We change the oil in the Haldex clutch on a Volkswagen Tiguan with our own hands. Increasingly, we are approached by Volkswagen owners with questions about the need to change the oil in the 5th generation Haldex permanent all-wheel drive clutch oil change

More and more modern vehicles supplied with special couplings all-wheel drive, which have the name Haldex. They help to properly distribute torque to the wheels. Such a clutch is equipped with an electric drive control, and is structurally located in the crankcase main gear(reverse).

The Haldex clutch helps to optimize the pressure thanks to the hydraulic system - it is very comfortable to operate even in difficult conditions. Constantly working reverse gear- another feature of this type of construction. She dominates braking system as well as over ABS systems and ESP.

The clutch is one of the most important structural elements of the automotive system, the absence of which affects not only the quality of the ride, but also calls into question its very possibility. Replacement oil liquid in various structural elements - a prerequisite for the correct maintenance of the vehicle.

The lubrication of the coupling is very important for its proper functioning. It helps lubricate parts that rub against each other, reducing wear. The lubricant inside the system should be changed every 60 thousand kilometers, however, if the car is operated in difficult conditions and, moreover, very intensively, it is necessary to make the replacement earlier. Changing the oil in the Haldex system on the Tiguan can be done on your own, subject to the basic rules.

The mechanical part of the Haldex unit consists of the following important components:

• Input and output shaft;
• Friction discs;
• Working piston;
• Axial piston pump;
• Disc cam;
• Drive head.

When the car slips with one wheel, a difference between the driven and drive shafts is formed in the structure, as a result of which a cam washer element begins to flow onto the piston. During the reciprocating operation, in which the piston is involved, the lubricant pressure rises, as a result of which the shafts are compressed and engaged.

The clutch itself has an electric drive control, which consists of sensors, electronic unit and special executive devices. The oil lubrication temperature sensor is input.

The control unit can convert the action on the actuator into information that is subsequently used by the electrical unit. Actuators are a special valve that regulates the compression of the discs, and the accumulator, together with the pump, maintain the required oil pressure.

Advantages

The system will work properly only with proper maintenance and timely replacement lubricants. Observing these conditions, you can extend its operational life for a long time. First of all, it is necessary to regularly monitor the level lubricating fluid... It is also necessary to carefully monitor leaks, and replace the grease only with the filter.

If we talk about the advantages of this type of unit, then they are as follows:

• The advantage of the front-wheel drive is retained;
• Absence of excessively high voltage in the transmission during maneuvers;
• Lack of sensitivity with different tires;
• The constant feeling of four-wheel drive;
• Possibility of electronic control of the system.

Changing the Haldex coupling grease: features and stages of work

Before changing the lubricant, prepare the right tools, new oil G055175A2 and replacement filter. The amount of lubricant for the coupling will need a small amount - about 650 milliliters.

It is necessary to ensure that the purchased materials are of high quality, so you should not buy oil in questionable places and at a too low price. To change the fluid you will need:

1. A container for draining the used oil composition - old oil will be drained into it;
2. A set of required keys;
3. Rags;
4. Protective gloves and goggles;
5. Pliers;
6. Lighting device;
7. Syringe with tubing for gently pouring new fluid into the hole.

Changing the oil in the Haldex coupling on the Tiguan is carried out without any particular difficulties, therefore, such a procedure is within the power of every person, even those who do not have special skills.

An important point: when changing the oil, you need to carefully monitor so that the plugs of the clutch and the rear axle are not confused - such a mistake can greatly harm the car.

1. The first step is to drain the waste fluid. To do this, substitute a previously prepared container under the drain hole by unscrewing its plug;
2. After making sure that the remainder of the spent liquid is completely removed, it is necessary to unscrew the upper plug, after which the lower one can be returned to its place;
3. Next, you need to draw new grease into the syringe and pour oil through the filler hole until it overflows.
4. The final stage - you need to wipe the stained elements and screw the hole with a stopper. After that, you can carry out a test drive.

Conclusion

Changing the oil in the clutch is a useful and quite simple exercise. It helps to improve performance characteristics both the clutch and the entire vehicle as a whole. The clutch helps to improve car characteristics only in case of timely replacement of lubricating fluids. Regular change and control of the oil lubrication level in the Haldex coupling will save you from unpleasant surprises and will help it to serve for a long time.

Administrator

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1. Regulations for replacement for VW Tiguan:
1.1 For models up to 2009 - every 60,000 km., With severe operation (with a significant load on the clutch) - every 40,000 km;
1.2 For models from 2010 - once every 3 years or every 60,000/40,000 km, i.e. which comes first.

2. Required expendable materials:
2.1 Oil in the coupling (720 ml is needed for replacement):
- or original ( a new version oil), art .: G060175A2 - 1 pc. (0.85l.);
- or original (previous version of oil), ref .: G055175A2 - 1 pc. (1l.);
- or Volvo'vskoe, art .: 31325136 - 1 pc. (1 l.). !!! They say that this is the same oil as the original (previous version), ref .: G055175A2.
2.2 Filter:
- or VOLVO'vsky, art. 31325173 - 1pc .;
- or FORD'vsky, art .: 1673828 / 9V4N-4A319-AA / 9V4N4A319AA - 1 pc .;
- or LAND ROVER'sky, art .: LR032298 - 1pc.

The original filter kit for the Tiguan can be bought at http://www.neuspeed.com/haldex111358...ement-kit.html !!! (Although there is no need for this, since from the Volvo kit (art. 31325173) we use only a filter for replacement, and as a zip: a cover, two bolts, and an O-ring). !!!

2.3 Fill and drain bolts:
- Filler bolt, included with washer, art. N90281802 - 1 pc.
- Drain bolt, included with washer, art. N91082701 - 1 pc.
Change the bolts depending on their condition (i.e. at the first replacement - it is not necessary to change them).

2.4 Tightening torque for bolts:
- Drain bolt - 30 Nm;
- Filler bolt - 15 Nm;
- Filter cover and motor mount - 6 Nm.

3. Instruction:

From Elsa: On vehicles with a Haldex clutch, due to the fact that the clutch is located in the same housing with the final drive, drain plugs and plugs for both systems are often confused with each other. As a result of these errors, which can be avoided during maintenance and repair, the clutch or final drive can fail.

1 - screw plug of the Haldex coupling filling hole.
2 - drain plug Haldex couplings.
3 - screw plug of the filling hole of the main gear.
4 - drain plug of the main gear.

To clean the mesh, it is not recommended to disassemble the pump itself, it is advised to clean it (mesh) directly on it, by blowing and / or with an alcohol-based brake cleaner. And if you decide to disassemble, then do everything very carefully, because there are springs and a bearing. Be sure to record or photograph how everything was, so that when reassembly do not get confused.

When you pulled out the pump, you will see a mesh on an iron round plate with a slot under the mesh, unscrew only two bolts that hold the mesh, and in no case unscrew the third bolt. Behind the metal plate there is a hydraulic pump mechanism, which consists of a certain number of small parts, and as practice shows, these parts will just get lost or roll up somewhere. two, (0AY 598 305 - Set of seals for the booster pump), the pump does not need to be disconnected from the power connector.

Sequence of work:

1. Thoroughly clean from dirt all joints of the motor and filter (so that dirt does not get inside). For example, use an alcohol-based brake cleaner.

2. Remove the filter:
2.1 unscrew the bolts securing the filter cover, remove the cover;
2.2 in order for the filter to slide out of the bore, you must:
· or using a diagnostic cord: connect "Vasya diagnostician", Run block 22 "All-wheel drive system" next 03 "Test of executive mechanisms". We press to run. Tests are performed sequentially. We reach the test "Booster motor on" and press "start".
· or having disconnected the "chip" of the pump in the place of its connection to the clutch control unit, supply it with 12V from a conventional battery.

Be careful with the pump chip, many of them, out of not knowing how to remove it, break the chip retainer. To properly disconnect the connector, you can practice on the chip from the antifreeze tank - they are the same (we press the chip, trying to stick it deeper, at this moment we press on the heel of the retainer (I pressed it with a small awl), it will be released, and only then we pull the chip off). Next, we release the wire from the holders 3 pieces. The most dreary one turned out to be removed from the top of the clutch, it is not visible, therefore to the touch. We take out the wire.

For the correct power supply, you need to apply PLUS + to the "chip" contact located on the rectangular side of the "chip", and MINUS - to the contact located on the semicircular side of the "chip". If you confuse the polarity, then it's not scary, just the pump will start pumping in the other direction.

· or start the engine and let it run for a while until the filter is pressed out.

2.3 After performing any action specified in clause 2.2, the filter with the plug should move out about 5-7mm (the first O-ring will appear), and 100 grams of oil will pour out (therefore, prepare a napkin or rag in advance). Next, very carefully swing the plug with the filter by the pin, it (the filter) very quickly squeeze out to the second O-ring, and then completely remove the filter with the plug.
!!! There were cases when, when "picking out" the filter from the clutch with improvised means (an awl, a sharp slotted screwdriver, etc.), they pierced it through and through, and when installed, oil began to leak through it. Since you can buy the original filter kit only on ebay.com, as a temporary solution (or maybe permanent), we do this: saw off the damaged part from the original plug and glue a thin plug from the Volvo kit in its place. It turns out a pretty reliable design. !!!

!!! Must remember- which side was the filter !!! since it has a check valve.

It is also believed that the oil pressure relief valves in the filter plug (# 3 in the illustration below on the left) should be perpendicular to the ground. !!!

This must be taken into account when reinstalling the filter.

2.4 Unscrew the drain plug and the oil begins to drain through the drain hole (you can turn the wheels to speed up the process).

2.5 After unscrewing the two hexagon screws, remove the pump in order to clean the mesh on it. With an effort we take out the pump. It also (like the filter) has two rubber o-rings. The pump has a mesh, clean it with an alcohol-based brake cleaner and / or blow it with air.

It is highly advisable to flush the coupling. Better cleaner brake discs alcohol-based until a clean rinse flows out of the coupling. The clutch can be washed indiscriminately on site. Under no circumstances should you use OBDs, carburetors, etc. - they corrode the rubber parts of the coupling.

We put a tube on the bottle with the cleaner, put it in the filler hole, and knock out all the trash under pressure with alcohol vapor. It is also possible through the pump seat and through the filter seat.

Through the recess of the place where the filter (coupling housing) sits, flushing is carried out in the following order:

- First, carefully remove dirt (with a napkin or rag) from the recess of the place where the filter sits (coupling housing). !!! It is important that this dirt does not get into the central hole (where the filtered oil is already entering), since if you drive dirt into the central channel, it is possible that the clutch will fail: dirt particles can get into the inlet valves of the second circuit, as well as into the control valve - the solenoid . !!!;

- After flushing, blow through everything with compressed air to evaporate the alcohol. These are three holes: filler, filter location, pump attachment point.

2.6 Reinstall the pump: we lubricate the bore of the pump and 2 of its sealing rubber rings with oil, install the pump in place, tighten the screws and begin to tighten them one by one, if necessary, tap the pump lightly with a wooden mallet. They pushed me a little, pulled me up. It can be difficult to install the pump in place simply by hand (without tapping). We connect the "chip" of the pump to the clutch block.

2.7 Install a new filter couplings into place. To do this, install the filter element from the Volvo kit with the RIGHT side to the sealing plug, lubricate the sealing plug bore and the plug itself with 2 rubber rings with oil. And, without allowing it to skew, carefully install the assembled "structure" into the coupling until the second cut ring disappears, install the filter cover (old or new from the Volvo kit), tighten it to the coupling with screws with a torque of 6 Nm.

2.8 Screw in a new one or old drain bolt with a torque of 30 Nm.

2.9 Fill in new oil through the filler hole. The oil to be poured should be warm - about 30-40 degrees Celsius (if the replacement is carried out in cold weather, then the oil can be put on the battery to warm up in advance). Remember that the filling volume of the coupling is 720 ml, only 600 ml immediately fits. Therefore, pouring oil along the edge of the filler hole, it (hole) must be closed with a filler bolt with a torque of 15 Nm.

Next, you need to connect the "Vasya diagnostician" cord, run the program and run the test of the rear-wheel drive actuators again, but do it to the end, let the motor run a little longer so that it drives the oil through a new filter (somewhere about a minute). After that, add oil to the clutch again - just the remainder of about 120 ml should fit.

Instead of using a lanyard (well, or after using it, if 120 ml was not added), you need to drive a car so that four-wheel drive is connected, i.e. the clutch is working, and then add the rest of the oil, tighten the bolt to a torque of 15 Nm.

PS: infa from the land rover club:

The cover of the clutch block control unit is made of aluminum. After 4 years of operation in Moscow, this cover tends to rot from road reagents. Small holes appear in it, as if someone was poking with a needle. Through these holes, moisture makes its way to printed circuit board As a result, the varnish on the board bursts, the board damp, the tracks rot. Then they burn. In order to avoid corrosion, treat the cover of the control unit in advance with anti-corrosion protection ("Movil", etc.).

For writing of this document all material is taken from the forum http://forum.tiguans.ru/, from the topic "Oil change in the Haldex coupling", then summarized. I express my gratitude to all members of the forum who participated in the collection of information on this topic. This is a huge work and costly business!

Sincerely,

Insaider_777 (Ilya Gurin).

Changing the oil in the clutch is not so difficult. In order to cope with this task, it is not necessary to be an auto mechanic and have on hand special equipment... It is enough just to thoroughly study the theoretical part of the issue and skillfully apply it in practice.

Vehicles on which the Haldex coupling is installed

The clutch, as part of the AWD, regulates the transfer of torque from the front axle to the rear axle. Untimely replacement Oil in Haldex is one of the most common causes of all-wheel drive problems. Timely maintenance of the clutch (oil change, elimination of bearing noise) will keep your car in excellent technical condition.

The Haldex multi-plate clutch is installed on VW vehicles with a transverse engine. But not so long ago, the couplings of the Austrian manufacturer began to be used by other well-known auto concerns, such as GM, BMW, SAAB.

Interesting! Haldex couplings appeared in 1988, and the first serial models were installed on Audi vehicles and Volkswagen.

How often to change the oil

The frequency of oil changes depends on many factors. For example, Volkswagen Tiguan owners are advised to carry out the oil change procedure in the Haldex clutch through every 10-15,000 km of run. But the need for such a procedure must be judged in each individual case.

The frequency of changing the oil in the clutch will be influenced by:

• fuel quality
• mileage
• ecology
• climate (average daily temperature; seasonal features; temperature changes)

All these factors affect the condition of the vehicle in general and oil consumption in particular. But for more confidence, you can test the transparency of the oil. Before taking an oil sample, you must let the machine run for about 10 minutes. The darker the oil, the older it is, which means it's time to fill in new fluid and change the filter.

What you need to change the filter and oil in the Haldex coupling

As mentioned earlier, no special equipment or special knowledge is needed to change the oil in the clutch. Every more or less experienced motorist will cope with this task.

To do this, he will need:

• waste oil drain
• set of wrenches for drain plug and filter cover
• pliers
• gloves with a water-repellent effect (ordinary rubber gloves will do)
• rags
• syringe with tube for one hundred cubic meters

Important!Coupling care does not tolerate savings. Give preference to a high quality oil and filter, the service life of the Haldex coupling depends on it. ForVolkswagenTiguan will fit oil G055175A2.

Having finished with the preparatory work, we proceed to the procedure for "updating" the coupling.

Filter and Oil Change Procedure

Following a simple algorithm of actions, you can easily cope with the task at hand.

Removing the filter and draining the oil

In order for the oil to drain easily, it must be warmed up to a temperature of 300 ° C. For personal safety, it is worth wearing safety glasses.

Before draining the oil, it is necessary to unscrew the bolts holding the filter cover, using pliers, remove the thin gasket and the filter for the Haldex coupling.

Then place a container under the clutch to drain the used oil and remove the clutch plug.

Cleaning the pump mesh

For full maintenance of the coupling, one more procedure is required - clean the pump mesh.

This can be done in five steps:

1. Remove the pump connector
2. Unscrew the fixing bolts
3. Get the pump
4. Remove from it two bolts holding the mesh
5. Clean the mesh from dirt

After that, the mesh is installed back and the pump returns to its "native" place.

Oil filling and filter installation

The quality of the oil will not depend on the Haldex series, whether it is clutch 4 or last generation... You just have to make it a habit to purchase only high-quality raw materials from trusted companies.

So, we proceed to change the oil and a new inventory is used - a stock-tube syringe. After filling it with oil and opening filler plug we begin to fill the coupling with a new, clean liquid.

Do not reuse the old filter by removing it - dispose of it immediately.

Begin installing the new filter by checking the seals. If the rubber rings look worn, they should also be replaced with new ones, otherwise oil will leak through them.

Remember! Before installation, the filter must be lubricated with oil, otherwise it will not sit well in its place.

After a thorough check, replacement of parts, we install the filter cover and fix it with bolts.

Check the tightness of the bolts at each stage of the installation work. Under-tightening the fixing bolts is just as bad as over-tightening them. In both cases, there is a risk of damage to parts. When tightening the bolts, the main thing is to make a reasonable amount of effort - no more, no less.

Checking the oil level

When oil starts to flow out of the hole, it will mean that the coupling is filled to the brim. Foroil change in the Haldex clutch in VW Tiguanit will take about 650 ml of liquid. So with proper use, taking into account the filling of the coupling with oil and the lubrication of the parts, it will take you about a liter of oil.

The procedure for changing the oil in the Haldex coupling is really not as complicated as it might seem at first glance, which means that you can do it too.

Automatic transmission modern cars is a high-tech system with electronic control... The structure of the transmission consists of many parts that work under severe stress. To avoid unexpected breakdowns and maintain a long service life, it is necessary to regularly carry out Maintenance and use a lubricant approved by the manufacturer.

A bit of theory: 4-Motion system

In the Volkswagen Tiguan crossover, the torque from the engine is transmitted to the automatic gearbox. Further, transfer case provides rotation of the front and rear axles. The movement is transmitted to the front wheels through the front axle differential. Simultaneously through cardan shaft The torque is fed to the Haldex all-wheel drive clutch, which drives the final drive and rear axle differential. Depending on the operating mode and driving conditions, the automation distributes the torque force along the axes, ensuring maximum efficiency.

Volkswagen Tiguan is equipped with a hydromechanical 6-speed automatic transmission with planetary gear, which is characterized by simplicity of the device, compactness and low weight. The automatic transmission is equipped with an adjustable torque converter lock-up clutch, as well as electro-hydraulic gearshift drives. The box is equipped with an oil cooler to cool the lubricant while driving.

The rotation of the wheels of the rear axle is provided by a Haldex clutch located in the housing of the rear final drive. Oil pressure on the piston compresses the friction discs, and the clutch transmits torque up to 2400 N * m. An electric pump of an axial piston type, which is controlled by an electronic controller, is responsible for pumping oil. The working pressure in the hydraulic system of the Haldex coupling is about 29 atmospheres. The system is equipped with a maintenance-free oil filter with a non-return valve.

Note! If the Haldex clutch pump fails, the oil pressure in the system disappears and the transmission of torque to the rear wheels stops.

Transmission fluids for Volkswagen Tiguan

For automatic box AISIN gear 09M is recommended by the manufacturer to use working fluid ATF ( AutomaticTransmission Fluid) standard G 055 025. The grease has a high fluidity and a characteristic red color.

Those who like to save on analogs should remember that, unlike standard gear oils 70W-80, 80W-90 in automatic transmissions, the lubricating fluid must remain fluid at any temperature up to 120 degrees. Therefore, the SAE viscosity classification is ATF fluids does not apply.

The capacity of the automatic transmission at the first factory filling is 7 liters. When performing a replacement, about 5 liters of transmission lubricant will be required, since the remaining 2 liters of oil are distributed along the lines, the cavities of the cooler and the internal volume of the gearbox and cannot be drained without completely dismantling and disassembling the unit.

The Haldex all-wheel drive clutch is filled with mineral transmission VAG oil G055 175 A2. The system volume is 720 ml.

Changing the oil in an automatic transmission

Many manuals indicate that the transmission oil in the Volkswagen Tiguan automatic transmission, filled at the factory, retains its operational characteristics throughout the entire service life of the vehicle. However, in practice, it is recommended to change the lubricant in the gearbox every 60 thousand kilometers of the distance traveled due to the difficult operating conditions of the mechanism.

To change the oil in the Tiguan automatic transmission with your own hands, you will need the following consumables:

• ATF gear lubricant of the corresponding approval;
• oil filter (code 09M 325 429);
• gearbox pallet gasket (code 09M 321 370A);
• an O-ring of the drain plug (code 09D 321 181B);
• container for draining oil;
• rags.

Also, for work, you will need a device for pumping transmission fluid.

For a successful replacement, the oil in the Tiguan automatic transmission must be warmed up. To do this, you need to travel for at least an hour in different modes. After warming up the lubricant, the car is installed on an inspection pit, overpass or hung out on a lift.

To access the gearbox, the engine protection and the gearbox mudguard are removed. The pallet of the box and the adjacent surfaces are cleaned of dust and dirt. To drain the old transmission grease, unscrew the drain plug with a # 5 hex wrench.

A warning! Transmission oil flows out of the gearbox bore in a spiral jet, therefore it is recommended to use a funnel to collect the oil. suitable size to avoid liquid spills and contamination of clothing and work area.

After about one liter of oil has drained, unscrew the overflow pipe using a hexagon to ensure further flow of grease.

When the transmission lubrication stops flowing (the total volume of the drained fluid will be about 4 liters), the drain plug is installed in place, and the automatic transmission pan bolts are unscrewed with a 10 key.

The remaining grease is drained from the dismantled pallet, the inner surface is thoroughly wiped dry with a rag, and metal particles resulting from wear of the box parts are removed from the magnets. Then the oil filter with a protective mesh is disconnected from the valve body.

Information! In most cases, automatic transmission breakdowns are caused not by the deterioration of the properties of the transmission lubricant, but by the leaching of solid metal particles into the gearbox mechanism, which were not removed from the pallet magnets in time.

A new filter and a sump with a fresh gasket are installed in their original place. Before installation, it is recommended to pre-coat the seals with gear oil. oil filter and pallet gasket.

Development of automatic transmission Tiguan after changing the lubricant

To evenly distribute the lubricant throughout the entire volume of the box, it is necessary to ensure automatic transmission operation in all modes within a few minutes... After this procedure, the ATF level should be checked.

The lubrication level is checked using a laptop with a pre-installed software e.g. VCDS or VAG K.

On the device connected via the diagnostic socket, the menu is activated: "Automatic transmission" - "Measured values" - "Group 06".

Baseline conditions are set according to the manual:

• transmission temperature ATF oils no more than 30 degrees;
• the machine is on a level horizontal surface;
• the gear selector is in the Park position.

On a running machine, when the ATF temperature indicator reaches a value in the range from 35 to 45 degrees, the control plug of the oil level in the automatic transmission is unscrewed. If the lubricant level is sufficient, about 300 grams of oil will drain from the bypass pipe. After that, the control hole is screwed in with a plug with a new O-ring. If the transmission grease does not flow out of the control hole, then it is necessary to add oil to the gearbox.

After the completion of the operation, the surfaces of the parts are cleaned of oil residues, and the joints are checked for leaks.

You can get a visual idea of ​​the process of changing the oil in the Volkswagen Tiguan automatic transmission from the following video:

Changing the oil in the Haldex all-wheel drive clutch

According to the recommendations of the VAG concern for the Haldex coupling, the oil change should be carried out in the interval of 40,000-60,000 kilometers of the distance traveled, depending on the frequency and intensity of use of the all-wheel drive. For cars with low annual mileage, it is recommended to change the lubricant in the coupling every 12 months.

4th generation Haldex

For self replacement transmission oil in the Volkswagen Tiguan all-wheel drive clutch, the following tools and materials will be required:

• container for draining liquid;
• set of wrenches;
• pliers;
• a medical syringe for 100 cubes and a flexible tube of a suitable diameter;
• new oil for the Haldex coupling;
• oil purification filter 31325173;
• rags;
• gloves and goggles.

The work is carried out on the flyover, inspection pit or on a car lift. To carry out an oil change, the machine must be installed horizontally.

To preheat the old oil to facilitate the draining process, operate the car in four-wheel drive mode Before removing the used fluid from the clutch, unscrew the two fixing bolts, remove the filter cover fine cleaning, using pliers, pull out the plastic gasket and remove the filter element.

Advice! You can start and immediately stop the engine for a short time so that the oil pressure squeezes the filter with the gasket out of the seat.

Then the drain plug of the clutch is turned out, and transmission fluid drains by gravity into a suitable container.

After the end of the procedure, the plug is screwed back into the Haldex coupling housing, and a new filter, pre-lubricated with oil, is installed in the seat.

You also need make sure there is no damage to the O-rings, which are on the plastic gasket. Failed seals are replaced with new ones to prevent oil leakage. The assembled gasket is inserted into the sleeve.

New oil is poured into the Haldex coupling using a syringe. To do this, instead of a needle, a flexible tube is put on, which is inserted into the filler hole. The procedure is carried out until grease begins to flow out of the hole. After a sufficient amount of transmission oil has been filled, the filler plug is screwed on and the clutch housing is wiped dry with a rag.

Then a test drive is made, after which you should turn off the engine and make sure that there are no leaks from under the Haldex coupling plugs. After 10-15 minutes, unscrew the filler plug to check the lubricant level. If liquid flows out, the level is sufficient. If necessary, add gear lubricant to Haldex. After checking, the plug is installed in place, oil drips are removed with a rag. This completes the procedure.

The procedure for changing the oil in the Haldex VW Tiguan clutch can be seen in the following video:

5th generation Haldex

The sequence of work on changing the oil in the fifth generation Haldex is similar to that described above with one exception. As a result of the current trend to reduce the size and weight of automotive units, the control solenoid valve has been removed from the four-wheel drive clutch design. Respectively Haldex 5 has no oil filter fine cleaning. As a result, wear debris (metal dust and shavings) accumulates in the oil circulating in the hydraulic system and is highly likely to cause serious damage. Consequently, for a greater guarantee of the new model of couplings, the interval between transmission lubricant changes should be reduced by a few thousand kilometers.

Many modern cars Equipped with the same Haldex all-wheel drive couplings, it is also installed on the Volkswagen Tiguan. Thanks to the Haldex clutch, the torque is distributed between the wheels. It is electrically controlled and integrated into the final drive housing. reverse... The clutch has a hydraulic system and itself optimizes the pressure. "Haldeks" perfectly helps on any road surface, it is easy to operate the clutch in any conditions; thanks to this device, the rear final drive is constantly working.

The clutch controls the brakes and ESP systems, ABS. This is a very important element of the car, without which driving will not only cease to be comfortable, but will also be impossible for a number of reasons. In order for a spare part to serve for a long time, it needs special regular maintenance. Changing the oil of the Haldex coupling is one of the mandatory operations when servicing this unit.

How often do you need to change the oil in the Haldex coupling?

If the car is under warranty service, then the dealer offers to change the oil every 60 thousand kilometers, but this figure is greatly overestimated, and in fact, a breakdown of the clutch or pump can occur much earlier. If the car is not under warranty, then it is recommended to change the Haldex coupling oil every 30 thousand kilometers. It is not worth delaying this operation, since complete replacement clutches for a new assembly can cost 200 thousand rubles. This amount is much more than the cost of regular maintenance.

When changing the oil in the clutch, it is necessary to change the oil filter each time. Dealers often find it unnecessary to do this, as a result of which the pump breaks down, replacing which will not fix the problem, since new item will burn out quickly due to clogged oil filter.

Which filter is right?

Changing the oil in the Haldex clutch on the Tiguan also requires replacing the oil filter, but often even official dealers can't pick it up without even knowing what number it has. Actually find desired filter not so difficult: it is produced specifically for the Volkswagen Tiguan by VAG. You can find the product by reference 02D525558A. This is an original filter that is recommended to be installed on the car.

Which oil is suitable for the Haldex coupling?

Before doing the operation to change the oil in the clutch, you need to buy everything you need for this. Even if you are going to contact a service station, suitable oil it may not be there, but you cannot fill in whatever is horrible. The procedure itself is not very complicated, and if desired, the motorist can carry it out on his own. Best Buy branded oil for the Haldex coupling: it is manufactured by VAG. Product catalog number G 055175A2. You can purchase a similar oil with the same article number; suitable oils are Volvo 31325136 and also Atoy Oy. After

The single product is the most expensive, although it differs little in quality from its analogues. Oil capacity for Haldex 4th generation coupling 720 ml.

Changing the oil in the Haldex clutch on the Tiguan does not require complex knowledge of mechanics and is quite feasible in a garage by the hands of a motorist. No special equipment is required for this operation. You don't need special skills either, but before starting work, you should study the theoretical part of the issue well and purchase all consumables.

It is necessary to work with the clutch carefully, since the transmission of the differential from one axle to another depends on it. If you put the clutch incorrectly. rear drive will stop working. There may be other problems with the vehicle.

The clutch has a relatively simple design, which includes a pump, a pressure accumulator, friction discs and a control system. When changing the oil in Haldex Tiguan, do not touch those parts of the structure that are not directly related to the operation being carried out with the car.

Volkswagen Tiguan: do-it-yourself oil change in the Haldex clutch

Before starting work, you need to take care of buying oil. As already mentioned, the product marking G055175A2 is suitable; you will need 650-750 ml of it, so you can safely buy a liter package. It will not hurt to have a stock, as in the process of work something may spill. Standard packaging is usually liter, and you can't buy less, because if you don't add oil, the clutch will quickly fail.

You need to look for the clutch in the crankcase belonging to the rear axle differential. Changing the Volkswagen Tiguan clutch oil requires care, because due to inexperience, motorists sometimes confuse the clutch plug and the rear axle gearbox. If you add clutch oil to the gearbox by mistake, you will have to change the gearbox oil completely. This is because this element requires a different type of oil that cannot be mixed with the clutch fluid.

Before removing the plug, it is advisable to familiarize yourself with the photo of the desired vehicle unit on the Internet. Before starting work, you need to prepare a container into which you can drain the used oil. A cut-off bottle, canister, can, or other container that can be thrown away is suitable for this. You can also use a bucket, but its size will make it inconvenient to work. Before draining the oil, remove the filter and oil pump.

Location of the oil filter

Place a container under the coupling plug, unscrew the plug and wait until the liquid is completely drained. After the mining drains into the prepared object, twist the lower plug and unscrew the upper one to fill the coupling new fluid... It is not necessary to heat the Tiguan before changing the oil in the Haldex coupling.

Pouring new oil directly will not work: it is most convenient to do this with a syringe. The larger it is, the faster you will fill the sleeve. For convenience, a thin hose or tube is put on the tip of the syringe, the needle is not needed at all and can be thrown away immediately.

It is not possible to determine the oil level in the clutch. It is poured until it overflows, and after that, the hole must be wiped with a dry rag and the cork is put back in place. In some cases it may be necessary to flush the coupling.

If the oil change of the Tiguan Haldex clutch did not go according to plan, and you found out that the clutch is clogged with debris, it is better not to fill in new oil immediately, but to clean the part. It is recommended to do this, even if there are no obvious problems with this spare part. A brake disc cleaning fluid is suitable for this procedure. It is alcohol-based and will not harm the part. It is not necessary to remove the sleeve for cleaning. For the safety of the clutch, it is forbidden to use liquids for cleaning carburetors, diesel engines and other aggressive components: such liquids can harm the rubber components of the clutch.