Replacement GURA on Mercedes W202-W205

Dismantling the power steering pump

So, first of all, we remove the pump, you need to drain all the liquid (how to remove it and drain the liquid, I think everyone will know), also on the back cover of the power steering, you need to unscrew the four bolts with a 14 head.

After we begin to carefully remove the cover, we try not to damage the gasket (this is a gasket with an internal rubber seal), on the power steering housing we leave the outer part of the “ellipse working cylinder” (hereinafter simply the cylinder). No need to panic when the cover comes off the case, it may seem like it came off due to the action of the spring, when reassembling it will feel like it does not fit into place, just proceed carefully and alternately tighten the bolts diagonally, then everything will fall into place .

Power steering pump repair

I'll tell you how I fixed the power steering pump. But first, a little history.

The steering wheel of a cold car in summer and winter works flawlessly. But as soon as the car warms up, especially in summer, the XX steering wheel becomes very tight, as if there is no GUR. In winter, this problem is not so pronounced, but still present. If you press the gas, the steering wheel turns immediately with ease (although not quite perfect, but still easier). At the same time, the pump does not knock, does not make noise, does not flow, etc. (snotty rail does not count), the oil is fresh and perfect (especially since it is regularly updated according to the state of the rail!), the cardan is lubricated and does not stick!

In general, the face is a sign of poor operation of the power steering pump with hot oil at idle. I didn’t suffer for a long time, in the end I decided to deal with this problem, spent a lot of time, searched the Internet, understood the principle of the pump, found a similar description and decided to solve my “old pump.

Elimination of defects in the power steering pump

Faults are found, now proceed to their elimination.

We will need a rag, white spirit, P1000 / P1500 / P2000 grit sandpaper, a triangular needle file, a 12 mm drill (or more) and an electric drill. Everything is much simpler with the shaft, you need a P1500 skin, and we start cleaning all the edges of the shaft grooves from it (we clean the outer and side grooves on both sides) in every possible way. We work without fanaticism, the main task is to remove only sharp burrs.

On the one hand, both sides of the shaft can be sanded a little at once on a flat surface, it is recommended to use P2000 sandpaper.

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

The most difficult thing will be with the surface of the cylinder, I personally didn’t think of anything easier than how to make a ball grinder from a piece of leather, a drill and a coarse nozzle (F12). To begin with, we take the P1000 skin and a drill that can be inserted into a drill.

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

Holding the tightly twisted structure, it must be inserted into the drill (the skin is also clamped).

After, in the most convenient way for you, we begin to gently grind the cylinder, you need to grind it evenly, press the cylinder strongly and move it relative to the axis of rotation (at maximum speed). As the skins are eaten, we change, as a result we get to the smaller P2000 skin.

You get the desired result

now everything must be thoroughly cleaned with white spirit. The shaft itself with the blades can be washed in it.

After we start the assembly, we place everything in the reverse order of disassembly.

Mercedes-Benz power steering repair

When buying oil at our service stations, an oil change is free of charge + running gear diagnostics.

The specialized service center "Voltazh" offers high-quality and professional repair of the MERCEDES-BENZ power steering. The reason for the failure of the power steering pump can be poor driving and unprofessional driving, but all breakdowns can be divided into hydraulic and mechanical. If you have at least one of the following signs: “heavy steering wheel”, the steering wheel does not go back, the car “floats” from side to side when driving, a knock is heard in the steering wheel when turning, the steering wheel vibrates, the steering wheel turns by itself, you hear noise, hydraulic fluid regularly flows; diagnostics and repair is required.

To repair a MERCEDES-BENZ power steering pump, you will definitely need the help of specialists. The masters of our service centers in a short time with the help of professional tools and equipment will be able to identify the nature of the breakdown and eliminate it in a short time.

In order to find out the specific reason for the failure of the MERCEDES-BENZ power steering pump, diagnostics will be carried out, on the basis of which it will be possible to draw a conclusion about the possibility of servicing the power steering pump, and draw up an action plan to eliminate it. Future repairs will be made out.

Mercedes power steering pump repair

The power steering pump is a key mechanism in driving a car, as it serves to facilitate the turning of the wheels by supplying fluid to the mechanism. Depending on the brand of the car, both in the foreign and in the Soviet car industry, this part has its own characteristics in the location and method of maintenance. For these reasons, self-repair of a car and repair of a car's hydraulic system, including the power steering pump, presents certain inconveniences and problems. But before you think about "Mercedes Power Steering Pump Repair", you need to make sure that it is not working properly. The following symptoms indicate a pump failure:

• when turning the steering wheel of the vehicle, hissing and rumble unusual for the car are heard, there may also be a knock;
• also a sign of a malfunction may be difficult to turn the steering wheel in the car;

In these cases, you can continue to drive the car, but this is inconvenient and can lead to more problems and more serious damage to the car. Therefore, if any malfunctions were noted, you should contact the STO GUR Service in Moscow. This service employs highly qualified specialists who can diagnose Mercedes, identify malfunctions of the control mechanism and repair the power steering pump in Mercedes.

The company has been servicing vehicles for over fifteen years and has proven itself well in this area. You can verify this by looking at the many positive reviews about the work of the company. In addition to car repair and diagnostics, you can replace parts that are supplied by leading specialists and auto parts manufacturers.

Repair work is carried out at the STO GUR Service in several stages. These steps include:

• Initially, the car is diagnosed and all faults are identified;
• when establishing the reasons, the car is disassembled and the faulty parts and their components are sent for a thorough inspection;
• then specialists wash and clean the parts, and also check them for serviceability or damage;
• without fail, when repairing the power steering pump, service specialists replace the bushing, as well as rubber goods;
• The pump bearings have also been replaced;
• Polish the working surface of key parts (shaft, etc.);
• Burnish the main parts of the power steering pump;
• After these operations, the restoration and grinding of all pressure reducing valves follows;
• All parts are carefully rechecked and, if possible, worn parts are cleaned and restored, and if repair is not possible, they are replaced;
• After all of the above actions, the power steering pump is checked on a special stand;
• If the part works correctly and without failures, then the pump is installed and the car is assembled;
• After the car is assembled, it is re-diagnosed to make sure that the car is finally repaired;

After that, you can pick up your car in good condition with a warranty period. The above actions are performed in cases where repair of the power steering pump is necessary; otherwise, it will be replaced by you. Repair work will take from several hours to several days, it all depends on the degree of malfunction and which component of your Mercedes hydraulic pump is faulty.

However, giving the car to the GUR Service car service will be a wise decision, saving time, nerves and money. In addition, this type of repair work is difficult to carry out at home, as it requires experience, knowledge and specific tools for repair and diagnostics, and of course a lot of free time that will have to be spent on car repairs.

And the quality of work is carried out at the highest level, so after the repair, the Mercedes will serve you for a long time. In addition, in addition to repairing the hydraulic pump, specialists can also diagnose and repair the power steering, steering racks and all key parts of this complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in repair work of the domestic and foreign auto industry, so they repair the Mercedes quickly, efficiently and reliably, they can diagnose and repair the power steering itself, steering racks and all the key parts of this complex mechanism. At the same time, specialists deal with both mechanical and hydraulic and electrical amplifiers.

Well, they are engaged in repair work of the domestic and foreign auto industry, so they repair the Mercedes quickly, efficiently and reliably, they can diagnose and repair the power steering itself, steering racks and all the key parts of this complex mechanism. At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers.

Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. They are engaged in the repair work of the domestic and foreign auto industry, so the Mercedes is repaired quickly, efficiently and reliably. complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. They are engaged in the repair work of the domestic and foreign auto industry, so the Mercedes is repaired quickly, efficiently and reliably. complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. Specialists deal with both mechanical and hydraulic and electric amplifiers.

Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. Specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably.

Mercedes-Benz power steering repair

The reason for the failure of the power steering pump can be poor driving and unprofessional driving, but all breakdowns can be divided into hydraulic and mechanical. If you have at least one of the following signs: “heavy steering wheel”, the steering wheel does not go back, the car “floats” from side to side when driving, a knock is heard in the steering wheel when turning, the steering wheel vibrates, the steering wheel turns by itself, you hear noise, hydraulic fluid regularly flows; diagnostics and repair is required.

To repair a MERCEDES-BENZ power steering pump, you will definitely need the help of specialists. The masters of our service centers in a short time with the help of professional tools and equipment will be able to identify the nature of the breakdown and eliminate it in a short time.

DIY power steering repair

Any motorist can be disturbed by a very annoying nuisance - this is the failure of such a device as a power steering. The first signs of a malfunction: the steering wheel became very tight, a strange rumble appeared when cornering. Also, upon detailed inspection, smudges on the nodes of the system can be detected along with a simultaneous drop in the fluid level in the power steering reservoir.

The power steering unit can fail for a number of reasons. Let's list them:

• during temperature changes, especially in winter, under load during sharp turns, the oil seal can come off, so in winter you can not leave the car at night with the wheels turned out;
• in addition, due to low temperatures under pressure, one of the hoses of the system may leak;
• untimely replacement of power steering fluid or filling in the wrong fluid sometimes leads to serious failure of the system pump.

Next, we will learn in detail how to repair the power steering of your car. And for example, let's take a few famous cars.

The main stages of repair of the power steering pump MERCEDES-BENZ:

• Device diagnostics
• Draining the oil of the power steering system
• Disassembly, disassembly into components
• Washing, blowing under pressure
• Inspection control
• Replacement of defective parts with original components Motorherz (Germany)
• Assembly
• Checking the power steering pump on a special stand
• Control diagnostics, adjustment

The cost of repairing a power steering pump Mercedes

Symptoms of a Malfunctioning Mercedes Power Steering Pump

• The steering wheel turns with more force than before. The flywheel seems to be filled with lead, it begins to resist displacement even at a slight angle.
• Holding the steering wheel in the middle position can also be a problem: the steering wheel will tend to slip out of your hands when hitting even small bumps in the road.
• Turning the wheels is accompanied by uncharacteristic sounds - hissing and buzzing.

Inspection and determination of defects

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

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

We examined the shaft from the reverse side, the parts (hydraulic booster housing and cover wall) that touch them, looked for splines or splines, everything is perfect for me.

Now we extract the entire internal economy on a “clean” rag and begin to study it.

We carefully examined the shaft, all grooves have very sharp edges on all sides. One of the ends of each slot has a pronounced sharpening inward, which, moving the blade inside the slot with a constant slope in this direction, will greatly impede its movement (this may be the first component of poor strength indicators.) Direction). The side parts of the shaft grooves are also “sharp”, you can feel it if you run your finger in different directions along the end (outer circle), as well as along the side parts of the shaft in different directions. The rest of the reed is perfect, there are no flaws or notches on it.

Inspection and determination of defects

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

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

We examined the shaft from the reverse side, the parts (hydraulic booster housing and cover wall) that touch them, looked for splines or splines, everything is perfect for me.

Now we extract the entire internal economy on a “clean” rag and begin to study it.

We carefully examined the shaft, all grooves have very sharp edges on all sides. One of the ends of each slot has a pronounced sharpening inward, which, moving the blade inside the slot with a constant slope in this direction, will greatly impede its movement (this may be the first component of poor strength indicators.) Direction). The side parts of the shaft grooves are also “sharp”, you can feel it if you run your finger in different directions along the end (outer circle), as well as along the side parts of the shaft in different directions. The rest of the reed is perfect, there are no flaws or notches on it.

Repair of Mercedes power steering pumps

One of the main systems that take care of the safety and comfort of driving a Mercedes car is the power steering (power steering). And the main part of the GUR is the pump. Its function is to pump a special fluid to the steering mechanism and make it easier to turn the steering wheel during a trip.

Regular repair of Mercedes power steering pumps is a vital necessity. If the power steering is partially defective, this will cause some inconvenience when driving. When the power steering is completely out of order, it is no longer possible to drive a Mercedes; must be taken in for repair.

11.2.5 hub - removal, repair and installation / Mercedes-Benz W202 (C Class)

Front hub - removal, repair and installation

Note. The front hub should not be removed until the bearings have been replaced, as the inner races of the hub bearing are pressed against the steering knuckle. Therefore, when removing the hub, the bearings will most likely be damaged. To disassemble and assemble the assembly, you must have a press. If not, use a large vise and spacers. The inner rings of the bearings are installed in the hub with an interference fit. If the inner race remains in the hub after removal, a special puller will be required to remove the inner race.

Hack and predictor Aviator

1. Remove the front brake disc, disc guard and ABS sensor.
2. Tap the oiler from the center of the hub. If the cover is damaged when removed, it must be replaced.
3. Loosen the hub nut pinch bolt and unscrew the nut (Fig. 3). Remove thrust washer (if present).
4. Remove the outer bearing and place it in a clean container (fig. 4).
5. Now you can remove the front hub from the steering knuckle. If the hub sits correctly in the neck, a puller is needed to remove it.
6. If the inner race of the bearing remains in the steering knuckle, a special puller will be required to remove it. After removing the inner ring, remove the cuff from the hub.
7. Inspect the trunnion pin for damage and replace the trunnion if necessary.
8. Remove the inner race from the outer bearing.
9. If necessary, carefully remove the ring from the back of the hub and remove the inner bearing.
10. While supporting the front of the hub, tap the outer race of the outer bearing with a hammer and drill through the back of the hub.
11. Turn the hub over and remove the outer race of the inner bearing in the same way.

Thoroughly clean the hub, removing dirt and grease from it. Smooth out any burrs or sharp edges that might interfere with assembly. Inspect the hub for cracks or other damage and wear and replace if necessary. Make sure the ABS sensor ring is in good condition.

When reassembling, apply a light coat of grease to the mating surfaces of the bearing outer race and hub. Also lubricate the raceway of the inner ring.

Support the hub securely and install the inner bearing outer race onto the hub. Press the ring into place without distortion through a tubular mandrel supported only by the outer edge of the ring.

Turn the hub over and install the outer bearing outer race in the same way.

Insert the inner bearing into the outer race. Install the sleeve on the back of the sleeve with the working edge inward and press it into place without distortion (Fig. 16).

Rice. 16. Install the rear hub bushing

17 Fill the hub assembly (about 2/3 full) with grease. The outer bearing is best installed after the hub is installed on the steering knuckle.

Apply grease to the sealing lip at the rear of the hub. Install the hub assembly onto the steering knuckle shaft.

Lubricate the outer bearing, especially its raceway. Install the outer bearing into the hub.

Install the hub nut. While tightening the nut, rotate the hub so that it evenly presses against the steering knuckle shaft. Immediately after installing the hub, adjust the end play of the bearing bracket. Tighten the hub nut pinch bolt to the specified torque.

Fill the cap with grease and replace it.

Install the brake disc housing, brake disc and ABS sensor.

Power steering pump repair

I'll tell you how I fixed the power steering pump. But first, a little history.

The steering wheel of a cold car in summer and winter works flawlessly. But as soon as the car warms up, especially in summer, the XX steering wheel becomes very tight, as if there is no GUR. In winter, this problem is not so pronounced, but still present. If you press the gas, the steering wheel turns immediately with ease (although not quite perfect, but still easier). At the same time, the pump does not knock, does not make noise, does not flow, etc. (snotty rail does not count), the oil is fresh and perfect (especially since it is regularly updated according to the state of the rail!), the cardan is lubricated and does not stick!

In general, the face is a sign of poor operation of the power steering pump with hot oil at idle. I didn’t suffer for a long time, in the end I decided to deal with this problem, spent a lot of time, searched the Internet, understood the principle of the pump, found a similar description and decided to solve my “old pump.

Mercedes power steering pump repair

The power steering pump is a key mechanism in driving a car, as it serves to facilitate the turning of the wheels by supplying fluid to the mechanism. Depending on the brand of the car, both in the foreign and in the Soviet car industry, this part has its own characteristics in the location and method of maintenance.

For these reasons, self-repair of a car and repair of a car's hydraulic system, including the power steering pump, presents certain inconveniences and problems. But before you think about "Mercedes Power Steering Pump Repair", you need to make sure that it is not working properly. The following symptoms indicate a pump failure:

• when turning the steering wheel of the vehicle, hissing and rumble unusual for the car are heard, there may also be a knock;
• also a sign of a malfunction may be difficult to turn the steering wheel in the car;

In these cases, you can continue to drive the car, but this is inconvenient and can lead to more problems and more serious damage to the car. Therefore, if any malfunctions were noted, you should contact the STO GUR Service in Moscow. This service employs highly qualified specialists who can diagnose Mercedes, identify malfunctions of the control mechanism and repair the power steering pump in Mercedes.

The company has been servicing vehicles for over fifteen years and has proven itself well in this area. You can verify this by looking at the many positive reviews about the work of the company. In addition to car repair and diagnostics, you can replace parts that are supplied by leading specialists and auto parts manufacturers.

Repair work is carried out at the STO GUR Service in several stages. These steps include:

• Initially, the car is diagnosed and all faults are identified;
• when establishing the reasons, the car is disassembled and the faulty parts and their components are sent for a thorough inspection;
• then specialists wash and clean the parts, and also check them for serviceability or damage;
• without fail, when repairing the power steering pump, service specialists replace the bushing, as well as rubber goods;
• The pump bearings have also been replaced;
• Polish the working surface of key parts (shaft, etc.);
• Burnish the main parts of the power steering pump;
• After these operations, the restoration and grinding of all pressure reducing valves follows;
• All parts are carefully rechecked and, if possible, worn parts are cleaned and restored, and if repair is not possible, they are replaced;
• After all of the above actions, the power steering pump is checked on a special stand;
• If the part works correctly and without failures, then the pump is installed and the car is assembled;
• After the car is assembled, it is re-diagnosed to make sure that the car is finally repaired;

After that, you can pick up your car in good condition with a warranty period. The above actions are performed in cases where repair of the power steering pump is necessary; otherwise, it will be replaced by you.

Repair work will take from several hours to several days, it all depends on the degree of malfunction and which component of your Mercedes hydraulic pump is faulty. However, giving the car to the GUR Service car service will be a wise decision, saving time, nerves and money. In addition, this type of repair work is difficult to carry out at home, as it requires experience, knowledge and specific tools for repair and diagnostics, and of course a lot of free time that will have to be spent on car repairs.

And the quality of work is carried out at the highest level, so after the repair, the Mercedes will serve you for a long time. In addition, in addition to repairing the hydraulic pump, specialists can also diagnose and repair the power steering, steering racks and all key parts of this complex mechanism. At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers.

Well, they are engaged in repair work of the domestic and foreign auto industry, so they repair the Mercedes quickly, efficiently and reliably, they can diagnose and repair the power steering itself, steering racks and all the key parts of this complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electrical amplifiers. Well, they are engaged in repair work of the domestic and foreign auto industry, so they repair the Mercedes quickly, efficiently and reliably, they can diagnose and repair the power steering itself, steering racks and all the key parts of this complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. They are engaged in the repair work of the domestic and foreign auto industry, so the Mercedes is repaired quickly, efficiently and reliably. complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. They are engaged in the repair work of the domestic and foreign auto industry, so the Mercedes is repaired quickly, efficiently and reliably. complex mechanism.

At the same time, specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. Specialists deal with both mechanical and hydraulic and electric amplifiers.

Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably. Specialists deal with both mechanical and hydraulic and electric amplifiers. Well, they are engaged in the repair of the domestic and foreign auto industry, so the Mercedes can be repaired quickly, efficiently and reliably.

Repair of Mercedes power steering pumps

One of the main systems that take care of the safety and comfort of driving a Mercedes car is the power steering (power steering). And the main part of the GUR is the pump. Its function is to pump a special fluid to the steering mechanism and make it easier to turn the steering wheel during a trip.

Regular repair of Mercedes power steering pumps is a vital necessity. If the power steering is partially defective, this will cause some inconvenience when driving. When the power steering is completely out of order, it is no longer possible to drive a Mercedes; must be taken in for repair.

Dismantling the power steering pump

So, first of all, we remove the pump, you need to drain all the liquid (how to remove it and drain the liquid, I think everyone will know), also on the back cover of the power steering, you need to unscrew the four bolts with a 14 head.

After we begin to carefully remove the cover, we try not to damage the gasket (this is a gasket with an internal rubber seal), on the power steering housing we leave the outer part of the “ellipse working cylinder” (hereinafter simply the cylinder). No need to panic when the cover comes off the case, it may seem like it came off due to the action of the spring, when reassembling it will feel like it does not fit into place, just proceed carefully and alternately tighten the bolts diagonally, then everything will fall into place .