In absolutely any car, regardless of brand and year of production, the key element responsible for safety are the brakes. If when braking hits the brake pedal, it's not a good sign. The appearance of such effects may require full diagnostics of the car. Let's look at typical causes of this phenomenon.
When pressing the brake pedal felt runout, then there must be an urgent and complete diagnosis. This should apply to quality service center, where qualified specialists work. However, to identify the reasons why hits the pedal when braking, you can own. This method is suitable for experienced motorists.
Often the beats occur at high speeds. So, there is a pattern – higher speed – greater vibration. Often they can be felt on the brake pedal, but on the car body and steering wheel. These beating very hard not to notice. If the vibration is felt more on the body than on the elements of the system, the brakes in this case are not the cause. But to check them carefully still recommended.
Among the most common and popular reasons can distinguish broken and damaged disks. They, in turn, can fail due to various injuries or deformities. Discs break down due to critical temperature changes. When braking, the item instantly heats up and then cools down dramatically as well. It is because of these temperatures and the case of different curvatures. If when braking hits the brake pedal, then you should carefully check the item for damage, cracks, deformations. In identifying the slightest of defects, damaged parts should be immediately replaced. To check where exactly installed the defective drive, use the handbrake. In this case, if the vibration is gone, then the culprit is the front.
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Also, sometimes vibration can occur due to corrosion, but the wear of the working surface in this case may be normal. In this case, it is recommended to machined wheels. This should be done by a skilled Turner. However, there is a technology of cutting directly on the machine without removing your discs. This procedure is much cheaper. You also need to be convinced of correctness of installation disks. On a bad mount on the mating surface, the deceleration will be accompanied by the effect of the runout.
But even after installing the best quality discs, problems can still be felt. Often hit the brake pedal when braking for the first hundred mileage of the car. The reason – a sharp decline or deterioration in performance of the whole system.
To solve this trouble use running-in of drives. However, even if it did its effect, it is recommended that a thorough diagnosis. Special equipment can help pinpoint the reasons for the beatings.
Among the faults of the brake system in the vehicle can be pads. This problem is "cured" very easily. A fairly simple replacement and run-out stops. Often hit the brake pedal when braking due to so-called "zalipanie" rear pads. If too often and sharply to press a pedal when driving at high speed, the low-cost elements can be painted. In this mode, they wear out quickly. The solution is simple - replacement.
This fourth reason, because of which the pedal can't work in normal mode. This often happens at ‘gazelles’. There to deform the rear brake drum and, therefore, has the brake pedal when braking. "GAZelle" is equipped with rear drum brake. If it is in disrepair, it is natural that there are vibrations.
This is the last of the most common causes of wobbling and vibrations on the pedals. There are cases when both front and rear cylinders of the brake system will turn sour. It contributes to a variety of faults.
To defeat this problem, you can do without a replacement – the problem is solved using WD-40. Enough to sprinkle this miracle tool, and maybe the brakes will work as needed and intended by the engineers.
If, after examining typical and popular fault still hit the brake pedal when braking, then the problem should be sought in other unexpected places. Other problems that can cause the effect of the vibration or beating can be attributed to worn out in the process of operation of wheel bearings. The situation may correct replacement. In addition, due to the operation of the levers wear on the front wheels.
Also vibration can be caused razblokirovanie wheels. In this case, the pedal gets, but the main knocks are given still to the body. To solve this question is simple – in the simplest case will help balancing. In the worst case the wheel will haveto replace.
If you've checked everything but I couldn't figure out why hitting the pedal when braking, you should check the tightness of nuts, bolts, and other fasteners. Not until the end of the tightened fasteners may be the culprit of the appearance of backlash. At high speeds it can cause significant runout, and check in such cases typically the brakes.
Sometimes to beat on the brake pedal and added vibration on the steering wheel. The reasons for this effect are many. This imbalance, worn brake pads, tie rods, driveline.
Even If it seems that the wheels are perfectly balanced, it's not a guarantee that everything is really good. To find out whether this is so, you need a special stand. Balancing is recommended for all wheels at once.
A Common problem of domestic cars and foreign cars – the wear of the front pads. Because of this and hits the steering wheel. To diagnose, the machine is set up on the pit and inspect the pads and rotors. If there is serious wear and tear, then only replace if the wear is small, then you need to look for the real reason. Often when braking hits the brake pedal (VAZ-2110 is no exception), as well as the wheel. Experienced motorists recommend to check the rear pads and the entire system if the vibration felt on the pedal, and if on the wheel – then look at the front brakes.
The wheel has wear lugs on the steering rods. You need to look for the shat in these mechanisms. If the jerking was no freewheel, then rodding is all right. If the pull is loose, you should replace it, but this operation implies the subsequent procedure alignments.
It would Seem, and here it is, however, experienced mechanics say that the causes of vibration at Pedale and the steering wheel can hide in this transfer. When worn universal joints can be felt and vibration, and runout. You can check the status of frogs and, if necessary, replace the worn hub. Such problems often occur in ‘gazelles’.
Experienced motorists recommend to carefully check the entire suspension. The Reason could be hiding anywhere. So, there are cases when hitting the brake pedal when braking (VAZ-2114 is no exception) due to faulty or worn out ball joint. It is the first thing to check.
To survey the car jacks and a ball bearing mounted so that the wheel hung in the air. Then the palm of one hand take the wheel for the upper part, and the second hand on the bottom. Hands to sway the wheel. If the reel is felt, the ball joint must be replaced. This should eliminate vibration and knocks.
This moment also cannot be ruled out. Sometimes it happens, but the situations are very different. If you replace the wheels you (or masters) in a hurry to finish the job, we could not fully tighten the mounting bolts. Such carelessness may not only lead to vibration and wobbling on the pedals. So you can lose the wheel. As you can see, a lot of reasons. They are all different. They all cause the same effect. You should carefully monitor the condition of the vehicle, if necessary, promptly replace worn parts and assemblies. It is also worth listening to the recommendations of the car manufacturers.
So, we figured out why hitting the brake pedal when braking.
Article in other languages:
AR: https://tostpost.com/ar/cars/19601-why-has-the-brake-pedal-when-braking.html
BE: https://tostpost.com/be/a-tamab-l/31827-chamu-b-e-pedal-tormazu-pry-tarmazhenn.html
DE: https://tostpost.com/de/autos/32141-warum-wird-das-bremspedal-beim-bremsen.html
ES: https://tostpost.com/es/coches/32446-por-qu-da-en-el-pedal-de-freno-durante-el-frenado.html
HI: https://tostpost.com/hi/cars/17477-why-has-the-brake-pedal-when-braking.html
JA: https://tostpost.com/ja/cars/19930-why-has-the-brake-pedal-when-braking.html
KK: https://tostpost.com/kk/avtomobil-der/31174-nege-rady-bas-yshy-tezheg-shter-tezheu-kez-nde.html
PL: https://tostpost.com/pl/samochody/31066-dlaczego-bije-peda-hamulca-przy-hamowaniu.html
PT: https://tostpost.com/pt/carros/31088-por-que-bate-o-pedal-de-freio-durante-a-frenagem.html
TR: https://tostpost.com/tr/arabalar/34819-neden-yener-fren-pedal-fren-yaparken.html
UK: https://tostpost.com/uk/avtomob-l/31153-chomu-b-pedal-gal-ma-pri-gal-muvann.html
ZH: https://tostpost.com/zh/cars/16963-why-has-the-brake-pedal-when-braking.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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