engine components is produced by spraying under pressure. The engines are used in modern models of VAZ - "Priora" and followed.

Distinctive features of the engine

Install the engine VAZ-21126 for the entire series Lada Priora, as well as on its modification. Some motorists without special alterations put such motors on the "tens" and the twelfth. A kind of tuning, which allows to use more options – set of Gur, the conditioner, is possible without rework. At the same time the development series motor 11194, therefore, most of the components are the same, regardless of what the displacement is substantial. The task of the developers in the design was included to significantly increase the life of the engine. And to achieve the goal, if improving the lifetime of all individual nodes.

The car "prior" engine 21126 were developed on the basis of the same unit of the model VAZ-21124. But they have many differences: reduced weight and sizes of all elements. For example, the pistons in the same space have on the model 21126 mass of a hundred grams less. The height of the block of ice 197,1 mm – is the distance between the axis of rotation of the engine crankshaft to the top surface. The structural differences from that used in the motor 21124 block 11193-1002011 no. Main features – this is an extremely high quality of the processing cylinders, and changed in a big way height.

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Main motor features

The Engine VAZ-21126 has a working volume of 1.6 liters (actually 1,597). The normal compression ratio of the motor 11, only 4 cylinder. The total power at rpm 5600 rpm – 98 PS or 72 kW. Crankshaft idling rotates with a frequency of 800-850 rpm. When the crankshaft rotation speed 4000 rpm the engine develops a maximum torque of 145 N*m. Such data has the engine 21126. Price of used mechanism is 25000 rubles and above. New cost a lot more.

Features of piston:

1. Piston Stroke 75.6 mm.
2. Diameter of motor cylinder 82 mm.
3. Number of valves-16.
4. Working cylinders according to the scheme 1-3-4-2.

Injection distributed control via digital block. Running the engine on I-95 unleaded petrol, the ignition of the mixture occurs by spark ignition type АУ17ДВРМ or BCPR6ES (NGK). The weight of the engine assembled - about 115 kg.

Piston engine

The development of the piston group – it is a merit of the company Federal Mogul. Experts made the motor elements whose mass is significantly lower than in engines of VAZ-21124 – predecessors. But when compared with VAZ-2110, it will be seen that the mass of the piston group fell by about a third. The piston diameter was unchanged, but the height is significantly reduced. Also used a thinner piston ring and smaller fingers. This directly affects the speed and power characteristics of the engine. Than the easier it is to promote yourself, the more power he can get to the box.

At the bottom of the pistons has a hole of small depth. Hole for mounting the connecting rod of finger is offset from the axis half of a millimeter. Hole diameter for installation of the piston pin - 18 mm Fixing is made by means of snap ring pliers, install the connecting rod in the piston with minimum clearance. This ensures the smallest displacement of the axis of the connecting rod along the crankshaft journal.

Crank mechanism

Sure is honing – applying a small pattern in the form of mesh on the inner surface of the cylinder bore. The quality of the working surface is high since the processing technology Federal Mogul. Marking the block of the engine VAZ-21126 16 valves index 1002011, it is applied on a metal surface. The color of the unit this model – grey.

Cylinders 21126 have three class sizes differ by 0.01 mm (indicated by the alphabetic indexes A, b and C). The crankshaft used in the engine, has an index 11183-1005016. Seat sizes had exactly correspond to the crankshaft VAZ-2112. But with a few differences: on the modification 11183 increased radius of the crank mechanism (37.8 mm), the full stroke of the pistons is 75.6 mm. to distinguish the crank from the other models, the counterweight has the appropriate designation.

Actuators engine

The crankshaft pulley includes a gear type is indicated by the index 21126. The teeth of the pulley is designed to work with the timing belt, which is semi-circular tooth. Not to slip the belt during operation, on one side there is a small band of metal (flange). On the reverse side of the mounted puck. To the crankshaft mounted damper-model 2112. It is necessary for the drive of the hinged equipment and generator.

The pulley is still installed a toothed disc, which is necessary for the operation of the position sensorcrankshaft. To set in motion supplementary equipment – generator, power steering pump used belt V-ribbed type with a length of 1115 mm, it is designated 2110-1041020. If there is no power, then used the V-ribbed belt type 2110-3701720, whose length is 742 mm. in the presence of a car air conditioner, provides all the equipment is in motion belt type 2110-8114096, which length - 1125 mm.

Piston rings and fingers

Diameter of 82 mm rings, they are thin, in contrast to traditional vases. Height:

1. Compression – 1.2 mm (top), 1.5 mm (bottom).
2. Oil & ndash; 2 mm.

Outer diameter of the fingers 18 mm with a length of 53 mm. the Difference with the predecessors is significant. Through the use of light elements is obtained to increase power, efficiency, torque.

Set speed car is faster. But it is reflected on all other units of the car – you must use a more effective braking system, to install a good quality vented discs, brake pads. Therefore, when self-tuning pay attention to all the details.

Engine connecting Rod 21126

This technology is used in more subtle, contact with the crankshaft at the connecting rod there, which significantly improves engine performance. Thanks to the use of this design was to reduce friction in the nodes, which significantly increased capacity and efficiency. Class of accuracy of the piston should correspond to the indices of the cylinder block of the internal combustion engine. The marking of the pistons can be found on the surface of the bottom.

The VAZ-21126 engine has a rod more lightweight than the model 21124. In the manufacture of the latest technology. Length – 133,32 mm. portion of the preform rod islamipedia – it turns out cover. Through this method fails to accurately combine the surface of products. A fastener cover is carried out using screws, which re-use is unacceptable. Ear for connecting rods have a width of 17.2 mm.

Cylinder head of the engine VAZ-21126

The block head two camshafts and 16 valves, model 2112 is characterized in that the area for installation of automatic belt tensioner a little more. Also changed in a big way the size of the area under the flanges of the exhaust pipe. Valves, springs for them, hydraulic lifters and camshafts – just like on the model 2112, no difference there. Denote pulleys camshaft:

1. Two circles, located near the teeth, on both sides of the mark – final.
2. One round from the left side of the label – an inlet.

With hydraulic tappets is obtained automatically compensate the clearances in the valve actuators. Therefore, when operation of the vehicle with this motor eliminates the need for adjustment of valve clearances. The original design of a system for automatic tensioning of the timing belt of a new type, not previously used applied types of rollers. The belt 137 teeth with a different profile type. This entailed the installation of a new design pump, more efficient than previously used.

Fuel and exhaust system

The Catalytic Converter, used on engine 21126, the characteristics of which strongly depend on the exhaust system, is more than perfect. Its diameter is greater than on model 21124.

Different types of cotcollector able to ensure compliance with the standards of toxicity Euro-3 and Euro-4. The engine set 4 ignition coil – one for each candle. This eliminates high-voltage wires.

The Fuel system is a little different from the one used on the early models. The ramp is made of stainless steel, the injector - Bosch, Siemens, Mercedes. Injection phased, controlled by sensors, actuators, connected to the microcontroller control system "January-7.2" or M-7.9.7.