Deciphering error code K9K 1 5DCI engine. Repair and maintenance of passenger cars. Characteristic problems and malfunctions

Motor K9K - representative of the series of power units Renault. it diesel enginewho saw the world in 2001. Eight-flaped, economical and cheap power unit with a 1.5 liter volume and DCI injection system.

Specifications and description

The main motor has low characteristics. On the volume of 1.5 liters of only 65 horse power. There are no components such as a turbocharger and two-stage flywheel on this motor. There is also a Delphi injection system that operates under low pressure.

Engine K9K.

The most popular version is 82-strong. A turbocharger with an intercooler is already installed on this motor, and fuel is supplied under higher pressure 1.0-1.2 bar. Also, new generation nozzles are installed.

In a 100-strong variation there is already a two-mask flywheel and a turbine with a variable geometry. The injection pressure is increased here from 1400 to 1600 bar, and the pressure pressure reaches 1.25 bar. Also changed design crankshaft and cylinder heads.

Consider the main specifications Power units:

Service

As you know, diesel power units require more frequent maintenance. The intersavice interval for Motor K9K is 7500-8000 km. Often the owners complain that this is too short time, but at the same time 1.5 The engine consumes only 5.5 liters per 100 km run.

Engine cylinder block K9K

Also, the maintenance includes checking all systems, the lack of heights of oil and malfunction. Every 30,000 km it is necessary to carry out complete diagnostics of the ECU, and a air filtering element is being replaced every 20,000 km. According to the manufacturer's manufacturer's recommendation, each 2 is worth cleaning the nozzles.

Output

The K9K engine is a reliable and strong power unit that has several modifications. The weakest engine has only 65 horsepower. The strongest is a 100-strong motor with increased power characteristics.

The 1,5-liter DCI turbodiesel from Renault (K9K designation) appeared in 2000 and has been produced more than 10 years since then. Of course, for all this time, the motor has repeatedly modernized. This power unit survived the change of fuel systems from three manufacturers. Initially, the Motor K9K was equipped with the Common Rail system from Delphi, then there were versions with the fuel system from Siemens and in the most recent generations - with injection from Continental (in fact it is the same Siemens, but with the Continental logo, which has acquired a VDO Automotive division from Siemens ").

The 1.5 DCI engine has a number of typical "sores", but the presence of some of them depends on the manufacturer fuel system. So, in about September 2004, the K9K engine was equipped with an exclusively fuel system Delphi. Such motors in their designation have an index to 728 inclusive, as well as 830 and 834, and their power does not exceed 105 hp. The DELRHI fuel system is more demanding on the quality of the fuel, but in repair all its components are cheaper. This fuel system needs good care is needed, for its trouble-free work you need to put only the original fuel filter. But the most important thing is to feed it only with high-quality diesel fuel. Due to poor-quality or "dry" diesel fuel (and all the rubber components are lubricated by the fuel) and even more so because of the water content in fuel or short-term trusting of the fuel system Delphi may begin to "drive a chips" due to, which subsequently applies to The entire fuel system. The chips are formed in a pair "Rotor TNVD - Shaft Rollers". As a result, nozzles and pump itself can be released. In addition to the formation of chips, literally poisoning the entire fuel system, the performance of the TNVD falls: it ceases to supply fuel under the starting pressure. Also a weak injection site from DEKPHI are the check valves of the nozzles, which are excessively poured fuel to the return fuel line. Because of this, problems can occur with the start of the engine.

The advantage of the DELRHI fuel system, in addition to maintainability and relatively low repair cost, is the use of accelerometer, thanks to which the injection is adapted to the natural wear of the nozzles. This feature allows you to change and put nozzles without registration, pull and change the valve. By the way, the new Delphi nozzle for 1.5 DCI K9K motor will cost 500 rubles.

By 2005, the 1.5 DCI K9K motor was upgraded. He has changed the head of the cylinder block, crankshaft and piston, and the power has grown - in the most powerful version of the motor's return reaches from 106 to 110 hp. For fuel injection into the cylinders of such motors, the CommonRail system from Siemens is responsible. Modernized engines Received indexes 732, 764, 780, 804, 832, 836. Powerful 1.5-liter DCI diesel engines with fuel Siemens can be identified by the presence of a 6-speed MCP, while all the variants of this engine with fuel from Delphi worked as a pair with 5- Step MCP. And if you look into the pumproom space and consider feedback channels of the fuel, then Delphi can be recognized by top-containers, and Siemens - on the emerging side.

Siemens fuel system is definitely more reliable and characteristic weaknesses has no. If problems with it happen, then only because of a significant run. The most common problem with the Siemens fuel system is associated with the malfunction of the pumping pump built directly in the TNVD. Low productivity "swap" causes its excessive wear. As a result, the TNLD does not receive a sufficient amount of fuel and works with deviations from the norm, which immediately responds to the engine performance.

Siemens fuel system (or later Continental) uses exclusively piezoelectric nozzles. They are unpretentious and easily serve 200,000 km and even more. However, they cannot be repaired: it is implied only full replacement. You can put both new (about 400-700 rubles per piece) nozzles and "b / ear" (200-400 rubles).

In rare cases of fuel system malfunctions can lead to 1.5 DCI K9K motor death. Because of the "pillings", nozzles can ruin pistons. However, the most common cause of the total motor failure K9K is connecting rod inserts. The fact is that connecting rod liners here are short-lived and experience heavy loads. As natural wear, the gap is increased between the neck of the shaft and the liner, through which the oil, without meeting sufficient resistance, is simply merged into the pallet, without lubricating loading parts. As a result, the wear of the liners accelerates, which will soon lead to them. The engine caught due to the grinding is often changed to the contract - it is cheaper and faster. average cost Contract motor 1.5 DCI varies from 1000 to 2000 rubles.

To avoid a flap of liners, their preventive replacement is recommended every 60,000 km. BUT motor oil For 1,5 DCI K9K motor, you should use only the appropriate tolerances of the manufacturer. It is important to know that the car needs to immediately change not only all consumables, but also connecting rods from Europe. In Europe, the interservice interval of this motor reaches 30,000 km, which is not at all for the benefit of the inserts. By the way, when replacing oil on this engine It is recommended to fill new filter Freshly oil: it will exclude short-term oil starvation of rubbing parts of the engine.

Reducing the service life of 1.5 DCI K9K can and defective valve oil filter: Because of them, with a non-working motor, the oil is not kept in rubbing parts and merges into the pallet. Consequently, when starting the engine, a few seconds literally works "on dry". Also low oil pressure in this power unit can be associated with a thinning spring reduction valve Oil pump. Make an approximate opinion on the state of oil pressure in the engine 1.5 DCI K9K can be on the light bulb on the indicator on dashboard: If after at least half an hour of downtime goes out instantly after starting the engine, the oil pressure is most likely in order. However, in any case, prophylactic work on the replacement of connecting rod liners should not be postponed.

In general, due to these most liners, the entire engine suffers. After all, in friction, the chips is formed, which oil spreads over the entire motor. So, in particular, only because of this chips "dies" by the turbocharger of the 1,5 DCI K9K motor. The Turbines of the company KKK, which now belongs to an even larger BorgWarner corporation. Motor turbine 1.5 DCI K9K has several executions, but they are all reliable and do not have constructive flaws. However, such turbines break. The reason, as a rule, is one: the fine chips fall into the oil film on the bearing sleeves of the rotor. Here, with huge speeds of rotation of the rotor, the metal on its surface is flared, the smallest imbalance is formed, which after a while breaks the turbine seals. Also, the engine turbines of 1.5 DCI k9k fails due to the use of irregular engine oil (inappropriate tolerances or viscosity) or due to an increase in the intervals of its replacement.

Powerful modifications of 1.5 DCI K9K engine are equipped with a two-stage flywheel and summer filter (FAP) that may require replacement - they are simply not refundable.

For your car you can choose on our site

Due to the high import duties, in Russia, perhaps, the most popular diesel models were versions with engines of the K9K 1.5 line, which is now applied to Renault, Dacia, Nissan, Suzuki and Even Indian Mahindre. This unit is offered with a very wide range of capacity from 65 to 113 forces, and in any case, it is a rather traction motor (160-245 N * m). However, still memories of the Delphi system are fresh, the TNVD is "chip challenge," his repair could fly into a serious amount of $ 1.500. As a result, no wish to experience Fortune again began to look for alternative options: for example, with the same engine K9K 1.5 5 Diskiai, however, the version on which the Siemens fuel system is installed. She does not know such problems. However, the latter is not everything smoothly - as it turned out, their nuances and features. What? Within the framework of this article, we find out this using CTO Specialists "Common Rail Service", which belongs to BELTEHNODIZEL LLC.

So, for a start, it should be noted that the stumbling block is the TNVD in the Delphi system, which began to produce powder from the time to produce a metal origin, which was subsequently broadcast on fuelways, and in connection with which the nozzles were out of order. On the consequences and reasons for this can be found in the article of Egor Alesin. But the pump was later upgraded - and this problem disappeared. And because of this, with relatively fresh cars that come to us from Europe, such a disease may not be. Although, this is already the topic for a separate conversation, and our task today is - a story about Siemens fuel equipment on K9K 1.5 DCI motors: on which models they were installed, their strong and weak sides, the cost of solving faults and other problems, and tips in operation.

What machines are 1.5 DCI motor installed?

To begin the story of our Siemens fuel equipment on turbodiesel motors 1.5 DCI should be with the instructions of brands with such diesel engines, and the most popular models. For calculating the engine code, the equipment of which brand you have is simpler simple. All these power units have a six-digit designation. So, in more detail - the first three symbols of this designation are K9K, point to the Motor family, and in the following three - contains information about their modifications.

Now about models. Siemens fuel equipment on 1.5 DCI engines was installed on the following "renotal" models: versions of Megan second and third generation - hatchbacks, cabriolet, wagon, coupe (only "Trejcs") and sedan (only "dvroshki"), Scenic two and three, Flyuens, Laguna Three, Clio Three - Hatch and Universal, Modeus and Kanga.

In addition to these models, Siemensovsky injection was used in turbodiesel engines, which were installed on such Nissanov models like Tiid and Casca. Siemens Jumping equipment is used in the most powerful versions of the 1.5 DCI motor - starting from the 105x version (i.e. 77 kW and more powerful).

What is "aggregated"?

Almost always, these power units go in a tandem with six-speed MCPP, and a five-speed manual transmission manual is installed on weaker versions. Experimental dieselists only according to the form to determine, looking into the open space and find out the difference between the two systems: Delphi is getting alongside, and Siemens is on the side. Further, the fuel filters of both systems have a different design. Also a characteristic feature of Siemensovsky TNVD is the presence of two regulators, instead of the usual one from Delphi products. On the Siemens pump, there may be a stigma, both with your name and Continental, given the fact that VDO AUTOMOTIVE AG - Siemens division, was sold to CONTINTAL AG. In addition, Siemens piezoquorm have a corresponding label and a characteristic form.

About repairs 1.5 DCI

The Siemens fuel system has no characteristic weak points. All misfortunes lies only in large runs, the quality of consumables, and mostly fuel - after all, we still do not sell normal diesel fuel to all gas stations. Or rather, the main reason for the failure of the TNVD is the presence of extraneous particles and impurities in the diesel (that is, mechanical particles). Although it is worth noting that the injection system from Delphi is still more sensitive in this regard. Although they should not blame, because global manufacturers of both gasoline "straight-fledged" and diesel models, for some time they did not supply their models officially - they were afraid of the qualities of our fuel - and not in vain, it is not indirect injection of injection A la diesel tractor Belarus which without problems can digest the diesel fighter in half with plasticine! These are high-precision injectors in which fuel (excellent, or at least average quality - as the Europeans understand, the Japanese, etc.) is sprayed to the smallest particles, and the presence of extraneous particles and impurities, it is clear that they are out of order! So, at the beginning, everyone was afraid to supply our masterpieces to us, and after gradually learned to "adjust" their injectors and the pump to the potential dirt of our diesel fuel.
Continental / Siemens establishes exclusively to the nozzles of a piezoelectric type, which, as the wizards say, although they are maintained, but they have more than a sufficient resource - finally, "foreigners" have learned not fear of our diesel. When working with Siemens equipment, the most common is the problem with which the masters of Beltehnodizel LLC are faced, is a failure due to excessive wear of the fuel-pumping pump, which is built in TNVD and in the system creates low pressure. Its inner surface in exceptional cases can be covered with rust: for example, water fell into the fuel line, after which the car stood for a long time without movement. The cost of such a lid of the flange is 58-65 "Eurukov". However, with a not quite successful circumstance, it may be necessary to replace the flange assembly. The price of the original 195-210 euros. There will also have to carry out a defective, at least 9-12 bucks for the pump itself, and the repair kit for 24-27 "Eurukov". TNLD from Siemens has a filling regulator and a drain regulator. In case of breakdown, each of them will cost 100-115 euros. Finally, the cost of new nozzles, both in European countries and in Belarus varies in the range from 150 to 350 "EuroDinitz". But there is also a sense, and pay attention to the "favorite" details - they will cost much cheaper - at $ 100-200.

As experts say, in our country there are 1.5 Distiai engines in the country, which are equipped with Siemens injection systems, while not so much, and they fall relatively rarely. This is due to the fact that Siemens, as mentioned above, are installed on the most powerful versions of motors and, as a result, the most expensive. The overwhelming majority of customers contacting the service, however, another problem is manifested - the refusal, or rather the full failure of the turbine. It also affects the resource. fuel equipment. The reason for this, apparently, serve as large runs that such cars go to Belarus, as well as the moment that in Europe, the interservice interval for such engines is 30 thousand km. Specialists unequivocally indicate that the term of replacement of air, fuel and oil filtersEspecially in Belarusian conditions, it is worth cutting up to once every eight thousand km, and a maximum of no more than ten thousand km. Only qualitative consumables can be recommended for use: for example, Bosch, Hengst, Knecht, Kolbenschmidt, UFI filters, etc. And from the use of cheap filters of dubious origin and quality is better than refusing at all. In addition, it will not be superfluous every thirty thousand km the use of additives for cleaning the fuel mechanism from the resin, since the Belarusian diesel fuel on resinous sediments is very "fruitful". And a very ideal option will be the behavior of the tank washing procedure at least once during the year. If you follow it simple advice and recommendations, it will reduce the risk of any problems associated with fuel equipment, to a minimum.

According to experts, as well as the owners of cars with 1.5 DCI engines, nevertheless, Siemens fuel equipment on these motors has proven itself as one of the least problematic options. In addition, it was installed on the most powerful versions of the motor, because of which, they also loved for high efficiency, and excellent dynamic indicators (for such power). However, at the same time, like any system of type Common Rail, "Device" from Siemens, though until time, it can work on low-quality fuel, nevertheless is not calculated on it. And if there is bad fuel, although it may be in the role of "Socks" to the gas station, it does not forgive the empty relationship in terms of maintenance: it is necessary to use only high-quality filters, at least once every ten thousand km. And if you even managed to find suitable car With Siemens stigma on the nozzle, do not regret the fifty "bucks" to the diagnosis, since, checking the health status of the turbine and the serviceability of fuel equipment, most likely you will save money to save money.

You decided to buy a car and can not decide on the choice of engine. What better car, with gasoline or diesel engine? This question, as well as the answer to it is very relevant. For example, Diesel has an advantage over gasoline engines with the same power - economical fuel consumption, and vice versa, loses to them by the fact that a good quality diesel engine in Russian refills is hard to find, and ride on the one that is more expensive. In this article, consider the turbocharged diesel K9k. - 1.5 DCI, widely used on cars from different manufacturers.

Diesel Motor K9K Single-row, K Series - Development of Renault-Nissan 2001, has four cylinders, eight valves. Its production has been established in three countries: Spain at the factory Valladolid Motores, Turkey - Bursa Plant, India - Oragadam Plant. K9K is represented by a family of diesel engines of various models. Their most important differences: power, turnover, torque, fuel consumption, the ability to install a manual transmission or automaton.

Diesel characteristics K9K -1.5 DCI

For identification, all Renault motors have the appropriate XNY ZZZ marking, respectively, K9k. - The first three characters. For the correct understanding of the labeling of Reno engines, you can see the data in the table with decodes.

Decoding engine labeling RENAULT by three letters

Reading the marking in accordance with the tabular data, it becomes clear that the engine K9K: K is a cast-iron block and non-removable cylinder sleeves; 9 - diesel with direct fuel injection; K - volume of 1461 cm³.

Application of diesel models K9K

Installation Place Plateplate Writing

Disadvantages of K9K.

• Increased sensitivity to low-quality oil and fuel;
• Low power

The main disadvantage of K9K is the increased sensitivity to poor-quality oil, to the late replacement of oil, as a result of which, when run 150000-200000 km, the connecting rods occurs. If you have the facts of previously mentioned disorders of oil-related engine, then do not hesitate, rather change the liners. The same is recommended to do when buying a car with mileage. Pour high quality oil, and replace it no later than the installed developments (see table). Many complaints about motorists' reviews on the COMMON Rail system of Delphi. Does not tolerate DVS poor-quality dielair, and in the fuel pump high pressure Problems are beginning with plunger pairs due to metal particles as a result of production, and then the nozzles begin to clutch, the engine troit. Selecting motors with alternative fuel equipment options and replacing the fuel filter once in 8000-100 km original, plus the use of good fuel will get rid of the fuel injection problems. The failure of the turbocharger mainly occurs due to the ingress of metal particles in oil, the concentration of which rises at times when the oil replacement is impaired on time. The power of the DVS is not enough, not more than 110 liters. from. The lack of horses is felt on any roads when there are cargo four passengers from 100 kg to the salon, the engine has to sweat through the car burning the decent fuel supply, the duration of overclocking and fuel consumption is increasing, maneuverability during overtaking and rebuilding increases.

Weak places K9K.

• Connecting rod liners;
• TNLD, nozzles (Delphi);
• Advance pressure sensor;
• Crankshaft position sensor;

More detailed pro weak spots

Running liners, as already described above, one of the weak seats of the Diesel under consideration. With the material of the liners, everything is in order. The reason for the jamming and turning is indicated in disadvantages.
TNLD, nozzles - delphi food systems very early die on the substandard Russian Solar. There are other more reliable options for fuel equipment, such as Siemens.
Pressure pressure sensor - its failure is not frequent, but it happens. When it fails, the thrust disappears. The problem is solved by replacing the new one.
The crankshaft position sensor - according to reviews, often fails on vehicles with big mileage. Malfunction manifests itself detonation, instability idling, reducing the dynamic, jamming the car in motion, the game of revolutions will not start from the starter. These symptoms can be short-lived and in this case computer diagnostics will help. In the event of a malfunction, the sensor is replaced.

Output

For properly operation The engine is reliable, as a rule, 150000 km serves to run it properly. The intimateness of the replacement of the timing belt leads to failure motor. The breakdown or location of the belt is fraught with a burden of liners and flap of valves. Another frequent cause of problems with DVS occur due to non-compliance with the periodicity of oil replacement. If you exploit the engine with the instruction manual and maintenance, taking into account the corrections for the periodicity of the oil replacement, indicated in the table with the characteristics (see above) and the filter, the engine consists of a more installed resource of 300,000 km.
P.S. Dear drivers, Specialists hundred! Waiting for your feedback and questions in the comments on the disadvantages, weak places In operation, maintenance, repair.

After in 1999, it was created and launched into a series of flagship of gasoline line renault engines-Nissan - K4M engine, in front of the French-Japanese tandem designers faced the task of updating and diesel power units. According to the results of such cooperation, since 2001, the production of 1,5-liter diesel engine of the K9K series is launched on Renault-Nissan conveyors. Over the past 15 years, this motor was installed (and continues to be installed) passenger cars Renault (Duster, Fluence, Twingo, Clio, Scenic, Kangoo, Megane), Nissan (Note, Almera, Juke, Quashkai), Dacia (Logan, Sandero, Dokker), Suziki (Jimny), Mercedes (in A and B class) . K9K engine - the most massive diesel engine Renault Nissan in the 2000s.

Structurally, the K9K engine is a four-cylinder row power unit equipped with a high-pressure fuel injection system (Common Rail), with a turbocharger and a common fuel frame. Any special design "delights" the creators of this motor did not use, making a classical layout at a time-tested time. As a result, the automaker received a "basic" engine, easily adaptable to a specific model or layout of the car by using different hinged equipment and electronic system Control. There are several dozen K9K engine modifications for Renault cars, Nissan, Mercedes, Dakia and Suzuki. To determine for which machine it was created by one or another power unit, which is its power characteristics and features of the attached equipment used, in three numbers that follows the engine marking. For example, in our online store you can buy a Renault engine K9KJ836. This power unit is removed from the car Renault Megane 3 with 6-step mechanics and has a power of 110 hp Similarly, other Renault motors are identified.

Major malfunctions and engine resource K9K 1.5 DCI

The accumulated 15 year experience of operating the K9k engines allows to accurately determine the resource and the margin of the strength of this power aggregate. Subject to maintenance regulations (at the plant) these motors work without overhaul About 300 thousand kilometers, and the first 150 thousand do not deliver serious trouble with their owners. But in practice, this figure can be very different both in the greater and in a smaller side. The fact is that K9K engines are very sensitive to the quality of the oil used. Therefore, if you use oil, differing in its characteristics from the factory recommendations, or change it less often than 1 time per 10,000 km of run (according to the recommendations of the plant 15 and even 20 thousand km), thereby cut the life expectancy of your motor. The problems with the lubrication system usually lead on K9K engines to turning the connecting rod inserts, and therefore, to the guaranteed overhaul.

Another big problem with which car owners are faced equipped with Motors K9K - the lack of experienced fuel specialists cOMMON system Rail. That is, there are such specialists, but only in large cities and, as a rule, they work by appointment. In other words, if you have started problems with the fuel system (and considering the quality russian fuelSuch problems may occur at any time), then you will have to either wait for your turn to repair, or contact the service without warranty on the quality of work performed. The design features of the K9K engine fuel system are as follows that the breakdown or incorrect operation of one of the elements of the system, in most cases, lead to failure and other vital for the operation of the engine elements. For example, incorrectly operating engine nozzles K9K, can "bring" your motor even before burning the pistons. Thus, if you have any problems with the engine on your dashboard, it is not necessary to regularly erase the error from the computer's memory, it is much wiser to immediately contact a qualified service for detailed diagnostics and troubleshooting.

Well, of course, it is very important to follow the condition of the engine turbine K9K Renault. With incorrect circulation, the turbine may require attention after 60,000 km of run. And the cost of this part is very high and on average is 20-25 thousand rubles for used parts and 45-70 thousand rubles for the new original. By the way, the cost of all components of the K9k fuel system is high enough. So, used the nozzles in our online store there are 10 thousand rubles per piece, the TNVD K9K - 16 thousand rubles, the USR valve - 6 thousand rubles and so on. The cost of new original detailsNaturally, several times above.

The owners of a car equipped with this power unit can be recommended as follows:

• carefully choose and change the engine oil in a timely manner (it is better not less than 1 time by 10 thousand km of run);
• refuel only with high-quality fuel, in no case fill in the "left" tank diesel fuelor fuel at refueling of dubious brands;
• regularly (preferably with each oil change) change the fuel filter - for you it is the most important element of savings on the future repair. Some car owners even change the Filter Filter Filter with more thin cleaning;
• change air filter every 30000 run;
• if you appear on the dashboard messages about the problems with the engine immediately refer to the diagnosis.
• do not save and do not tighten the repair. Turbine incorrectly works, and you do not rush to replace it? - Then expect high costs as well, on the nozzles and fill.

Despite the apparent abundance of serious Renault K9K engine problems, it should be noted that the absolute majority typical breakdowns It is primarily due to the incorrect operation of this power unit. The motor itself has a sufficient stock turn, but is designed for regular and attentive maintenance, visiting a qualified specialist and accurate diagnostics.