Tires can be called the link between the car and the road surface. That is why over the course of many decades, the composition and construction of tires are constantly being improved. According to adopted rules, the car is allowed to participate in road traffic only with proper condition of the wheels. Inspection of tires from all sides allows to obtain information about their condition, technical condition of the car and the features of the manner of driving the owner.
Why eats rubber is a fairly frequent question that can be found on various car forums. After all, after some time, after detecting uneven wear wheels, it may be unsuitable for use, since strong wear is largely worsening handling, increases the braking path, reduces the stability of the vehicle on the road.
We carry out inspection
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Features of the car determine how stronger wear is happening: from behind or in front. In order to evaluate not only the fitness of the tires, but also determine the absence of problems with the technical condition of the car, you should inspect all 4 wheels. 
At the same time, we note:
- The car that has a rear axle has, it is the rear wheels that will be more worn, at the front-wheel drive car - on the contrary, front. This is due to the fact that the transmission of torque leads to an increase in the friction force between the wheel and the road.
- If, for example, Fiat Albea has on the front disc brakes, and the drum rear - the front wheels will be more extended to a greater extent. This is due to the fact that the effectiveness of disk brakes is higher. Often, strong abrasion of a particular part of the wheel occurs when braking, since at this moment a large load on the axis occurs.
Driving manner always determines the degree, the rate of wear. The more during the movement of accelerations and braking, the more wear.
When examined, it is worth considering that cases under consideration determine uniform wear throughout the surface. What is eating rubber unevenly? The answer is quite simple - there is a malfunction that leads to this.
It is possible to determine what wheels are more eaten from the inner or outer side only after a fairly large period of time. This is due to the fact that only in a few hundred kilometers this will become visible without using special devices for measuring the values \u200b\u200bof the tread.
Depreciation and drive wheels
An important point can be called what is eating rubber from the inner and outer side of the leading and controlled wheels in different ways even in the absence of malfunction. This is due to the following moments:
- Controlled wheels at the time of rotation are connected with the road surface with the inner or outer side of the tire, which is associated with the characteristics of the steering system. Therefore, Fiat Albea may have rubber with uneven wear. However, such a phenomenon manifests itself in several thousand kilometers.
- The wheels on which the torque is transmitted is wears more in the middle - eats rubber in a place where the load and the force of friction concentrates.
If controlled wheels are leading, then two phenomenon are summed up, and uniform wear occurs. Such a phenomenon is characteristic of the front-wheel drive vehicle. What is eating uneven tires in this case - the answer lies in the presence of malfunction.
Frequent problems
When considering why Fiat Albea has a tire with a different degree of wear, it should be noted that in some cases the problem is manifested in several hundred kilometers through the path. We highlight the following reasons why rubber is unevenly erect:
What is eating rubber - quite a lot of answers. Check Fiat or other car follows a specific scheme to identify a problem. This is due to the fact that even a simple reason for the elimination of which will take little time and effort, can lead to significant problems.
Pressure unevenness
The reason that is the answer to the question of which is eating rubber, you can call uneven pressure on wheels installed on the same axis. In this case, it is also possible that the vehicle will pull in one direction. An example is the case when the Fiat has one front tire with 1.5 atmospheres, and the other 2.0 atmosphere.
In order to check it easy to visit the refueling or maintenance station. After checking the pressure, it is necessary to compare it, after a while you can check whether the pressure difference causes uneven wear.
The collapse of convergence
From the inner or outdoor side, eaten may occur due to improper location of the wheels relative to the vehicle body. At the same time, strong abrasion can occur after a long time. Considering such a problem, it should be noted the following nuances:
- The collapse is an indicator that is responsible for the tilt over the vertical axis.
- An alignment is an indicator that is responsible for the position of the wheel when turning.
Such indicators concern only the front axle. What can a lot of wheels eat a few kilometers through the path?
If Korda wear takes off the collapse of the convergence of convergence. At the same time eats the cord in different ways, depending on how the set parameters occurred. After a few hundred kilometers, the problem may appear brightly, up to the complete abrasion of the tread to the base of Cord.
Considering such a question, we note the following:
- If eats the inner side, then this indicates an unnecessary slope inside. This situation is called a negative collapse. Such a situation is found quite often.
- If the outer edge is flawed, then it is positive wear. In this case, the wheels are tilted in different directions.
After 300-500 kilometers of the path traveled, even a new tire can come into full unfortunate. However, it should be borne in mind that zero collapse leads to uniform, but reinforced wear. Such a situation also leads to a significant increase in fuel consumption indicator, as well as the rate of resistance to rolling.
Singing the settings passes for the following reasons:
Checking the collapse of the convergence at the maintenance station takes a little time. Modern equipment allows you to quickly and accurately check the collapse of the convergence. Experienced wizards perform the installation of the necessary parameters for a short time.
Not only different, but also small pressure can lead to a decrease in the service life of the purchased tire. This is due to the fact that tire producers create a design with the recommended operating conditions. If low-pressure wheels are exploited to wear quickly. At the same time, the load will be at that part that is not intended for this.
Small pressure indicator determines the following:
- The structure begins to fade along the edges.
- The rim can be in contact with the surface of the tire, which will strengthen wear.
However, large pressure also leads to the fact that eating begins in the central part.
That is why it is necessary to constantly pay attention to the pressure. It is worth pumping the wheels to the indicator that is recommended by the manufacturer.
Defects in the manufacture
There is a small probability that in the manufacture of a marriage and uneven wear occurs due to the irregular shape of the product. That is why only proven manufacturers should be purchased.
Among the most common problems, the incorrect composition of the rubber used can be noted, the improper form of the court, other admitted defects. Unfortunately, check the quality of the tires without special equipment is almost impossible.
Aging Tires
Despite the fact that rubber is usually wearing earlier than the expiration of the shelf life occurs, there are certain times. The aging of rubber can lead to the fact that it begins to braid unevenly and strongly. It is also worth noting that improper storage can lead to rapid aging of rubber.
All manufacturers indicate how much the product can serve under certain operating conditions. Also indicated how it should be stored.
The aging rubber leads to the fact that it loses its tightness and structure becomes porous. After some time, the moisture begins to penetrate the structures. As a rule, manufacturers use metal cord to enhance the structure. Moisture leads to the destruction of the metal base. According to the adopted standards, it is impossible to use the bus after 10 years from the date of its release.
Other reasons
The above reasons can lead to a strong erasure of the surface in several hundred kilometers. However, some malfunctions can also lead to minor wear, which will manifest itself in a few thousand traveled path. Similar reasons include:
- Suspension fault. If the collapse is connected with the front suspension, then eating the rear rubber can be associated with the fault of the suspension. Incorrect location of some elements may cause the location of the wheels at a certain angle. An example can be called violation of the position of racks, as well as levers and other elements that affect the position of the rim.
- Changing the body geometry after impact can also cause uneven wear. You can identify such a situation only with certain equipment.
- The features of the disk used can also lead to the emergence of the problem under consideration. For example, after a strong impact, a disk form can be disturbed.
Types of wear of tires
The above reasons may also lead to the abrasion of the tire from the inside. However, they are quite rare. The body geometry varies after a strong impact, the suspension malfunction, leading to the tilt of the wheel, is often eliminated earlier, modern wheels have high strength.
Epilogue
In conclusion, we note that timely detection of the problem will eliminate the problem and maintain the integrity of the tire. Timely detection of the problem is possible with a constant visit of the maintenance station. Podaching the wheels or conducting diagnostics of the suspension, you should pay attention to the status of the tread.
Any experienced motorist knows that for normal operation of the vehicle is not enough only to choose the necessary tire, install it on the wheels, balance and ride without the risk of accidents and premature wear. One of the most important actions to which the car must undergo is adjusting the collapse and convergence, that is, reconciling the position of the wheel in the horizontal direction to prevent excessive abrasability of rubber.
Many motorists who do not have sufficient driving experience often arises the question of why it eats rubber from the inside on the front axle. The reasons for this defect can be revealed several, and none of them depends on the other, in particular:
- The most frequent problems are malfunction and collapse of the wheels, and this may not be associated with adjustment, because their position is inconstant and from strong impact or vibrational influences it can easily change. In order for the driver to identify the problem with the consequence and collapse, it can simply get involved on a straight level road and release the steering wheel for a few seconds. If the car takes to the side - this is one of the signs of violation of this adjustment.
- Also, the problem of wear of the wheels on the inside may be in case of insufficient pressure in them, when the middle of the sole contact with the road is beaten, and the shoulder protectors, on the contrary, wear faster.
- If the motorist acquires a cheap replica instead of the original tire, then the probability of marriage in the manufacture of the wheel is great. Such an alignment, as a rule, causes an uneven distribution of masses, beating at speeds, extra vibrations and, most importantly, - uneven wear of the protector.
- Some cars are designed in such a way that when turning the wheels are slightly leaving, and engineers are deliberately resorting to such a reception in order to reduce the radius of the vehicle reversal. In such cases, the wheel has a contact stain with an expensive only one of the parts of the sole, which inevitably leads to wear of the tire on one side.
- If the tire is exploited by several seasons in a row, then the likelihood of its fatigue is large, which is why plastic deformations of hernia arise and, as a result, the destruction of treads from friction on the road surface.
If the motorist notices stirring rubber on its "iron horse", in most cases this can occur due to one or several of the factors listed above. Of course, the reasons may be more, for example, with a systematic overload of the car or in the case of its recovery after a serious accident with the deformation of the frame, however, it is generally incorrect adjustment of the wheels.
Adjusting the convergence of the wheels How does the mechanism of wear of leading front wheels
At the occurrence of the above reasons, drivers begin to notice how eats rubber on the outside, and the physical process that occurs in such a situation is described below:
- The contact of the tire soles occurs uniformly throughout the clutch area, but only one of its parts, and the wheel can not only roll, without encountering the resistance path, but also to slip when overclocking, braking or turns.
- The solid coating acts on the protector as abrasive, and always causes the destruction of the micron layers of the tire soles during each trip.
- Considering that the uneven distribution of the contact surface causes an increase in pressure per unit area, the wear in this place occurs several times more intense due to the concentration of voltage at one point, which causes the so-called subsidence.
With the incorrect work of the main supervisor control systems, the driver can see what eats the inner part of the rubber on the front wheels after a few hundred kilometers of the mileage. This means that vigilance is never unnecessary, and constant tread height control over the entire area of \u200b\u200bthe tire sole helps to identify the problem in the early stages and prevent more serious breakdowns in the car.
Tilt of wheels on the turn The main reasons for rising rubber on the rear wheels
In the case when the motorist notices that he eats rubber on the rear axle, then the reasons can be both the same as those listed above and some other technological and operational features of the vehicle.
So, this defect most often arises due to the following factors:
- Of course, a disorder violation and collapsed as well as for the front wheels, one of the main reasons for rising rubber.
- Occasionally happens, especially in relation to domestic cars of old models, that the rear axle has dependent wheels, and it is a solid beam, check the position of the wheels on which and adjust them is not possible. In such cases, the causes of the defect can be wounded in the non-projective bends of the most massive beam due to the contact of the car at the speed into a deep hole, and the problem will have to be corrected on the exhaust stand.
- During the tire of the wizard, irresponsibility is often showing, without using a dynamometric key when tightening nuts on the heels holding the wheel on the hub. In such cases, there may also be skewed and, as a result, eats rubber from the inside in front or from behind with all the ensuing consequences.
- Unlike the front axle, for correct adjustment of the rear wheels, all control measurements are extremely important with full tank, since it is located just behind, and gasoline can weigh up to 50-70 kg. Thus, when adjusting the angle of inclination of the wheel with an empty tank during the nearest refueling, it may well be signed by the auto and the beginning of the wheels.
Drinking rubber rear - The latter, which is particularly in dire with cars with a volume trunk, for example, SUVs, minivans or pickups - is the problem of overvolor, since drivers sometimes neglect the allowed curb weight of the car, the excess of which is often displayed in the state of the suspension and, as a result, affects the disorder of the wheels .
Why does the rubber approach from the inside of the wheel behind? Despite the fact that drivers often complain when eats rubber on the outside on the front axle, the rear axle is considered much more problematic in terms of its maintainability and the possibility of adjustment without significant spending.
Basic errors when adjusting the front wheels
Many experienced motorists faced such a problem when, after the next scheduled, the inner part of the front wheel is suddenly started. This is due primarily with violation of technology during adjustment of the convergence and collapse, since this procedure should be made on a special stand using appropriate equipment and professionally trained masters. If the procedure is carried out with violations, the result arises, called critical adjustments, which is expressed in the following criteria:
- Regardless of the class of a passenger car, when adjusting the collapse, it is desirable to withstand a negative angle index for the front axle, because the mechanism of rotation of the constant load from the engine leads them to equilibrium in this position.
- When setting up the correct angle of convergence, that is, the positioning of the wheels relative to the horizontal surface is necessary, on the contrary, to give the value only positive values \u200b\u200bto achieve the perfect balance while driving at high speed. It is such an adjustment that can ensure that the clutch stain with an expensive, if the wheel is not transferred relative to the regulatory values, it will accounterate to the entire area of \u200b\u200bthe wheel of the wheel, which in turn will provide the perfect traction effort and the transmission of the tire of all torque without any loss.
Kastera corner adjustment - The last important indicator, which many masters on tires neglected at all is Caster. This parameter is an angular value that characterizes the slope of the projection of the vertical plane in the wheel diameter relative to the perpendicular, lowered from the point of fastening the disk to the hub is strictly vertically. The importance of the correct positioning of this parameter is obvious, since the automatic return of the steering wheel in its original position is possible exclusively when providing proper adjustment.
- Accordingly, the correctly exposed steering thrust can ensure that the wheels will be exhibited strictly coaxially the trajectory of the movement, and during the ride there will not be the effect of their partial drift, which inevitably accompanied by erasing part of the protector.
For summer tires, the critical adjustment is not so apparel due to the increased rigidity of the testers and the operation of the wheel mainly throughout the sole of the support of it on the ground. In the case of winter tires, this parameter often has a decisive effect due to the fact that the soft protectors are abruptly quickly and themselves have a greater depth.
So, after 10,000 km of run after improper adjustment of the convergence and collapse of the tires, there may be a difference in the height of the tread on the central and internal part up to 5-6 mm, which indicates the need to replace them, since such a defect is not subject to any recovery even after Leveling wheels.
Correct adjustment of convergence and collapsed on a hundred If the driver notices one-sided wear on the sole of its tire, this should signal it about the need to appeal to the tireage in the near future. Otherwise, stirring rubber can lead to more serious consequences, up to the formation of hernia, or a sudden break of the wheel, which can be dangerous for the driver or its passengers, as the car loses control.
The car's tires are the only element of the vehicle that binds it to the road. Often car owners forget that rubber is an essential element of a car that directly affects. But when the tires wear out, every driver with chagrin understands that it's time to spend money on the purchase of new tires. . After all, sometimes rubber wear may indicate possible car malfunctions. In this case, the replacement of rubber on a new one may not help. For example, with some types of breakdowns, your new rubber may be premature in a short time. Let's look at the ten most on which it is possible to determine the cause of this wear, finding out the technical condition of the vehicle.
1. Wire of tread tread centered (in the middle)
What does it look like: At the same time, as a rule, the tread in the middle of the tires (example in the photo) is stronger than all.
Cause: If the bus is most of all in the center of the wheel, then this suggests that the central part of the tread has the most contact with the road surface, compared to the tread closer to the edges of rubber. Consequently, the car on which this rubber was installed had a not enough clutch with a road surface. Accordingly, the car was insufficient.
Most often, this wear says that the tire was incorrect. That is, the tire pressure did not match the pressure that the car manufacturer recommends. This type of wear indicates that the owner of the car did not check the pressure and with sharp drops of temperature on the street at which the pressure in the tires can vary significantly.
The fact is that while the tires are cold (for example, after frosty night) tire pressure may be lower than the manufacturer recommends. But after the start of the movement, the tire pressure begins to grow from air heating in it. As a result, after a certain distance traveled distance, tire pressure may exceed the maximum allowed rate recommended by an automaker. As a result, the pumped unevenly adjacent to the road surface, as a result of which the uneven wear of the tires in the center of the tread will be observed.
Some motorists are often advised to improve controllability and reduce fuel consumption, on the contrary to pump the wheels. But this is not justified. Yes, in this way you can slightly reduce the consumption of fuel and even slightly improve handling, but in the end you will pay for it by rapid tread wear.
That is, saving some money on fuel, you pay much more.
2. Tire hernia (bulking) and cracks on the side wall
What does it look like: Cracks and bulges on the side wall of the tire.
Cause: This usually comes from hitting the pit (pit) on the road, border, etc. Usually the tire is well protected from such shocks. But if the tire has insufficient pressure or is thrown, then as a result of the impact there is a great danger that the tire will be damaged. Large cracks on the side wall of the tires that pass along the rim of the wheels say that a long time was exploited with insufficient pressure. Small cracks on the side surface of rubber talk about external damage or the age of rubber (due to old age, the composition of rubber begins the chemical decay, as a result of which the tire begins to crack).
Tire hernia looks like bulging on the surface of rubber. Most often, the protrusion (hernia) appears on the side wall of the tire. Rubber hernia is associated with internal damage (layer of rubber). This usually occurs due to the blow side of the curb, pillar, etc. Most often after impact, the hernia (protrusion) of the wheel is immediately not manifested. That is, after hitting you can see the hernia only after a week or even after the month.
If you have noticed cracks or hernia on tires, it is necessary to buy new tires as soon as possible.
Remember that the use of rubber with hernia is very dangerous.
3. Celers in rubber
What does it look like: According to long observations, rubber with dents looks like in the photo. That is, the tire has the shape of tubercles and dents.
Cause: This type of tires is usually associated with (wear or damage to the elements of the chassis of the car). Due to the malfunction of the suspension softening strikes on the bumps is insufficient. As a result, the tire experiences overload from the blows taking over the maximum load. But the load is distributed unevenly over the entire surface of the tread. As a result, some areas of the tread are making more loads than others, which contributes to the formation of dents and tubercles on the tires.
Most often, a similar appearance of used tires is associated with bad shock absorbers. Although it is worth noting that any parts of the suspension that failed can cause such wear.
We advise you in case of detection of such a shin deformation, make full pendants and car racks in the technical center. We do not advise you to handle a similar problem on the tireage, i.e. In order to determine the cause of changes in the shape of the wheels. It is not uncommon when tire workers do not know that it may cause the appearance of irregularities (dents, tubercles) on the surface of the tread.
Most often, tire workers argue and believe that this is the cause of the wrong gathering of the collapse. But this is not a fact. As we have already said this reason can be associated with the failure of the shock absorber (s).
4. Diagonal dent with tread wear signs
What does it look like: A diagonal dent on the surface of the tread with an uneven deterioration of the tire surface.
Cause: Most often, this problem is found on the rear wheels, where the wrong collapse is incorrect. Also, such a deformation of the wheel may be associated with an insufficient rotation interval, as well as, sometimes such a change in the appearance of the tire can be associated with frequent transport of heavy loads in the trunk or in the car.
Heavy cargo can change the suspension geometry, which will lead to a diagonal deformation of the surface of the rubber tread.
5. Expanded tread wear on the edges
What does it look like: The internal and external protector has elevated wear, when as the middle of the tread is worn significantly less.
Cause: This is a faithful sign of insufficient. That is, the pressure does not correspond to the norm recommended by the manufacturer of the car. Remember that it is the most dangerous state of the tires. The fact is that with a reduced pressure in the tire, it is susceptible to greater flexion. According to the laws of physics, this means that when the wheel is rotated, the tire will accumulate more heat. As a result, the rubber will not evenly lie down to the road surface and, accordingly, we get uneven rubber wear.
Also, insufficient pressure in the tires will lead to the fact that the rubber will not be enough to soften the blows on the road, which will naturally directly affect the suspension. Over time, this tough impact on the suspension can lead to its premature failure, and also affect the similarity of the collapse.
How to avoid the problem of non-prescribed (insufficiency of pressure) tires: We again return to the fact that each driver must regularly check the air pressure in wheels, that is, every month or each time after a sharp temperature drop on the street. Also remember that the cooled wheels (when parking at night) can show the pressure below than is recommended by the car manufacturer. But with a long trip, due to air heating, the pressure may exceed the norm.
The fact is that this system, as a rule, warns you about changing the pressure in the wheel or with a sharp pressure fluctuate (for example, a sharp drop in the tire pressure by more than 25 percent), or with a significant reduction in pressure for a long time.
In other words, the pressure warning system in wheels can work only when tire pressure is significantly less than necessary. This means that you risks for a long time to travel on wheels with insufficient air pressure.
6. Convex side of the lateral tread
What does it look like: Side protector units are usually similar to bird plumage, have. Lower edges of the tread blocks are rounded when both higher edges of the blocks are sharp. Please note that you cannot notice this type of wear visually. This can only be understood when an inspection of the tread from the edge and to the touch, i.e. Using hands.
Cause: At the same time, it is primarily to check the ball hinges and the wheel bearing.
It is also necessary to check the stabilizer bushing, which, in case of failure, can lead to improper operation of the suspension stabilizer, which ultimately leads to this type of rubber tread wear.
7. Flat Wear Spots
What does it look like: One stain on the wheel has more wear than another.
Cause: Single stains of increased wear on the surface of the tire are often found with a forced cutting braking or driving, or when spoiling from the situation in order to get away from the impact (for example, if no other animal ran on the road unexpectedly). Especially similar wear will be visible after sharp braking with simultaneous drift, if there is no in the car.
The fact is that with a sharp braking and reservation in order to escape the car without ABS is more pronounced with blocked wheels, which will lead to about this type of worn spot on the tire protective.
Also, such spots may appear in cars that were parked for a long time.
Remember that with a long parking lot of the car, you risk tires, where the wear spots will appear on the tires of your car due to the uneven distribution of the car's weight to those. The fact is that during parking the rubber protector comes into contact with the surface not completely and in the end, a certain area of \u200b\u200brubber is deformed from a long parking lot.
8. Wearing the front edge of the tread
What does it look like: The front edge of the tread unit is worn, and the rear of the tread has more sharp corners. Please note that this type of wear may not be seen when visual inspection. Therefore, check the hand protector with the edge. If you notice that some tread corners are sharper (as a teeth on hacksaw) compared to other tread faces that are smoother, then these are real wear, and not the norm, as many drivers usually suggest.
Cause: This is the most common wear of tires. So, like this type of wear of the tires occurs very often and many car owners think that this is the norm, then it is not. In fact, this wear indicates that the wheel has insufficient rotation. Therefore, it is necessary.
Most often, the cause is associated with the wear of the suspension elements (SalentBlocks), with wear of the ball supports, as well as due to the wear of the hub bearing.
9. One-sided wear of tires
What does it look like: One side of the tire is more worn than the other.
Cause: Usually, when this type of wear, the cause may be the wrong gathering the collapse of the car. This type of uneven wear of the rubber tread is associated with the fact that it is not exactly on the road surface due to improper gathering-collapse.
In order to set the wheel exactly in relation to the road surface, it is necessary to adjust the gathering collapse.
Also, such wear can occur with damaged springs, ball hinges, suspension sleeves. Including, unilateral uneven wear of the tread can appear during transportation by car heavy cargo.
In addition, some models of powerful sports cars have a special similarity-collapse, which leads to similar non-uniform wear of the tires. But it is rare.
10. Tire wear to indicator
What does it look like: Many tires between the tread have wear indicators. As a rule, these are special inserts that help you determine when you need to change the tires to new ones. Usually the height of these inserts is lower than the height of the tread. As soon as tire protector in height comes with wear indicators, it is necessary to purchase.
Cause: Usually replacement of rubber should occur after the height of the tread has become lower than the manufacturer of tires recommends. It is not always easy to determine for the eye. Therefore, many companies tire manufacturers are installed on tires (between the tread) wear indicators. As soon as the height of the tread is wear out to the height, which indicators have, then it's time to change the wheels to new ones.
The rubber protector with a certain depth is necessary in order to divert water from the tire and prevent car aquaplaning on a wet road.
If your tires do not have a wear indicator, then you can independently measure the tread depth, in order to understand whether the time has come to buy new rubber. To do this, use the coin that the edge must be inserted into the protector and measure the depth. You can read more about traditional tire wear here or familiarize yourself with infographics given by us.
Attention! For summer tires, the minimum tread depth should be at least 1.6, 2 or 3 mm (depending on the rubber manufacturer).
For winter rubber, the minimum safe tread height should be at least 4-6 mm
