Lubricant of the compressor of the air conditioner Lada Vesta. How to determine that…

Lada Vesta / VAZ VESTA air conditioning since 2015

General safety measures when performing work on the air conditioning system

It is necessary to carry out works in accordance with the requirements of the “Intersectoral Rules for the Protection of Labor by Road Transport” and the instructions for labor protection for locksmiths, acting at the enterprise.

Work with a climatic installation should be carried out only by personnel who have passed the appropriate training.

When performing work, it is allowed to use standardized equipment and tools, the use of which provides the required performance, safety and quality of work.

When carrying out any types of work related to the depressurization of the air conditioning system, to complete the unloading of the refrigerant with the subsequent loading of the system. Work on unloading, loading and detecting refrigerant leaks in accordance with the requirements of operating instructions for service equipment and a detector detector.

Attention:. Loading a refrigerant with an unemployed engine performs through high pressure con-Tour. The mass of refueling into the refrigerant system (R134A or HFO (1234) YF in the optional design) is 390 ~ 20 g. With the incomplete loading of the refrigerant system, the proof is carried out with the engine operating and the air conditioning system on the low pressure circuit with a gas-shaped refrigerant to prevent damage to the refueling equipment or injury, it is strictly forbidden to open valves on the high-pressure circuit (red service hose) when loading a colating operator air conditioning systems. All work with a refrigerant perform with glasses with lateral protection.

When replacing the elements of the air conditioning system, it is not allowed to remove technological plugs from the fittings until each of the elements is prepared for connection. Caution should be observed when removing technological plugs from the fittings of the air conditioning system in order to avoid injuries, since they are filled under pressure with gaseous nitrogen.

Attention:. When replacing any of the main elements of the climatic installation (capacitor, evaporator, etc.D.) it is imperative to replace sealing rings during welding work on a car in the immediate vicinity of the elements of the climatic installation. to fulfill the full unloading of the refrigerant from the system.

The device of the air conditioning system

The air conditioning system consists of the following main elements: compressor, capacitor, evaporator and pipelines. Climate installation control is carried out using the control unit and sensors.

Air conditioning system:

• capacitor;
• pipeline connecting the compressor with the evaporator;
• pipeline connecting the capacitor to the evaporator;
• pipeline connecting the compressor with the evaporator;
• thermoregulating valve;
• evaporator;
• compressor;
• pipeline connecting the compressor with the capacitor;
• pressure meter

Compressor

The compressor creates the pressure necessary for the operation of the climate installation and ensures the circulation of the refrigerant. The compressor is installed on the engine under the generator. Twisting the moment to the compressor shaft is transmitted from the crankshaft with a clinical belt through an electromagnetic coupling.

Capacitor

The capacitor due to heat exchange with the surrounding air cools the gas.shaped refrigerant with high temperature and under high pressure, condenses it into liquid refrigerant. The capacitor is installed on the radiator frame in front of the cooling system radiator.

Evaporator

The evaporator cools and drains the air in the car interior due to heat exchange with refrigerant. The evaporator block is installed in the body of the ventilation, heating and air conditioning unit.

Superior receiver

The receiver receiver is designed to accumulate the refrigerant in a liquid state, the separation of moisture from it and possible mechanical particles. Superior receiver mounted on the condenser. A removable filter-dryer is built into the receiver.

Pipelines

Pipelines connect the elements of the climatic installation among themselves by means of the end connection through the sealing ring with a threaded fixation of this connection.

Thermoregulating valve (TRV)

The heat regulatory valve is designed to regulate the refrigerant from the capacitor to the evaporator, installed before the evaporator.

The air conditioning system is controlled using the controller of the automatic control system of the climate installation (saucer), the temperature sensor of the salon, the pressure sensor, and the ambient temperature sensor.

Controller (Sauku)

The controller of the automatic control system of the climatic installation is located in the car interior on the console panel panels. Sauku controller carries out the control functions of adjusting the air temperature in the cabin, adjusting the distribution of air flow, adjusting the air flow rate. The purpose of the controls of the controller of Sauku is shown in the figure.

Climate system control unit:

• Sauku block;
• Air flows distribution buttons;
• Air temperature adjustment handle in the cabin;
• Air conditioning button;
• Requirium switch button;
• Electric speed adjustment handle

Salon air temperature sensor (DTVS)

A salon air temperature sensor (DTSS) controls the air temperature in the car’s cabin and gives a signal for turning on / off the compressor when the air temperature deviates from the given value.

Pressure sensor (DD)

The pressure sensor is installed on the high.pressure pipeline. The pressure sensor gives a signal for shutdown / turning on the compressor when deviated (increase or decrease) the pressure from the working value.

Checking elements of the air conditioning system

Check the elements of the air conditioning system for the lack of mechanical damage, replace damaged nodes (visual inspection).

Checking the condition of the attachment drive belt

Check the condition of the attachment drive belt. The presence of cracks, decaying and stratification of the belt is not allowed. If inconsistencies are detected, replace the belt (see. Chapter 6 “Mechanical part of the engine”).

Removing the capacitor

Install the car on a two.foot lift, slow down with a parking brake, disconnect the terminal of the wire “mass” from the battery (wrench of the width 10).

Unload the refrigerant from the car conditioning system, in accordance with the requirements of the instructions for equipment.

Remove the front bumper (see. Chapter 19 “Body”).

Unscrew eight bolts 1 fastening of the front beam 3 to the body, remove the beam (shift head 10, cake).

Extract from the holes in diffuser 2 sensor 4 ambient temperature.

Remove the diffuser, disconnecting it from the radiator block.

Unscrew the bolts 4 fastening of pipelines 1 and 3 to the condenser 2, disconnect the pipelines. Install technological plugs on pipelines and in the capacitor holes (interchangeable head 10, extension cord, cake).

Fastening of the capacitor and pipelines:

• compressor pipeline;
• capacitor;
• evaporator pipeline;
• bolt of fastening of the pipeline;
• The capacitor of the upper capacitor;
• The capacitor of the capacitor is lower

Squeeze the upper 5 and lower 6 clamps, remove the capacitor from the engagement with clamps, extract the other side of the capacitor from holders.

Installation

The installation of the capacitor to be carried out in reverse removal.

• Before joining pipelines, add compressor oil to the capacitor in an amount of 15 cm³ (compressor oil PAG K-105 or PS-D1, depending on the configuration);
• Install new sealing rings on pipelines, apply compressor oil to sealing rings.

Note:. The moment of tightening the bolts of fastening the pipelines to the condenser 6 8 N m (interchangeable head 8, a cake and extension cord, a dynamometric key) to vacuum the air conditioning system and load the system with a refrigerant according to the requirements of the instructions for service equipment (refrigerant R134A or HFO (1234) YF. depending on the configuration, the load rate is 390 ± 20 g).

Check the operation of the air conditioning system.

Removing the evaporator block

Install the car on a two.foot lift, slow down with a parking brake and disconnect the terminal of the wire “mass” from the battery (wrench of the wower 10).

Unload the refrigerant from the car conditioning system in accordance with the requirements of the instructions for equipment.

Drain the coolant (see. Chapter 7 “Cooling System”).

Remove the unit of the ventilation system, heating and air conditioning (see. the corresponding section is higher in this chapter).

Unscrew the screws of the mounting of the right and left parts of the body of the ventilation, heating and air conditioning unit, squeeze the latches and disconnect the cases (interchangeable Torx 20 head, cake, screwdriver flat).

Remove the evaporator 1 from the building 2 of the ventilation, heating and air conditioning unit.

Check the elements of the evaporator for the presence of mechanical damage to the tubes, plates and threaded joints. Replace damaged parts or evaporator block (visual inspection).

Installation of the evaporator block

The installation of the evaporator block is carried out in the sequence, reverse removal.

• Before installing the evaporator, add compressor oil to the evaporator in an amount of 25 cm³ (compressor oil PAG K-105 or PS-D1, depending on the configuration);
• Install new sealing rings on pipelines, apply compressor oil to sealing rings.

The moment of tightening the bolt of the mounting of the pipeline unit to the evaporator 6 8 N m (interchangeable head 8, cake and extension cord, dynamometric key).

Carry out the air conditioning system and load the system with a refrigerant according to the requirements of the instructions for service for service equipment (refrigerant R134A or HFO (1234) YF, depending on the configuration, the load rate of 390 ± 20 g).

Check the operation of the air conditioning system.

Removing the compressor

Install the car on a two.foot lift, slow down with a parking brake and disconnect the terminal of the wire “mass” from the battery (wrench of the wower 10).

Unload the refrigerant from the car conditioning system in accordance with the requirements of the instructions for equipment.

Unscrew the bolts of fastening the front right wheel, raise the car to a height convenient for work, remove the wheel (interchangeable head 17, cake).

Unscrew ten screws 2 mounts of the shield 3 front wing, extract four pistons 1, remove the shield (interchangeable Torx T20 head, switch, flat screwdriver).

Unscrew thirteen bolts 1 mount of the mudguard 2 of the engine, remove the sprayer (interchangeable head 10, cake and extension cord).

Remove the plug of the tension roller 1 to loosen the nut 3 mounts and the tension roller to the top position (interchangeable head 13, Torx T55, cake).

Autonomous assembly belt:

Unscrew the bolts 3 fastening of the high.1 and low 2 pressure pipelines to compressor 4, disconnect the pipelines from the compressor. Install technological plugs on pipelines and in the compressor holes (interchangeable head 8, cake).

Disconnecting pipelines from the compressor:

• high.pressure compressor pipeline;
• Low pressure compressor pipeline;
• bolt of fastening of the pipeline;
• compressor

Disconnect the block 2 harnesses of wires from the electromagnetic coupling compressor 1.

Unscrew the bolts 3 compressor mounts, remove the compressor (interchangeable head 10, cake).

Compressor installation

The installation of the compressor is carried out in the sequence, reverse removal.

Note: The moment of tightening the bolt of the mounting of the pipeline unit to the evaporator 6 8 N m (interchangeable head 8, cake and extension cord, dynamometric key).

Install the drive belt of the hinged units on the compressor pulley.

Tender the drive belt of hinged units, for this:

• Transfer the tension roller to the lower position in the direction clockwise and tighten the nut of the stretch roller mount. The moment of tightening the nut 30 36 N m (interchangeable head 13, Torx T55, cake, dynamometric key).

Common causes of air conditioning breakdowns

The main part of the load during the operation of the cooling system goes to the compressor. Therefore, it is he who is most often out of order. Its timely repair and preventive actions will save you from the need to save money for a new part. If the compressor-focus does not turn on, then there can be two reasons for this breakdown. The air conditioning can work with interruptions either due to the compressor breakdown, or due to the malfunction of the coupling. In this case, it is possible to fix the compressor air conditioner yourself.

• To extend the compressor service life will help washing its insides. It is better to use carbon tetrachloride or Freons R-113, R-11. We remove excess refrigerant, carry out the procedure until the liquid becomes transparent. A mixture of liquid and oil in a ratio of 50:50, pour into the compressor for the air conditioner. Enter in working condition for 20 minutes.
• Refill the air conditioner. Due to the active absorption of air particles, which can lead to the loss of its important properties, the interaction time is minimized. After refueling for preventive purposes, blow the compressor using a refrigerant or nitrogen and close its nozzles.

How to choose an air conditioner compressor bearing

The compressor of the air conditioner compressor is non-powerful, so picking it up by a Vin-number, brand and model of the car will not work. The original compressor number will not work. The only way is the selection by size, t.e. It is necessary to measure 3 parameters of the bearing:

For example, size 32-52-20 means that its inner diameter is 32 mm, the external 52 mm, and the thickness of 20 mm.

Often there is a long number on the pollen of the bearing, you can also read the dimensions in it (see. photo), but not always. It happens that the dusty number does not contain information about the size of the bearing.

What to do if the bearing is broken, fell apart or lost?

If it is impossible to take measurements by the bearing itself, then this is not a problem. Dimensions can be removed from the coupling and compressor neck:

• The external diameter of the compressor neck is fully consistent with the inner diameter of the bearing.
• The inner diameter of the coupling corresponds to the outer diameter of the bearing.
• The thickness of the bearing can also be measured in the wake of the seat in the coupling, but often the external clip remains in the coupling, if it is removed, you can accurately measure the thickness and external diameter.

Change the bearing in the clutch

Before removing the bearing itself, you need a new one to replace. The bearing is selected in size, in total 3 sizes are removed: the external diameter, the inner diameter and its thickness. You can choose a bearing on our site in the section Pip bearings. The size of the bearing is written on an anthers from the end, but it is difficult to read these dimensions before removal, and by the time of removal it should be bought. To select a new bearing you can also call us and we will try to tell its size.

We extinguish the old bearing

There are several ways to press the bearing. There are a specialized press in car services, which has good effort and easily squeezes out the old bearing and presses a new. In garage conditions, in the absence of a special press, it is quite possible to do with a puller or even a regular bolt. How to do this, we show

Pressure a new bearing

In order not to make an effort on a new bearing and not damage it, it must be pressed with a special clip. Instead of a clip, you can use the old bearing. The process of pressing is similar to the extinguishing, only in the reverse order. Before installing a new bearing, you need to lubricate it a little.

Dismantling

I started preparing the car for work, putting it on a two.foot lift and pulling the handbrake. Next, you will need to remove the terminal “.” from the battery, unscrewing it with a 10.key key.

Then drain the refrigerant from the air conditioning complex.

Remove the front right wheel, and then raise Vesta to such a height that it is convenient to work.

Next, you need to twist 10 bolts (in rice. 5-4), fixing the shield wing, remove 4 clips, then remove the shield itself. Tools for performing work. a cake, a flat screwdriver and a TRX T20 Bit.

Twist 13 screws (in rice. 5-5), with which the engine protection is attached to the body, and then dismantle the shield. It will take. a cart, a head of 10, an extension cord.

Dismantle the stream roller plug (in rice. 5-6), then loosen the tightening of the nut of the fixation and transfer the specified roller to the extreme position using a rattle, the head on 13 and the Torx T55 batter.

Next, to remove the air conditioner compressor on Lada Vesta, you need to unscrew the bolts (in rice. 5-7), which are fixed by pipelines of low and high pressure, which go directly to the compressor. and when they are twisted, disconnect the pipelines. In the compressor holes, as well as in the pipelines themselves, it is necessary to insert special plugs. To carry out work at this stage, you will need a cake and a head for 8.

Lastly, you need to turn off the plug (in rice. 5-8) wiring harness from the compressor electromagnetic coupling Then unscrew the bolts. with which the compressor itself is attached, and remove it. a ratchet and a head of 10.

Mounting

The process of independent installation of the air conditioning compressor on Lada Vesta is similar to removal, only in the reverse order. However, during the work, it is required to take into account a number of points.

Before putting pipelines, it is necessary to install new sealing rings on them, on the surface of which to apply compressor oil.

The bolts fixing the pipeline unit to the evaporator should be tightened with a moment of 6-8 nm, which means that 8, extension cord and the cake, can not do without a moment key, head.

The generator belt must be placed on the compressor pulley.

Carry out the work of the generator belt. To do this, it is necessary to transfer the video (stretch) to the extreme lower position, turning it to the right (clockwise), and then tighten the nut, which fixes it. It is necessary to tighten it with an effort of 30-36 nm. This requires a moment key, a 13.head and a Torx T55 bat and a bat.

At the last stage, it is necessary to vacuum the air conditioning complex, and then load the refrigerant (1234) YF or R134A into the system, which depends on the configuration). The volume of loaded refrigerant. 390 gr. (oscillations are allowed in the range of 20 g.).

At the end, you need to inspect the functioning of the entire system.

On this, the process of removing and installing the compressor on Lada Vesta with your own hands is completed.

Replacement of the compressor-focus of the compressor

Very often, such an important part as a compressor compressor seal of the compressor. Being on the opposite side of the shaft, during operation it suffers from overheating. To replace it, we remove the compressor and drain the refrigerant. We get it from the coupling, two paws from the pulley and magnet with a pulp. We remove excess oil and dirt.

We extract a locking ring of an omentum. We put the device for seizure of the shaft on the shaft of the compressor and touch the toe with the movement of the tok. The rotation of the handle is done clockwise, remove the oil seal using an auxiliary device. We replace, return the part to the same place.

How to replace the air conditioner compressor bearing on Priora at home

• Using the key to “8” and Torx, unscrew the fasteners of mudguards and anthers, then remove them.
• Using the head on “8”, it is necessary to unscrew the bolt of fastening the coupling, after which we carefully remove the upper lid of the coupling. Be careful not to lose the puck.
• Remove the locking ring that fixes the pulley of the couplings on the compressor shaft, then remove the whole farm and knock out the bearing from the landing nest. If your bearing is fixed, that is, planted, and then fixing notches are applied around the circumference, then it will be more difficult to get the bearing. It is best if the pressing and extinguishing is carried out using the press, without it you can ruin everything.
• We take a new prepared bearing and press it in place, if you do not have a press or adaptations for this, you can go for the next hundred, they will help you without any problems.

That’s actually all the torment, it remains to collect everything in the reverse order, put on a belt and check whether a whistle disappeared. I have everything on this, the work is done, I hope you are satisfied with the result!? So far, so far and until new meetings for the VAZ repair.

Replacement of the bearing

The order of work depends on the layout of the engine compartment, the accessibility of the compressor pulley. The replacement is performed in the following order:

• Freon pumping out of the system, removal of the compressor;
• removing the pulley from the compressor with a puller;
• The extinguishing of the old bearing from the pulley (the extension force may exceed 3 tons), the installation of a new one with the help of the press;
• installation of pulley and compressor;
• checking the system for tightness and refueling freon.

Radiator repair

Interruptions in air conditioning may be due to the fact that various garbage filled the insides of the radiator. This may result in more serious problems of car operation. We solve the problem simply. we clean and my radiator. Before work on external cleansing, remove it. If this action cannot be done, we work extremely collected and accurately.

A good cleaning option is compression purge of compressed air. The replacement of this procedure will be a good pressure of water with the addition of various chemicals. If the cooling liquid contains contaminating elements, we carry out the full washing of the radiator. Pour the cleaning product into the car, bring the engine to work for 15-20 minutes. Drain the water, and rinse the cooling system for three times with distilled water.

• In the prevention of the radiator, it should be thoroughly examined for the presence of cracks and other damage. There are several simple and emergency methods for getting rid of this problem. For example: adding a raw egg or mustard powder inside. Employees of auto-chemical enterprises propose to use such means as, powders-meters or special solutions to return to the life of the radiator.
• A good means of repairing the radiator in the presence of the necessary parts is “cold welding”. The necessary set of the welder: cold welding, sandpaper, acetone or clean gasoline. Clean the surface with paper and create artificial irregularities. Next, we treat the place with gasoline or acetone. We carefully read the instructions for the use of cold cooking. At its end, we are waiting for a certain amount of time, depending on some factors. The sealed joint is ready.

Some types of damage to the compressor air conditioner were presented above. And the methods of their repair performed by yourself. In time, the implemented prevention of the compressor’s work will extend the service life and deprive you of the loss of time and money.

There are a number of simple rules that will help when using the air conditioning system:

• If the air conditioner is turned on, then it is necessary that all the windows in the car remain closed.
• Always before starting the operation of the compressor-confectioner, ventilate the interior. Stale air passing through the air conditioning leads to an incorrect effect.
• In order to avoid fogging glasses during operation of the air conditioner, do not forget to turn on the stove.
• Conduct a daily assessment of the condition of the window at the receiver-dryer.
• Get rid of dust as it accumulates, do not tighten the cleaning and cleaning of the car.

Allocate time for inspection and repair of the car, and do not be afraid to carry out repair of parts with your own hands.

Search for air conditioning malfunctions

• It happens that a completely working conditioner is “recorded” in faulty. For example, when the ambient temperature is less than 3 ° C should not wait from the air conditioner, after reaching the minimum acceptable temperature threshold, the air conditioner stops cooling.

• Check the pressure in the system, if for some reason it fell below the mark of 2 bar, the air conditioner can work, but the air will be warm or at least not cool enough.

• I jammed the coupling. Sometimes the cause of the malfunction lies in the failed coupling if it blocks the air conditioner. If the compressor itself is wedges, then the coupling will rotate freely, however, characteristic clicks will be heard.

• If the “confectionery” works, but blows warm, then the reason may consist in a low level of freon, the leak of which could occur through leaks in the connections or through the holes formed as a result of mechanical influences. In this case, a special liquid is poured into the system, which shines when the UV rays enters it. The leak is detected, eliminated, after which the system is seasoned with freon.

If the search for malfunctions of the air conditioner did not give results, I advise you to contact specialists, if the necessary special equipment they have the necessary, they will easily find the reason and quickly eliminate it. I have everything, until new meetings for the VAZ repair.

Generator repair

The following is the procedure for repairing sliding inserts, electricity generation devices. Replacing the bearing of the Lada Vesta generator will require the presence of the tools specified at the beginning of the article. The repair procedure directly looks completely different.

• Install the machine on a flat surface and securely fix it.
• Disconnect power from the battery.
• Loosen the tension roller of the crankshaft belt and additional equipment.
• Unscrew the power veins of the generator device with a cross blade and take them from the repair zone.
• The generator is removed using the key to 13 and screwdrivers. To do this, you need to find and unscrew two bolts on the bracket of mounting the device to the engine block.
• Next, you can carefully remove the device itself from the machine for subsequent repair.
• After dismantling, two screw screws are removed with a screwdriver and the latter is removed.
• A diode bridge and regulator are located under the cladding. The details are fixed on a special panel, which is pulled off the shaft with the bearing.

• Drive a car on a viewing hole, lift.
• Remove the terminals from the battery.
• Go under the car and disconnect all the structural elements, including the protection of the crankcase, sensors, sensors and traction that can prevent the gearbox to prevent the gearbox.
• Further, with the key 3, 12 bolts are unscrewed, holding the gearbox body on the engine block.
• Next, remove the checkpoint module from the engine compartment and move to the table.
• The next stage of dismantling of a squeezing device. The element itself is located on the primary shaft and is an unusual bearing.

Important! Replacing the squeezed bearing is a complex procedure. Therefore, the operation must perform security professionals with the availability of the necessary tool.

The machine itself is a modern technique. The number with a minimum set of wrench and hammer will not pass here. If the required tools are not available. for maintenance and repair of complex nodes you should not even take.

Similarly requires a major approach and replacement of the air conditioner Lada Vesta. Due to the use of specific cooler in the device, it is recommended to entrust the operation to professionals.

On Lada Vesta, the replacement of the bearings is performed similarly, as in other cars. There are no fundamental differences. All the same for access to a sliding insert, you will need to disassemble the served mechanism and using special squeezes, instructions to dismantle the knot. In principle, such a procedure can be performed independently, but in the absence of experience and the required tool. the procedure should be entrusted to professionals. Kopeykaya savings in paying for work may result in serious costs for replacing spoiled details.

Removing and installing pipelines of the air conditioning system

Pipelines connect all the elements of the air conditioning system into a single sealed circuit. Pipelines and flanges of their fastening are made of aluminum alloys.

To reduce vibration, pipelines are attached to the body with rubberized holders.

Protect metal sections of pipelines from dents and excesses. Any narrowing of the passing section of the pipeline leads to a decrease in the performance of the system.

To connect the mutually possible elements of the air conditioner, pipelines in some areas are equipped with flexible inserts (rice. above) from synthetic materials.

In the places of connection of pipelines, coil rings of a round section made of polymeric materials were installed. During the repair of the air conditioner, when the pipelines are separated, the sealing rings are subject to mandatory replacement. Treat the threaded joints of the pipelines with the recommended moment.

A weak or excessively strong tightening leads to deformation of compaction surfaces and a refrigerant leak.

Schematichy located air conditioning pipelines on a car. Position names and catalog numbers of parts cm. here

Dismantling the unit from pipelines or hoses of the compressor is carried out after a complete unloading of the refrigerant.

Fixation of pipelines and hoses with any of the elements of the climatic system is carried out by a threaded connection. To disconnect the pipeline or hose, unscrew the bolt (nut) of fixing the connection, disconnect the parts, install technological plugs on the open parts of the highway.

To ensure free access to the connection, dismantle parts that prevent free access.

Remove the mudguard (protection) of the engine, cm. Figure 5-5.

Figure 5-5

Disconnect the high.pressure pipeline from the capacitor (head “by 8”, UDL.).

Disconnect the low.pressure pipeline from the suction hose of the compressor (head “by 8”, UDL.).

Unscrew the bolt of fastening of the clamping plank of pipelines to the evaporator (head “by 8”, frace.).

Disconnect the points of fastening of the pipeline unit to the body, remove the pipeline unit (head “by 10”, fra.).

Remove the mudguard (protection) of the engine, cm. Figure 5-5.

Disconnect the hose absorbing from the compressor (head “by 8”, UDL.).

Disconnect the hose that sucks from the low.pressure pipeline, remove the hose (head “by 8”, UDL.).

Remove the mudguard (protection) of the engine, cm. Figure 5-5.

Disconnect the hose that exacerbates from the compressor (head “by 8”, UDL.).

Disconnect the hose that escapes from the capacitor, remove the hose (head “by 8”, frace.).

Installation of the unit of pipelines and hoses in the sequence, reverse removal.

-before installation, add compressor oil to the evaporator or compressor in an amount of 20 cm 3 (compressor oil PAG K-105 or PS-D1, depending on the configuration);

Carry out the air conditioning system and load the system with a refrigerant according to the requirements of the instructions for service for service equipment (refrigerant R134A or HFO (1234) YF, depending on the configuration, the load rate of 390 ± 20 g).

Check the operation of the air conditioning system.

Replacing the pipe of condensate drain (evaporator hose)

The evaporator hose removes condensate from the air conditioning system and, through the hole in the bottom, removes it out. (Type and location of the tube outside, under the bottom see. here)

To replace the tube, unscrew one screw (TORX T20) of the plastic lining mount under the dashboard on the left side of the front passenger.

Overcoming the effort of three latches, remove the pad

Three arrows shown the location of the fixers

Free access to the tube (hose) of the condensate drain, which is dressed on the evaporator pipe will open.

Removing and installation of air conditioning condenser

The condenser (condenser, air conditioning radiator) is located in front of the radiator of the engine cooling system (view of the photo below with the front bumper removed). The condenser using brackets is attached to the tanks of the radiator of the cooling system. The honeycombs of the condenser are made of flat thin.walled aluminum tubes with internal longitudinal partitions for stiffness and outdoor nutrition to improve heat exchange. Aluminum tanks, with flanges for connecting pipelines. In height, the tanks are divided into sections, therefore, passing through the condenser, the refrigerant stream changes direction several times. The condenser condenses vapors compressed by the compressor of the refrigerant and the removal of the heat released in the surrounding air.

At least once a year, it is better before the start of summer operation, rinse the condenser honeycomb nutrition from adhering dirt, dust and anti.icing reagents. This will improve heat transfer, reduce the pressure in the system and increase the service life of the system elements.

Do not use detergents with a stream of water under high pressure for carfighting of the condenser. This can lead to damage to thin.walled conical plates.

Even with regular washing, the need to replace the condenser arises much more often than I would like. The fact is that he is the first to assume the stream of anti.icing reagents, dirt and pebbles from the road. And the walls of the tubes are thin. In most cases, the condenser is damaged by corrosion for the third or fourth year of operation.

If the condenser tightness is disturbed as a result of corrosion, then repairing it is more expensive. Even if the master of Argon welding manages to patch a hole, then the flow of leaks in another place is soon possible. By the way, the pressure in the system on hot days can reach up to 25-28 bar.

In addition, the complex structure of the condenser tube should be taken into account: along it is divided by partitions into channels, so it is likely that after welding, part of the channels will be blocked. Accordingly, the dispersed power will fall and the operation of the air conditioner will deteriorate, especially in traffic jams and in hot weather.

After each experiment with the condenser pile, it will be necessary to pay for the removal-installation, welding of the condenser and refueling the system with a refrigerant. So it is better to immediately install a new condenser. Instead of an expensive original, it is quite possible to buy a cheaper condenser from authorized manufacturers of spare parts.

Install the car on the lift, or observation pit, brake the parking brake, disconnect the terminal “.” from the battery.

Unload the refrigerant from the air conditioning system (see. here).

Unscrew eight bolts 1, Figure 5-1, fasteners of the front beam 3 to the body, remove the beam (head “by 10”).

Environmental temperature sensor

Disconnect the air intake pipe from the deflector.

Disconnect the sensor of the outer temperature.

and extract from the holes in diffuser 2 sensor 4 ambient temperature.

Squeeze the holder and disconnect from the radiator the right upper deflector bracket (diffuser).

Similarly, disconnect the right lower bracket of the deflector (diffuser).

Remove the diffuser (deflector), disconnecting it from the radiator unit.

Unscrew the bolts 4, Figure 5-2, fasteners of pipelines 1 and 3 to the capacitor 2, disconnect the pipelines. Install the technological plugs on pipelines and in the capacitor holes (head “by 10”, fis.).

Squeeze the upper 5 and lower 6 clamps, remove the capacitor from the engagement with clamps, extract the other side of the capacitor from holders.

Figure 5-2-fastening of the capacitor and pipelines:

The installation of the capacitor to be carried out in reverse removal.

-before joining pipelines, add compressor oil to the capacitor in the amount of 15 cm 3 (compressor oil PAG K-105 or PS-D1, depending on the configuration);

The moment of tightening the bolts of fastening pipelines to the condenser 6. 8 n.m (0.6. 0.8 kgf.m) (head “on 8”, a cake and the UDL.).

Carry out the air conditioning system and load the system with a refrigerant according to the requirements of the instructions for service for service equipment (refrigerant R134A or HFO (1234) YF, depending on the configuration, the load rate of 390 ± 20 g).