Location of unit identification numbers and their designations, VIN number
On the right central pillar, below, there is a double plate with information about the car.
Explanation of the designations on the bottom plate : 1 – AVTOVAZ – manufacturer; 2 – vehicle type number (vehicle approval type). In the structure of the vehicle type approval number indicated on the manufacturer's plate, extension, extension or correction indices (P1, P2, P1, P2, I1, I2, etc.) are not indicated. To determine the full vehicle type approval number, you should be guided by the information specified in the vehicle passport. 3 – identification number (VIN number) ; 4 – permissible maximum weight; 5 – permissible maximum weight of a vehicle with a trailer equipped with a brake system; 6 – maximum permissible load on the front axle, kg; 7 – maximum permissible load on the rear axle, kg
9 - Number for spare parts. 10 — Engine designation. 11 — Commercial designation of the vehicle. |
Decoding VIN number
According to international standards, the first three letters indicate the manufacturer's code; The next six characters are the car model; letter of the Latin alphabet (or number) - model year of the car; the last seven digits are the chassis number, which for a passenger car corresponds to the body number. In accordance with the Technical Regulations “On the Safety of Wheeled Vehicles”, the model year is defined as a conditional year indicated by the manufacturer (usually following the actual year of manufacture of the vehicle). At AVTOVAZ, the start of the model year is set on July 1 of the calendar year. Thus, from January 1 to June 30, the model year corresponds to the actual year of manufacture of the car, and from July 1 to December 31 corresponds to the one following the actual year of manufacture of the car.
The VIN number is also located (duplicated) under the front passenger seat, on the body cross member
Engine number location
The location of the label depends on the installed engine.
The red arrow indicates the location of the engine number.
Location of numbers on the engine (1.6 l)
This photo shows the engine number with the heat shield removed.
Attention: car enthusiasts note the fact that the location and method of applying the number in this place is unsuccessful. Over 100 thousand km. mileage (in Russian conditions) due to corrosion, this number becomes completely unreadable . This may create problems when re-registering the car. It is recommended that measures be taken to protect this label.
Engine 11189
Engine 21129
1 — The first five digits are the engine model index. 2 - Seven digits: limited by stars - serial production number of the engine.
Engine K4M
1 — The first three numbers are the engine type (K4M). 2 - The following four characters are an option for the manufacturer. 3 — Engine serial number.
Difference in manufacturer designation
Production AVTOVAZ Marking of K4M assemblies of AVTOVAZ assembly with the letter “P” | External delivery Marking of K4M units for external delivery (for example, “D”) |
The location of the sticker with the gearbox code can be seen here
Video
Features of fifth gear on Largus
Along with the above malfunctions, Largus owners often have a desire to improve the performance of their car, or more precisely, to adapt it to personal requirements. In the main modification, the Lada Largus gearbox comes with a 16-valve engine. The fifth gear ratio (TR) is 0.892. This indicator indicates that the car can move confidently both in city traffic and outside the city. It easily picks up fifth gear from 50 km/h and dynamically reaches its upper speed limit, so there is almost no need to switch to fourth.
However, when driving for a long time at a speed of 90-100 km/h, increased noise occurs and increased fuel consumption is observed. This situation can be corrected by replacing the two fifth gears on the input and output shafts. Replacement takes place with gears that have a lower gear ratio, therefore, fewer teeth. These pairs of gears are sold in aftermarket gear ratios of 0.820, 0.795, 0.756 and 0.738. Experiments on replacing fifth gear gears were carried out by both AvtoVAZ and numerous car enthusiasts.
When using a pair with an IF of 0.820, the fifth gear becomes slightly shorter, as a result the car easily picks up a speed of 60 km/h both on an incline and when driving on a straight road. The noise from the gearbox operation becomes significantly lower.
Gears with a gear ratio of 0.795 slightly change the maneuverability of the Largus. When overtaking, you need to engage fourth gear more often to gain the desired speed. It is often necessary to switch to four when driving on the ground in a loaded car. As for the installation of gears with an IF of 0.756 and 0.738, they aggravate the listed disadvantages.
It is best to replace the factory gears with a pair with a 0.820 ratio.
What does largus mean?
Review of the Lada Largus
In Latin the word largus means
"generous".
AvtoVAZ says that this word became the basis for the name of the new model. ... The Lada Largus
is a licensed copy of the Dacia Logan MCV. The model was developed jointly with the Renaul-Nissan concern.
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Device and characteristics
The engine marked K4M is a high-tech power unit with high performance. The first production of the power unit began back in 1999. The motor design is quite simple and understandable. The only difference from its younger brother K7M is that there are two camshafts in the cylinder head.
Also, the engine is much quieter because hydraulic compensators are installed. The engine is equipped with sixteen valves, which increases power characteristics and slightly reduces fuel consumption. The average engine life is 350,000 - 400,000 km.
Main technical characteristics of K4M
Name | Index |
Manufacturer | Renault |
Volume | 1.6 liter (1598 cc) |
Number of cylinders | 4 |
Number of valves | 16 |
Fuel | Petrol |
Injection system | Injector |
Power | 102 hp |
Fuel consumption | 7.9 l/100 km |
Cylinder diameter | 79.5 mm |
Econorm | Euro 4 |
The French engine was also equipped with gearboxes from Renault cars with JR5 or JH3 markings, which were also installed on Logan.
Engine model and number
The model and number of the VAZ engine are stamped on the end of the cylinder block on the left next to the gearbox.
On Renault-Nissan HR16DE/H4M, the engine number is stamped on the cylinder block in the location shown in the figure:
Let us remind you that instructions for operating and self-repairing the Lada XRAY can be found in this category or in the contents.
Key words: lada xray engine
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Vehicle registration details
At the bottom of the front passenger door pillar there is a manufacturer's plate that contains information about the vehicle.
The designations at the bottom of the plate are deciphered as follows:
: 1 – manufacturing plant; 2 – vehicle type approval number; 3 – vehicle identification number (VIN); 4 – permissible maximum vehicle weight; 5 – permissible maximum weight of a vehicle with a trailer equipped with brakes; 6 – maximum permissible load on the front axle, kg; 7 – maximum permissible load on the rear axle, kg
The vehicle identification number (VIN) is located on the body cross member under the front passenger seat. The model and engine number are printed on the boss of the front wall of the cylinder block, next to the oil pressure indicator sensor.
Location of engine number 1.6 (16V)
For clarity, the location of the engine number 1.6 (16V) is shown on the dismantled engine
Location of engine number 1.6 (8V)
For clarity, the location of engine number 1.6 (8V) is shown with the exhaust manifold heat shield removed
On the first Largus, the engine was still Spanish, then these engines began to be assembled in Russia, and a long time ago, after buying the second Largus, I was 100% sure that the engine was our assembly, but now I decided to check and was very surprised, the engine is Spanish! Number starts with D
the letter in the engine number is the manufacturer's code. D
— Valladolid, Spain,
U
— Dacia, Romania,
R
— Tolyatti.
C
- Cleon, France.
R
- Turkey
An addition to the basic information for the K4M K is the engine range, which determines the crankcase material, the type of cylinder liners, the number of cylinders and crankshaft supports. 4 - head type, valve location. M is the approximate working volume. (in our case from 1576 to 1650) Next is the suffix. These are the letters/numbers after the engine type. The first digit (if 6, 7, or af - then the engine was manufactured at Renault factories. The last digit - even - means that the engine is designed for mechanics. - not even - for automatic transmission. If the suffix contains the letter S (for example S 0000) - this indicates that the engine has been overhauled or assembled from parts of other engines.
Next, the cooling system and drive belts. Recommended product for the TOTAL GLACEOL RX cooling system. Not available for free sale. TOTAL GLACELF AUTO SUPRA is produced as a direct analogue for the wide market. Thermostat opening temperature = 83 degrees. 2-speed fan. 1 speed = turns on at 99 degrees, turns off at 96 degrees. Speed 2 = turns on at 102 degrees, turns off at 99 degrees. Constant operation of the fan indicates that the temperature sensor is faulty and the fans have gone into emergency mode.
OIL LEVEL IS NOT LOWER OR ABOVE THE REQUIRED LEVEL!
Excessive amount of oil in the engine leads to an increase in the amount of crankcase gases - this leads to coking of the throttle valve in the engine intake tract.
Engine options
K4M has several modifications with different characteristics. Thus, the 16-valve K4M Renault Megane 2 engine has the digital designation 812 (K4M812). Models differ in markings. As with all Renault engines, the rule applies here:
A block of three numbers - coding the features of the motor (power, gearbox type, etc.), for example, an even number indicates the purpose of the power unit for assembly with a manual transmission, an odd number - with an automatic transmission.
Thus, the K4M Renault engine with code 812 is a motor with an aluminum head, gasoline, 4 cylinders and 16 valves, 1.6 liters in volume, for manual transmissions.
Source
What to do if the engine is dirty and the license plates are not visible
Those who do not take care of their car may encounter a problem when the markings on the engine are not visible. It is not necessary to immediately send the car to a car wash; it is enough to wash the device with your own hands. For small dirt deposits, you can wash it with a damp cloth soaked in detergent. If the unit is very dirty, you will need sandpaper. Although it’s better not to let it come to that. After washing, the number can be easily seen. If the dirt is not washed off, you cannot do without the help of a car wash.
Manual gearboxes Lada Largus
From the very beginning of production, the car was equipped with a manual transmission-5. The transmission ensures optimal transmission of torque from the engine to the drive wheels. Depending on the engine power and torque, the Lada Largus is equipped with either JH 3 540 manual transmission or a similar JR 5 unit . The first type of manual transmission is designed for a 5-seater station wagon with a K7M engine under the hood. There are several versions of the JR5 mechanics:
- JR5551 – for a car with a 7-seater body and a K7M engine;
- JR5549 – for the version with a 5- and 7-seater body and with a K4M engine;
- JR5517 – for van with K4M and K7M engine.
The operating principle of the above units is almost identical and consists in connecting gears with different numbers of teeth. The main task is to ensure a change in torque in strict proportion to the gear ratio. There are several levels of boost for Lada Largus engines: 84, 87, 102, 105 and 106 horsepower. The different power of the motors is a consequence of the production of several modifications of the same 5-speed manual transmission with a certain number of teeth on the gears and gear ratio.