Weak places and disadvantages of the engine K9K. Repair and maintenance of passenger cars Engine K9K 1.5 DCI at number 832

the main / Tuning

Extremely popular, proven and quite reliable diesel engine from renault. with the factory index k9k. It has many modifications with different power indicators.

Main differences different modifications (Each has its own three-digit digital code, for example, 732 corresponds to the power of 106 hp):

Different turbines.
Miscellaneous execution of the head of the cylinder block (GBC).
Different engine management programs.

This engine was installed and installed on the following models:

Renault Megan 2, Renault Megan 3, Renault Scenic 2, Renault Scenic 3, Renault Grand Scenic 3, Renault Logan, Renault Duster (officially sold in Russia), Renault Kanga, Renault Kangu 2 (officially sold in Russia), Renault Clio 3, Renault Lagoon 3.

European Models of Nissan:

Nissan Juke, Nissan Mikra, Nissan Cascai, Nissan Nout, Nissan Tiida.

What to pay attention to operation ( possible problems Engine K9K 1.5 DCI):

Worn liners / damaged connecting rods

Turbine failure. The process can be gradual. The main signs - the engine begins "there" oil (oil accumulates in the intercooler radiator), drops or disappears (pickup) of the engine, extraneous metal sounds from the turbine, fresh oil leaks from the turbine. Guaranteed solution - installation of a new, high-quality, non-original (German) turbine, budget decision - turbine repair in specialized service (Not everyone is taken for these turbines) hours of work after repair - from 2 months to 2 years. When replacing the turbine, it is also necessary to change gaskets, seals, engine oil and air filter!

Brim belt break. As a rule, due to natural wear, if the timing belt did not change, or the falling out of the foreign object is usually a broken generator belt. The breakdown of the timing belt with a high probability leads to the valve clamp (all or several) and, as a result, enough expensive repair The engine (removal of the GBC, replacement and triggering of valves, adjusting the valves - it is necessary to pick up and order "cups").

The failure of the glow candles. The official regulations on the replacement of glow candles on this engine are not - they change in case of failure. Signs - the car is poorly started in cold weather, if all the candles came out of the order - it does not start at all.

List of mandatory regulatory (service) works:

Replacement motor oil And the oil filter is 10,000 kilometers or a year, depending on which it comes before.
Replacement air filter - every 10,000 km.
Replacement belt and timing roller, replacement drive belt - Once at 60,000 km or every 4 years.

Engine characteristics:

Working volume - 1461 cc (or in a spacious 1.5 liter).
Type - 8 valves, 4 cylinders in a row, one top camshaft.
Injection is the immediate with the general RamMoy "Common Rail".
Power: 68 - 110 hp
Torque: 240 (by 2,000 rpm)
Compression ratio - 18.25: 1.
GRM drive - timing belt with one roller. (Replacing 60,000 km or every 4 years, regulations for the Russian Federation).
The order of ignition in cylinders 1-3-4-2 (cylinder №1 by flywheel)
Water pump and TNVD are given from the timing belt timber.

Service and repair technical data for engine Renault K9K.

Compression (engine is heated to 80 degrees):

Minimum pressure - 20 bar
The permissible difference between the cylinders is 4 bar.

* Measurement is carried out by a special diesel compressometer.

Pressure in the lubricant system (engine is heated up to 80 degrees):

On the idling - 1.2 bar (minimum).
3000 rpm - 3.5 bar (minimum).

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Engine K9K Turbo - with a superior, inline, liquid cooling, with four cylinders, with an ONS gas distribution mechanism.

The head of the diesel engine cylinders is made of aluminum alloy.

Laying the head of the cylinder block is made of metal, making it more resistant to high temperatures and pressure.

The engine cylinder block mold from gray cast iron with already formed cylinder sleeves. In the bearing crankshaft, cast-iron covers included in the block, including bolts. In both parts of the bearings invested invested. Inserts have boring locks and lubricating grooves along the central circle.

Camshaft The engine is installed in the bed of bearings, made in the body of the head, and recorded from the axial movement by the stubborn flanges.

The crankshaft rotates in the native bearings having thin-walled steel liners with an antifriction layer. The axial movement of the crankshaft is limited to two semicircles installed in the ducts bed of the middle indigenous bearing. Oil canals to bearings were transversely (diagonally).

The flywheel, cast from the cast iron, is set at the rear end of the crankshaft and is fixed with six bolts. On the flywheel pressed the gear rim for starting the engine starter.

Pistons are made of aluminum castings. In the bottom of the piston from the side of the combustion chamber, a recess with the guide edge was made, which ensures the vortex movement of the absorbable air and as a result of this very good mixture formation. Special cooling scheme ensures the cooling of the piston during the release tact. Friction B. piston group Reduced at the expense of graphite coverage of the piston skirt.

The piston fingers are installed in the pistons of the pistons with the gap and pressed with the tension in the top heads of the connectors, which are connected by their lower heads with rod crankshaft cranks through thin-walled liners, according to the design similar to the root. Due to the high maximum cycle pressure, the diameter of the piston finger is increased.

Steel rods, forged, with a core of a foreign cross section. The connecting rod and its cover are made from a single workpiece and processed in one piece, after which the cover is swallowed from the connecting rod by special technology. The result is the most accurate fit of the covers to its connecting rod. At the same time, the installation of the cover to another connecting rod is unacceptable.

Combined lubrication system. Oil flow. Oil from oil Carter It is absorbed by the oil pump, passes through the oil filter and is fed under pressure to the engine. The oil pump with an overpressure valve is driven by a roller chain from a crankshaft sprocket. Under the crankshaft of the engine there is an oil reflective shield that prevents rapid overflow of oil. The engine of the aluminum alloy engine is combined with the front and back covers and are attached to the engine cylinder block.

Oil heat exchanger 6 and oil filter 3 are also embedded in the lubrication system (Fig. 5). An overpressure valve is also enshrined in the oil filter housing, providing the ability to reverse bypass oil. Oil filter Equipped with a replaceable paper filtering element.

Motor cooling system sealed, with expansion BachkomConsists of a cooling shirt made in casting and surrounding cylinders in the block, combustion chambers and gas channels in the cylinder head. Forced cooling fluid circulation provides a centrifugal water pump with a crankshaft drive with a drive belt auxiliary aggregates. To maintain normal operating temperature The cooling fluid in the cooling system is set by a thermostat that overlaps big circle Systems with an immentable engine and low cooling fluid temperature.

Turbocharging system and recycling of exhaust gases. The outlet collector is attached to the flange of turbocharger nuts. The turbocharger serves to increase air pressure using a turbine, which is driven by the exhaust gases. Turbine bearings lubrication included in general System Engine lubricants.

The turbocharging system is supplemented by the recycling system of exhaust gases. The amount of exhaust gas supplied to the system is regulated by an electromagnetic valve of the recycling of exhaust gases, the cone-shaped pusher changes the cross section of the bypass with different valve position.

Supply system. In the cylinders of the diesel engine when the piston moves, clean air is absorbed. During the compression stroke, the pressure in the cylinder increases sharply, while the temperature in it becomes higher than the temperature of the ignition of diesel fuel. If the piston is located in front of the ITT, then the cylinder heated to the temperature + 700-900˚C is injected with diesel fuel, which is self-propagated, so the spark plugs are not required.

However, when the engine is started after a long downtime (cold), especially if the air temperature is low, simple compression is often not enough to ignite the combustible mixture. For this occasion, the combustion candles are installed in the combustion chamber, which are located so that the jet of fuel from the sprayer of the nozzle falls into the hot tip of the candle and flammified.

Incandescent candles are automatically turned on at the time directly preceding the inclusion of the starter. At the same time, the instrument combinations include the alarm 9 (see Fig. 7), and the incandescent candles begin to heat up to high temperatures. The main goal of the heating of candles is confident ignition of fuel injected into the cylinder. After heating the candle to the required temperature (usually takes a few seconds) the signaling device goes out, and the engine can be allowed. Typically, the signaling device goes out the faster, the higher the temperature of the engine. Immediately before starting the engine (or most often soon after it), incandescent candles are disconnected. In most modern engines they can continue to work up to several minutes after starting to reduce the level harmful emissions In the atmosphere when working with a cold engine, as well as to stabilize the combustion process, not completely warm engine. Then the flow of current on the candle stops.

Thus, from the proper operation of the incandescent candles, the launch of a diesel engine and its further work will be directly dependent.

20046 07.11.2017

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, Motor K9k was equipped with cOMMON. Rail from Delphi, then appeared versions with the fuel system from Siemens and in the most recent generations - with injection from Continental (essentially it is the same Siemens, but with the Continental logo, which has acquired the 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 rose - in the most powerful version Righting the motor 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. weak places 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. A motor oil for a 1.5 DCI K9K motor oil 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.

Cut the service life of 1.5 DCI K9K can also be faulty oil filter valves: due to them, with a non-working motor, the oil is not retained 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

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Engine Overview K9K Renault Duster

On many cars Renault Duster, Renault Megan 2 is installed a diesel engine K9K 1.5 DCI volume of 1.5 liters, with a capacity of 86l.s. K9K turbo-with superior, in-line, liquid cooling, with four cylinders, with an ONS gas distribution mechanism, located in motor compartment transversely.

The head of the diesel engine cylinders is made of aluminum alloy. Laying the head of the cylinder block is made of metal, making it more resistant to high temperatures and pressure.

Motor cylinder block K9K Renault Duster car, Renault Megan 2 Molds from gray cast iron with already formed cylinder sleeves. In the bearing crankshaft, cast-iron covers included in the block, including bolts.

In both parts of the bearings invested invested. Inserts have boring locks and lubricating grooves along the central circle. The engine camshaft is installed in the bed of bearings, made in the body of the head, and fixed from the axial movement by the stubborn flanges.

The crankshaft of the engine K9K 1.5 DCI rotates in the indigenous bearings having thin-walled steel liners with an antifriction layer. The axial movement of the crankshaft is limited to two semicircles installed in the ducts bed of the middle indigenous bearing.

Oil canals to bearings were transversely (diagonally). The flywheel, cast from the cast iron, is set at the rear end of the crankshaft and is fixed with six bolts. On the flywheel pressed the gear rim for starting the engine starter.

Pistons of diesel engine K9K car Renault Duster, Renault Megan 2 are made of aluminum castings. In the bottom of the piston from the side of the combustion chamber, a recess with the guide edge was made, which ensures the vortex movement of the absorbable air and as a result of this very good mixture formation.

Special cooling scheme ensures the cooling of the piston during the release tact. The friction in the piston group is reduced due to graphite coverage of the piston skirt.

Fig. 1. Oil filter and oil exchanger engine K9K Renault Duster

1 - bolt fastening of the oil filter bracket; 2, 10, 11 - sealing rings; 3 - Oil filter engine Renault. Megane 2; 4 - heat exchanger sealing ring; 5 - heat exchanger attachment bolt; 6 - heat exchanger; 7, 8 - oil pipelines; 9 - Oil Filter Bracket

Piston fingers of the diesel engine Renault Duster installed in the pistons of the pistons with the gap and pressed with the tension in the top heads of the connecting rods, which are connected by its lower heads with connecting rod crankshafts through thin-walled liners, in designs similar
Native.

Because of the high maximum cycle pressure, the piston finger diameter is increased. Steel rods, forged, with a core of a foreign cross section. The connecting rod and its cover are made from a single workpiece and processed in one piece, after which the cover is swallowed from the connecting rod by special technology.

The result is the most accurate fit of the covers to its connecting rod. At the same time, the installation of the cover to another connecting rod is unacceptable. Renault Duster Combined Engine Lubrication System.

Oil crankcase oil is absorbed by the oil pump, passes through the oil filter and is fed under pressure to the engine. The oil pump with an overpressure valve is driven by a roller chain from a crankshaft sprocket.

Under the engine crankshaft K9K 1.5 DCI car Renault Duster is an oil reflective shield that prevents rapid overflow of oil. The engine of the aluminum alloy engine is combined with the front and back covers and are attached to the engine cylinder block.

Oil heat exchanger 6 and oil filter 3 are also embedded in the lubrication system (Fig. 1). An overpressure valve is also enshrined in the oil filter housing, providing the ability to reverse bypass oil. Oil filter is equipped with a replaceable paper filtering element.

Renault Duster Hermetic Engine Cooling System, with an expansion tank, consists of a cooling shirt made in casting and surrounding cylinders in a block, combustion chambers and gas channels in the cylinder head.

Forced cooling fluid circulation provides a centrifugal water pump with a crankshaft drive with auxiliary aggregates drive.

To maintain the normal operating temperature of the coolant in the cooling system of the diesel engine K9K Renault Megane 2 The thermostat is set to overlapping a large circle of the system with an immentable engine and low cooling fluid temperature.

The turbine bearings lubricant is included in the overall engine lubrication system K9K Renault Duster. The turbocharging system is supplemented by the recycling system of exhaust gases.

The amount of exhaust gas supplied to the system is regulated by an electromagnetic valve of the recycling of exhaust gases, the cone-shaped pusher changes the cross section of the bypass with different valve position.

Supply system. In the cylinders of the diesel engine Renault Duster when the piston moves, clean air is absorbed. During the compression stroke, the pressure in the cylinder increases sharply, while the temperature in it becomes higher than the temperature of the ignition of diesel fuel.

If the piston is located in front of the ITT, then the cylinder heated to the temperature + 700-900 ° C is injected with diesel fuel, which is self-propagated, so the ignition candles are not required.

However, when starting the engine K9K 1.5 DCI Renault Megane 2 after a long idle (cold), especially if the air temperature is low, simple compression is often not enough to ignite the combustible mixture.

For this occasion, the combustion candles are installed in the combustion chamber, which are located so that the jet of fuel from the sprayer of the nozzle falls into the hot tip of the candle and flammified.

Incandescent candles are automatically turned on at the time directly preceding the inclusion of the starter. At the same time, the adjustment device is turned on in the instrument combinations, and the incandescent candles begin to heat up to a high temperature.

The main goal of the heating of candles is confident ignition of fuel injected into the cylinder. After heating the candle to the required temperature (it usually takes a few seconds) the signaling device goes out, and the engine k9k car Renault Duster can be allowed.

Typically, the signaling device goes out the faster, the higher the temperature of the engine. Immediately before starting the engine (or most often soon after it), incandescent candles are disconnected.

In most modern engines, they can continue to work up to a few minutes after starting to reduce the level of harmful emissions into the atmosphere when working with a cold engine, as well as to stabilize the combustion process in an even gentleness of the engine.

Then the flow of current on the candle stops. Thus, from the proper operation of the incandescent candles, the launch of a diesel engine and its further work will be directly dependent.

Fuel is supplied with fuel pump high pressure (TNVD) Engine K9K 1.5 DCI car Renault Duster directly from the fuel tank.

In the TNAD, the fuel is compressed before injection, then fed to the engine cylinders in order of their work. At the same time, the fuel pump regulator measles the fuel depending on the position of the gas pedal.

Through the nozzles, diesel fuel at a certain point is injected into the forcamer of the corresponding cylinder. Due to the form of the forkamera (vortex chamber), the incoming air receives a certain twist when compressed, as a result of which the fuel is optimally mixed with air.

Before the fuel goes into the Renault Duster, it passes through the fuel filter, which is cleared of contamination and water. That is why it is important in a timely manner, according to the regulations, replace the filter.

TNVD does not require care. All moving parts of the pump are lubricated with diesel fuel. The pump is activated from the crankshaft pulley with a toothed belt.

Because in the diesel engine K9K 1.5 DCI RENAULT MEGANE 2, a fooling of a combustible mixture occurs, the ignition system is not required, and an electromagnetic valve is installed in the pump.

To stop the diesel engine, the voltage supply to the electromagnetic valve is interrupted and the valve overlaps the fuel channel, due to which the fuel supply stops and the engine stops. When the starter is turned on, the voltage is supplied to the electromagnetic valve and it opens the fuel channel.

Replacing belt timber engine K9K car Renault Duster

At each maintenance Engine K9K Car Renault Duster Check the timing belt tension.

With a weakened belt, his teeth are rapidly weapted and besides it is possible to jump the timing belt K9k Renault Duster on the gear pulleys of the crankshaft and switchgear, which will lead to a violation of the installation of the phases of the gas distribution and a reduction in engine power, and with significant leakage - and to its emergency damage.

Plant The manufacturer recommends checking the belt tension and control it with a special strain gauge tester. In this regard, the effort data in the deflection of the belt branch for a certain amount in technical documentation No missing.

In practice, it is possible to approximately assess the correctness of the tension of the timing belt K9K Renault Duster according to the "Rules of thumb": adjust to the branch of the belt with a thumb and determine the deflection using the ruler.

According to this universal rule, if the distance between the centers of the pulleys is from 180 to 280 mm, the deflection must be about 6 mm. There is another way to pre-check the tension of the timing belt Renault Megane 2 - by twisting its leading branch along the axis.

If the hands are able to twist the branch more than 90 °, the belt stretches weakly. These methods can be distributed only to excessive belt attenuation, so for accurate check and adjust the tension, refer to the service.

On the car installed roller tension of the timing belt of the Renault Duster with automatic adjustment.

Motor motor drive belt K9K 1.5 DCI Renault Duster shall be replaced if you find it: you will find:

- traces of oil on any belt surface;

- traces of wear of the toothed surface, cracks, cutting, folds and detachment of tissue from rubber;

- cracks, folds, recesses or bulges on the outer surface of the belt;

- Splitting or bundle on the end surfaces of the belt.

Timing belt Renault Duster with traces of engine oil on any of its surfaces necessarily replace, as the oil quickly destroys the rubber. The cause of the oil on the belt (usually it is a disruption of the tightness of the seals of the crankshaft or distribution shafts) eliminate immediately.

Work on replacing the timing belt, spend on the observation ditch, the overpass or if possible on the lift.

Operations for replacing the timing belt engine K9K Renault Duster:

Remove the right support engine suspension K9K Renault Duster.

Install the piston of the cylinder to the NMT position of the compression tact.

Remove the bolt mounting the pulley of the auxiliary aggregates and remove the pulley.

Removing the locks, remove the bottom lid of the Renault Duster drive drive belt.

Holding the hexagon key, loosen the tightening nut nut tensioner roller And remove the timing belt.

Install the Renault Duster timing belt in order reverse removal.

When installing the label on the camshaft pulley and the label on the high-pressure fuel pump pulley must match the tags on the belt.

The label on the pulley of the high-pressure fuel pump should coincide with the label on the cylinder block.

Slide the moving tap of the tensioner clockwise by 7-8 mm on the fixed label.

Install the pulley of the drive of the auxiliary units in the reverse order.

Remove the camshaft pulley fixtures and VMT.

Tighten the Renault Duster's crankshaft per bolt pulley drive auxiliary units for six revolutions.

Loosen the tightening roller nut no more than one revolution, holding the roller with a hexagon key.

Align the movable tension roller label with fixed and tighten the roller nut with a torque of 27 nm.

To control the correctness of the installation of the Thame distribution phases, install the piston of the 1st cylinder to the NMT position of the compression tact.

Check out the matching of labels on the camshaft pulleys and high-pressure fuel pump with tanks on the belt, as well as the tagging of the high-pressure fuel pump pulley tagging on the cylinder block. If the labels do not coincide, repeat the setting of the timing belt Renault Duster.

Set all the details in order to remove them.

Installing the piston of the first cylinder of the engine K9K 1.5 DCI RENAULT MEGANE 2 in the NMT position of the compression tact:

Remove the right front wheel.

Remove the liner of the right front wheel.

Remove the four bolts of fastening the front of the front of the subframe to the body and remove the bracket.

Remove the drive belt auxiliary units.

Remove the right support engine suspension Renault Duster.

Remove the bracket mounting bolts of the right support of the suspension of the power unit to the cylinder block and remove the bracket.

Rotating the crankshaft clockwise per bolt for fastening the drive pulley auxiliary units, align a hole in the cylinder block with a hole on the camshaft pulley.

Remove the hole plug to install the NMT position clock. The cork is located on the left of the flywheel Renault Duster in the cylinder block at the level of the 1st cylinder.

To fix the camshaft, insert the retainer into the holes for the camshaft pulley and the cylinder block.

Motor K9K884 was the basis of all diesel configurations of Duster crossovers belonging to generation I. Renault Russia plant produced these machines until 2015. With the transition to generation II, the volume of "diesel" remained equal to 1461 ml, but its parameters improved - power has become equal to 109 hp against 90 "Forces" in the past. The torque also grown. We tried to find out how the schedule of traction efforts looks like after a 70-thousand mileage. Technical characteristics of Renault Duster with diesel engine Known to everyone. But you need to know how they will change with time.

In 2012, the power increased to 105 "forces" using chip tuning. Video shows one example.

Consider specifications diesel engines.

Diesel 90 "Horses"

Under the hood of a diesel duster with a capacity of 90 horsepower

For all diesel engines installed on the first generation crossovers, values \u200b\u200bwere characterized:

Compression ratio - 15.7
Power - 90 hp at 4000 rpm
The greatest torque - 200 N * m at 1750 rpm (see photo)
Environmental norms - Euro 4

Actually, most of the editions in 2011 published one schedule. On it, you can see the same characteristics - 200 N * M and 90 forces (66 kW).

Torque and power, version "90 hp"

Diesel 109 "Horses"

Under the hood at the diesel duster with a capacity of 109 horsepower

When restyling was held, it was possible to improve almost every parameter. What even applies to "ecology":

Compression ratio - 15.2
Power - 109 hp at 4000 rpm
The greatest torque - 240 N * m at 1750 rpm
Environmental norms - Euro 5

Reducing the degree of compression means better unpretentiousness to fuel.

All technical characteristics of the Diesel Renault Duster after restyling improved, and the working volume remained the same - 1.461 liters.

How the torque graph changes with the engine wear on Renault Duster

All Duster Daisiers are appreciated for the fact that the maximum thrust is achieved on low revs. We are talking about numbers less than 2000 rpm, and in this - the main "plus". But over time, that is, with an increase in the testimony of odometer, the maximum point is shifted to the right.

Torque and power, version "90 hp", mileage

According to the schedule you can understand what will be with the engine K9K, if it "runs" about 70 thousand km.

Features that were not with "zero" mileage:

The greatest traction has become equal to 204 N * m. Maybe the stand "lying" (overlays the value). We will assume that the numbers remained the same - 200 N * m.
Rated power decreased to 88 hp But taking into account the "overestimation", which is 2%, the power must be considered equal to 86.4 hp.

What exactly will be observed with the growth of the mileage

On the mileage constituting a third or half of the life cycle, the motor begins to "grow old":

The power is reduced: "in denominations" should be 90, and will be 86-87 "Forces";
You can talk about the loss of "elasticity": the thrust "on the nizakh" is lost, but not in a plot of 2000-2750 rpm;
The maximum torque value does not depend on wear.

Everything related to the "new" diesel engine (2015 GV and later)

Diesel K9K858, which became the basis of restyled dstrus, should be hung just like the motors of the 884th series. Over time, in any case, power will fall. And also gradually will "go to no" and the elasticity of the engine. She, as it was said here, is the main advantage of all Diesels Renault. Just in case, we give their list:

K9K796, K9K830 - 86 hp
K9K884, K9K892 - 90 hp
K9k896 (only for 4 × 2) - 107 hp
K9k856 (only for 4 × 2) - 109 hp
K9k858 (for 4 × 4) - 109 hp
K9k898 (for 4 × 4) - 110 hp

Renault catalog contains much more options - For example, K9K728 or 724, but they are not related to the Duster family. Everything best firm Renault sets into crossovers - Believe me, in reality it is.

The main hero of the last chapter - Motor K9K858