DIY gur vaz pump repair

In detail: do-it-yourself repair of a gur-vaz pump from a real master for the site my.housecope.com.

To make it easier for the driver to control the vehicle, in modern cars, a hydraulic booster is installed on the steering column. One of the main elements of this mechanism is a pump that pumps hydraulic fluid through the power steering system. During operation, it is exposed to heavy loads, therefore, it is periodically necessary to repair the power steering pump.

You can change this unit with your own hands. It is even possible to replace a failed bearing. In this case, the power steering pump repair kit will come in handy, which can be bought at any car store.

Before deciding to carry out repair work, it is necessary to check the presence of liquid in the tank, as well as the compliance of its brand with the approved one for use on this machine. Often, the cause of the signs of malfunction is the appearance of air locks in the system. Therefore, if you suspect this, it is necessary to pump the hydraulics, removing all air plugs. In this case, the efficiency of the power steering can be fully restored. If, when checking the quality of the working fluid, it is found that it does not meet the standard, it is necessary to change it to the fluid of the desired brand. In the case when a decision is made to repair the power steering pump, it is required to prepare a workplace and the necessary tools, as well as materials for carrying out the work:

you need a key for "12", as well as heads for "14" and "24";
you will need a snap ring puller;
prepare in advance two copper washers, a gasket for the rear casing, two O-rings and an oil seal, they can be replaced by a power steering pump repair kit;
be sure to have a bearing marked "6202" and an outer diameter of 35 mm;
to pump oil out of the tank, you need a large syringe and a container;
clean the workbench and cover it with clean cardboard to disassemble the pump;
prepare fine sandpaper and a cleaning cloth.

In order to remove the power steering pump and repair it with your own hands, you need to perform the following steps.

Slightly loosen the axle bolt that secures the pump unit to the bracket using the hole in the pulley. Loosen the tensioner retaining nut completely and remove the belt.
Using a syringe, pump out the hydraulic fluid from the reservoir. Turn the steering wheel right and left until it stops so that the oil is completely out of the system, do this several times to completely clean the pipelines.

Video (click to play).

Loosen the clamp on the hose that runs from the expansion tank and remove this line.

Remove the bolt that secures the high pressure hose from the pump to the system.
Remove the axle bolt that secures the pump to the bracket and replace it with a screwdriver or a metal rod of a suitable diameter in order to lock the pulley. Then unscrew the nut that secures the pump pulley.
Pull the released power steering pump unit up and put it in a specially prepared place. Remove dirt and oil from the unit housing.
Remove the bearing retaining ring with a puller.
Remove the rear cover mounting bolts. Gently pry it off with a small screwdriver and remove it, making sure that the rotor blades do not fall out of the housing.

Take out the blades and put them on pre-prepared numbered pieces of paper so as not to confuse anything during assembly. Attention! Remember the position of the assembled blades. When installed in a housing, the rounded part of these blades must be turned outward.

Remove the plate and all parts underneath.
Drive out the shaft by tapping gently with a screwdriver.

Press the bearing off the pump shaft.

Change the unusable bearing for a previously prepared one.

Check the parts of the pump set for defects and wear. Clean surfaces from dirt and roughness. Experts say - simple cleaning of internal parts reduces gaps and allows you to extend the operation of this unit without replacing any parts.

Reassemble in reverse order. It is imperative to change the oil seal, O-rings and washers for new ones prepared in advance.

If it is difficult for you to fix the power steering pump with your own hands or there is no time for this, then it is possible to replace the power steering pump with a new one. This will significantly reduce the repair time. Also watch a video on the topic:

A very helpful article! And although I have a Hyundai H1 4 × 4 Starex 4WD, I think that these tips are very, very useful to me. My Gur is stuck (most likely - the bearing). Disassembled. As soon as I find a bearing and a repair kit for it, I will collect it. Wish I saw this article before. I had to suffer with unscrewing the return hose from the fitting. It was only necessary to put a wrench on the lower part of the fitting, and unscrew the upper one.
Thank you for the article!Very helpful article. I myself am now suffering with gur Ford EXP3 4.6. And howls and tight ... to sort out nodo ... There is already a mess in my head from studying and generally searching for information ....

We will repair the main unit of the power steering pump car control system.

Those who have already encountered car breakdowns know for sure that it will be a little costly to make repairs in service centers. Much easier than ever, the most important thing is to do it yourself. With a little knowledge and effort to this process. The inherent content of the material will allow you to get acquainted with an independent repair of the power steering pump. You can also carry out diagnostics to identify malfunctions in the operation of the pump itself.

The elements that make up the pump.

The most difficult dismantling is to release the pump from disconnecting the supply hoses with pipes and draining the hydraulic fluid. Initially, we loosen the belt or uncouple the gear drive, then unscrew it from the attachment to the engine block. We flush the housing from the accumulation of dirt.

Next, we disassemble the pump body itself, very carefully remembering this moment how everything is attached (or otherwise there will be a problem during assembly), then we thoroughly clean all the components from the inside from dirt.

With a detailed examination of the internal parts of the pump, we determine their working condition.

4. Uneven surface of the inner part of the cylinder (stator).

We examine the rotor, paying attention to the grooves: their edges should be smooth and sharp, without chips and notches.

Next, we look at the inner working surface of the stator, it often happens that its wear is the cause of problems with the power steering pump.

All that we may need in the upcoming work is this!

alcohol (best of all White Spirit, aka solvent gasoline or a can of WD40 liquid);
sandpaper (from P2000 to P1000);
cloth or soft paint brush;
small file or file;
electric drill;

We use sandpaper to clean the seats of the rotor blades.

Rotor cleaning is reduced to the elimination of irregularities and burrs of the grooves, as well as to grinding the rotor surface.

Gloved work is best as the edges of the rotor are very sharp; try to keep the movement smooth and even for a smoother finish.
There is no consensus on how to grind the inner surface of the stator; if you have enough patience and time, you can try manual leveling.

The algorithm is as follows:

First, we make a rough cleaning with a file, then smooth it with coarse sandpaper and finish it with a sandpaper.

It is easier to adapt an electric drill using a drill and sandpaper. You will get a kind of mini-grinder by screwing sandpaper onto a drill with a diameter of at least 12 mm (against the movement of the drill rotation). When grinding with a self-made unit, you must try to evenly distribute the load over the entire surface, unnecessarily not zealous and not forgetting to change the skin from coarse to the finest.

Using a drill and sandpaper, we eliminate the unevenness of the stator surface.

Having finished with grinding, we will bring the power steering pump to its original working condition. Carrying out the assembly process in the reverse order, it will be useful to first check whether the shaft rotates easily inside the pump itself.

The final touch will be to install the cover in place, with the preliminary installation of a new gasket. During the assembly process, the cover is easily tightened with four bolts. It is best to pull them crosswise, thereby achieving an even, accurate fit of the cover plane to the stator.

The pump now has a new state again. Nevertheless, it will take a long time before you have to repeat this procedure again!

Watch a video lesson of self-repair of the power steering pump.

Watch a video lesson how the power steering system works.

Many modern cars are equipped with a power steering (GUR). Russian cars were also equipped with such systems, but not in such quantities as we would like. Power steering for VAZ 2110 was installed on rare trim levels, for example, VAZ 21124. In this article, we will show how you can repair the power steering pump yourself.

The price of a new pump is more than 3 thousand rubles. Any part can be repaired, the power steering pump is no exception.

Hello everyone! My name is Mikhail, now I'll tell you a story about how I managed to exchange a dvenashka for a 2010 Camry. It all started with the fact that I was wildly annoyed by the breakdowns of the two, like nothing serious broke down, but the little things, damn it, so many things that really started to enrage. Here the idea was born that it was time to change the car to a foreign car. The choice fell on the tayet Camry of the tenths.

The power steering pump on cars of the tenth family was installed by the ZF brand (ZFLS 7691 955 339). It is also suitable for VAZ 2170 and 2123, as well as Audi A6, Wolksvagen Passat or Transporter.
The whole difficulty lies in the fact that this pump model is not collapsible, that is, there are no retaining rings or covers.
but restore the operation of the power steering pump it is still possible.

We remove and disassemble the power steering pump (instructions). Then we thoroughly clean it from dirt and visually inspect it to determine the causes of the breakdown. One of them can be a step on the inner wall of the pump casing. The step can be removed with a drill attachment.

In order to get rid of constant fines from cameras, many of our readers successfully use Special Nano Film for numbers. Legal and 100% reliable way to protect yourself from fines. Having familiarized ourselves and carefully studying this method, we decided to offer it to you as well.

Auto mechanics in life, lovers of repairing a broken part, try to do the repair with their own hands. It develops skills, saves money, but sometimes it takes a lot of time. Today we will consider whether it is possible to repair the power steering pump with our own hands and, if so, how to do it yourself.

Although the power steering pump is experiencing significant loads, it does not break down so often if it is properly operated. Due to the not particularly complex design of the pump, it is quite possible to repair it yourself.

Fluid tank.
Control spool.
The pressure regulator in the amplifier system.
Pump.
Power cylinder.

A pump is a device that propels fluid, in this case oil, in a closed system. Pumps in power steering can be mounted vane or vane. These types of pumps are stable, do not fail quickly, and have a long overhaul period.

The pump is driven by a belt. Through the belt, rotation is transmitted from the crankshaft to the pump shaft. During pump operation, the system reaches a maximum pressure of 150 bar (atmospheres) or 15 MPa.The basis for the correct operation of the pump is the clearances set by the factory, which should be between 0.05 and 0.1 mm. If the pump is badly worn, the clearances increase, and the driver feels that the steering wheel has begun to turn harder.

Modern cars are created with maximum comfort for the driver and passengers. So that the driver can easily turn the steering wheel (even with one finger), power steering is installed. It can be electric (EUR) or hydraulic (power steering).

In addition to facilitating the rotation of the steering wheel, the EUR and GUR softens and absorbs shocks on bumps. Also, the power steering keeps the steering wheel straight, even if the tire is burst.

Although the installed vane and vane pumps in the structure of the power steering do not break so often, we will nevertheless consider what are the signs and how to extend the life of the pump.

Change the liquid on time. Few people change the oil in the hydraulic booster, but it becomes obsolete and loses its properties. Therefore, it is necessary to do this.
Monitor the fluid level in the power steering reservoir.
Try not to turn the steering wheel when the internal combustion engine is not working. If the fluid in the power steering system does not move, the pump overheats. The oil does not move if turned many times with the engine stopped.
When changing the oil, be careful not to get debris.

Subject to the rules of operation, the power steering serves for a long time. Check oil level periodically. When adding fluid, add only the same grade.

If you find signs of a malfunction in the power steering system, you should not drive fast and long distances until the causes have been eliminated.

If there are difficulties with turning the steering wheel at idle and at low speeds. At high revs, there are no problems with steering.
If you find a fluid leak from the power steering system.
If extraneous sounds become audible during rotation of the steering wheel.
If a whistling or humming sound is heard from a bearing. If the bearing is removed, then there will be a backlash during the rolling of the pulley.

Before you start disassembling the device, you need to check if there is an air lock in the system that interferes with the movement of liquid. It is because of the air lock that most often malfunctions occur in hydraulic systems. That is, first of all, we pump the power steering. If after this the reasons have not disappeared, then we proceed to dismantle the hydrach, disassemble it and repair the system parts.

We do a complete cleaning of dirt. When doing this, make sure that no dirt gets into the hoses.
Remove the drive belt.
Drain the oil as much as possible.
Now you need to put a mark on the power steering shaft relative to the elastic coupling (for this you have to crawl under the car). Unscrew the steering wheel shaft using the hexagon.
We dismantle the steering rods. To do this, you need to raise the left side of the car with a jack and remove the wheel. Usually, to remove the rods, you need to use a special puller. But, in this case, you can do it without a puller.
We take a 15 socket wrench and loosen the power steering bolts to the side member. This is done from the side of the wing arch. Unscrew 2 bolts completely, leave one in place.
Now, what remains in the hoses must be drained. To do this, we substitute a cut empty canister or other container.
When the liquid has flowed out of the hose, you need to plug them with rags.
Now you need to unscrew the remaining one bolt. We unscrew it with one hand, and hold the gidrach device with the other.
Carefully, slowly take out the pump.

First, we inspect if the case is broken, if there is metal corrosion. In the process of disassembly, usually, the cause of the breakdown is found out. Next, we disassemble the pump into its component parts.

The circlip holds the bearing. This ring must be removed with a puller.
Remove the rear cover retaining bolts. The cover is removed with a slotted screwdriver. It must be removed carefully so that the blades do not fly out and the pump housing.
Those who do not remember the location the first time are recommended to take blank A4 sheets of paper, number them on them and spread them out.During the disassembly process, the parts are laid out on these sheets in a specific order. You also need to remember that the blades with the rounded part must then be installed outward.
Now you need to remove the plate and the parts under it.
After that, we proceed to remove the shaft. It must be carefully knocked out, for this you can use a brass hammer or a rubber hammer, which is used by master tilers.
The bearing must be pressed out of the removed shaft.
If the problem was in the bearings, that is, it can wedge, or crumbled, or simply rotates tightly, then we press in a new bearing.
In addition to the bearing, it is necessary to check all the parts of the device and, if necessary, replace them.
At this stage, when the failed parts are replaced, it is necessary to assemble the power steering device.

There are very important components, devices and parts in the design of a car, but there are less important ones. It is necessary to monitor especially important nodes often. If signs are found, try to eliminate the cause as soon as possible.

This video shows the device and principle of operation of the power steering pump of the Chevrolet Aveo

How to repair the power steering pump yourself

Another reason for a power steering pump malfunction may be a worn bearing in a closed housing (450 rubles) or an old oil seal (50 rubles).
When installing the oil seal, you may need to sharpen the shaft a little on a lathe.

There are two ways to fix the new bearing in the pump housing:
Make a groove at the turner on the outside of the bearing. Drill threaded holes in the pump wall. Insert a new bearing and secure it with sharpened bolts, which are then sawn off.

Alternatively, secure the bearing inside the pump using the folded edges of the housing.
We assemble the power steering pump in reverse order. Unlike the Saginaw pumps, the vanes on the ZF pump do not turn over.
To put the flange on the shaft, you need to put the heated flange on the shaft. After a sharp chill, it will sit firmly.

If power steering pump buzzing after assembly, then do not be alarmed, this is grinding in the parts, after 300-500 km the hum will go away.
Do not forget to change the power steering fluid afterwards.

I will tell you how I repaired the power steering pump. But first, a little background.

The steering wheel on a cold car in summer and winter works flawlessly. But as soon as the car warms up, especially in the summer, the steering wheel on the XX becomes very tight, as if the power steering is not there. In winter, this problem does not manifest itself so strongly, but it is still present. If you put it on the gas, the steering wheel immediately turns with ease (though not quite ideal, but still lighter). At the same time, the pump does not knock, does not ring, nor leaks, etc ... (do not take the snotty rail into account) the oil is fresh and perfect (especially, thanks to the state of the rail, it is updated regularly!), The cardan is lubricated and does not wedge!

In general, on the face of the sign of the lack of performance of the power steering pump with hot oil at XX.I didn't suffer for a long time, in the end I decided to deal with this problem, spent a lot of time, rummaged through the Internet, understood the principle of the pump, found a similar description and decided to sort out my "old" pump.

And so, first of all, we remove the pump, it is necessary to drain all the slurry from it (how to remove it and drain the liquid, I think everyone will figure it out), also, on the back cover of the power steering, you need to unscrew four bolts with a 14 head.

After we begin to carefully remove the cover, try not to damage the gasket (this gasket with an internal rubber seal), in the power steering body we leave the outer part of the "working ellipse cylinder" (hereinafter simply the cylinder). There is no need to be scared when the lid moves away from the case, it may seem that it is moving away due to the influence of the spring, during reassembly it will seem to you that it does not fit into place, just continue to carefully and alternately tighten the bolts diagonally, then everything will fall into place ...

Carefully inspect the contents and remember (you can take a photo) what stood where and how (more attention should be paid to the position of the cylinder). You can twist the power steering pulley and gently check with tweezers how the blades move in the grooves of the shaft.

All parts should be pulled out without effort, since they do not have any fixations, but the central axis is fixed rigidly, it cannot be removed.

We inspect the shaft from the back side, parts (power steering body and cover wall) touching them, for scoring or grooves, everything is perfect for me.

Now we take out the entire internal economy on "clean" rags and begin to study it.

We carefully examine the shaft, all its grooves have very sharp edges on all sides. One of the end sides of each groove has a pronounced sharpening inward, which, when the blade moves inside the groove with a constant slope to this side, will greatly complicate its movement (this may be the first component of the poor operation of the power steering). The lateral parts of the grooves of the shaft are also "sharpened", this can be felt if you slide your finger in different directions along the end (outer circumference), as well as along the lateral parts of the shaft in different directions. The rest of the shaft is perfect, does not have any flaws and notches.

The faults were found, now we are starting to eliminate them.

We need a rag, white alcohol, sandpaper with a grit of P1000 / P1500 / P2000, a triangular file, a 12mm drill (or more) and an electric drill. With the shaft, everything is much simpler, you need a P1500 sandpaper and we begin to clean all the edges of the grooves on the shaft (we clean the outer and lateral on both sides) in all possible ways. We work without fanaticism, the main task is to remove only sharp burrs.

For one thing, you can immediately polish both sides of the shaft on a flat surface, it is advisable to use P2000 sandpaper.

Next, you need to check the result of our work, check it visually and by touch, everything is perfectly smooth and does not cling.

The most difficult thing will have to do with the surface of the cylinder, I personally have nothing simpler, I have not figured out how to make a spherical grinder from a skin, a drill and a thick drill (F12). To begin with, we take a P1000 skin and such a drill, which can be crammed into a drill.

Next, you need to tightly wind the skin against the rotation of the drill, in two or three turns, there should be no gaps.

Holding the tightly twisted structure, you need to insert it into the drill (clamp the skin too).

Then, in the most convenient ways for you, we carefully begin to grind the cylinder, you need to grind evenly, press the cylinder tightly and move it relative to the axis of rotation (at maximum speed). As the skin is eaten, we change it, as a result we reach the smallest skin P2000.

The desired result is obtained,

now everything must be thoroughly wiped with a path with white alcohol. The shaft itself with blades can be rinsed in it.

After we start the assembly, everything is put in the reverse order of removal.

Power steering is an important detail that helps to easily drive a car in the most emergency situations.Its use allows not only to get more pleasure from driving, but also significantly increases the overall safety on the roads. This is due to the fact that with the help of the power steering, complex maneuvers are much easier for the driver.

However, over time, this part becomes unusable. Particularly high wear is observed with dangerous driving style. Sharp turns significantly reduce the service life of the power steering, and it needs repairs.

Power steering is a device that is part of the steering column. It increases the force exerted by turning the steering wheel on the wheels. The presence of power steering improves driving comfort. Additionally, there is an increase in the maneuverability and stability of the vehicle on the road.

The design of the power steering is based on a pump. It takes a lot of stress while driving. It is not surprising that it is this part that most often needs repairs, and also applies to high-pressure hoses.

The pump is driven by the crankshaft. It pulls oil out of the reservoir and feeds it to the distributor. The last part is responsible for monitoring the force exerted on the steering wheel and wheel rotation. A torsion bar is used as a follower, which is mounted in the cut of the steering shaft. These are the main elements of the power steering, which also often need repair.

As soon as the steering wheel turns, the wheels resist. Here the torsion bar comes into play, the more the steering wheel is twisted, the more it twists. As a result, the metering channels open and oil gets inside, triggering the mechanism.Before proceeding with the repair of the power steering, a little history will not hurt. This will help you understand what role this part plays in the overall concept of the car, and from which side it is best to approach the repair.To begin with, as soon as the cars appeared, there were no power steering units. Moreover, in those days, repair in most cases was limited to correcting engine breakdowns. In fact, power steering is a luxury that allows you to drive a car with great comfort. It is not surprising that until now, many companies are saving on this device. As an example, domestic and Chinese cars.At the beginning of the last century, the absence of the need for a power steering, and, accordingly, in its repair, was explained by the extremely low speeds that the vehicles of that time could develop. If the car travels at a speed of 20 kilometers per hour, then there is little sense in increased maneuverability.In the late 1930s, everything changed dramatically. The revolution began with trucks, it was on them that the first pneumatic boosters were installed. The first car to receive power steering was the standard Chrysler Crown Imperial.The next stage in the evolution of systems for optimizing steering wheel control is considered to be electric power assistance. Unlike a power steering, it does not depend on temperature changes. But he often needs repairs, besides, professional drivers note a certain artificiality of sensations behind the wheel.The final result depends on how well you prepare for the power steering repair. The preparation process consists of the following stages:

Before starting repairs, dirt is cleared from the power steering. It is necessary to completely clean all cavities of the unit. This is to prevent dirt particles from getting inside when disconnecting the hoses.

At the second stage, fluid is pumped out from the reservoir of the power steering pump.

The screws of the steering shaft coupling are unscrewed. To do this, use a hexagon by 6. Pre-roll changes the position of the part relative to the power steering shaft.

Before repairing, it is also necessary to slide the elastic coupling off the splines. To do this, you need a mount.

The steering rods will detach from the bipod.

The machine is raised on a jack and the left front fender is removed.

With a 15 socket wrench, the wheel mounts are loosened from the side of the arch. One bolt securing the power steering to the spar is removed and two remain.

A container must be placed under the power steering hose fittings. Liquid will drain into it.

Disconnect the fittings one by one.

Hoses and fittings must be sealed. For this, special plugs are used. As a last resort, you can take a simple rag.

Now it was the turn to start dismantling the power steering and repairing it. To do this, unscrew the last bolt while holding the power steering from below. Be careful, the gearbox may fall out.This is a general algorithm for preparatory work for repair. It is different for different cars. Therefore, before disassembling, refer to the instructions to clarify all the technical nuances. This will help to avoid damage to the structure when repairing the power steering.The power steering repair process largely depends on the model of your car. The general algorithm will be outlined below. Please note that not all models have gearboxes completely disassembled.For a better understanding of the power steering repair technology, we will divide it into a number of stages:

To disassemble the power steering, you will need a strong 6-point hexagon. Do not forget to prepare the tray in advance. ATP will merge into it.

Remove the plugs from the fitting and raise the power steering over the bucket. In this case, you need to rotate the bipod so that the liquid is drained down.

Remove the bipod shaft, unscrew the bolts. They are usually additionally fixed with special mastic, so you have to make an effort.

Remove the adjusting screw locknut. Then screw it into the gearbox. At the end, the shaft is pushed out along with the cover and bipod.

Check the condition of the bipod. If there is no backlash, the cuff does not need to be changed. Just leave it as it is.

Unscrew the check valve plug and remove the spring. The valve itself is shaken out.

Remove the cover bolts and push the cover out of the housing slightly. This can be done carefully by turning the shaft.

Pull out the shaft together with the cover. To do this, you need to pry on the gap with something.

Unscrew the power steering ball nut. Do the same with the shaft.

Collect all the balls.

Loosen the locknut and dispose of the bearing.

Further, the nut and bearing are removed from the piston housing.

The removed nut is disassembled. For this, the locking bolts are bent, and they themselves are unscrewed. The brace is removed. Do the same for both parts of the ball duct.

After all the previous work has been done, you can start looking for a breakdown of the power steering and direct repair. If there is a backlash in the hydraulic booster, its cause most likely lies in the gap between the shaft and ball nut pair. You also need to check the bearing assembly between them. Usually the cause of the backlash lies in one of these places.Adjust the clearances to the level required to eliminate backlash. In most cases, this is enough to complete the repair of the power steering.Warning! Backlash appears due to the weakening of the threaded connections holding the assemblies. Therefore, try to drive on a good asphalt surface.When play is found in the shaft cover assembly, loosen the locknut and then tighten it to the required level. The main thing is not to overdo it! Don't put too much effort into it. This could damage the structure.After the gearbox repair is completed, it remains to reassemble. Also, in the power steering, the pump often fails, and the hoses become unusable. Read more about their repair below.The power steering pump is its heart. It pumps fluid for easy handling. The design includes gaskets, bearings, balls, oil seals and other components. Over time, they become unusable and then you need to make repairs.The most serious failures are related to pistons. They may not work correctly due to air entering the power steering system. This leads to incorrect operation. Pumping will help to eliminate this defect.To repair a power steering, you can purchase an old power steering from the same car model and use its parts. In some cases, this is the only way to fix the unit.