Bulkhead caliper: description, features and device

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2020-01-30 23:20:17

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All vehicle systems are important components for comfortable and safe movement. However, the brake system deserves increased attention, since it affects how safe is the vehicle. And its main component is the caliper, which from time to time becomes unusable. Due to the presence of a malfunction of this mechanism it is impossible to stop the car. And just overhaul the caliper will solve the problem.

Bulkhead caliper

The Braking system is represented in several details, but the key role given to him. It is necessary to consider this component in more detail to figure out what could be the main cause of the malfunction of the entire brake system.

Drum brake

The Cars are usually equipped with disc or drum brakes. At the same time as the caliper is mounted on a disk brake system, while another used drum. Each system has its advantages and disadvantages.

The Cons of drum brakes can be considered the following points:

  • Brake drum expands as it warms, which have to exert significant effort.
  • During deceleration there is a possibility of gas formation, which play the role of lubricant for the brake system is very critical and unacceptable.
  • Drum design is prone to “sticky”, with the result that the wheels are in constant “inhibition”.

Many manufacturers have tried to eliminate these disadvantages or at least to reduce them to a minimum. Eventually, it became clear that the best solution is to replace them with disc brake design. However, a small budget car picking continue to be equipped with drum brakes, but only rear wheels, and the front is already disc.

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Bulkhead brake caliper

The main advantage of drum systems can be considered low cost in comparison with analogues. In addition, they are while in the back of the car, less subject to contamination.

Disc brakes

Disc brake system far more, as everyone knows who has ever engaged in overhauling the caliper. And if drum brakes are a design of closed type, there is, on the contrary, everything is open. Between the brake pads and disc is the air that can cool the entire mechanism. And thanks to the through-holes and special grooves on the disc excludes its contamination. It is because of the closeness of the brake drum “sticky”, but in the case of the disk design this deficiency simply does not exist.

Unfortunately, nothing in this world is perfect, including disc brakes. Primarily the main drawback lies in the high cost. Openness also plays a bad joke, because of this, the discs are subjected to external mechanical influences (dirt, sand, dust), which resulted in scratches.

Varieties of brake caliper

The Most common system brake calipers are;

  • Fixed design;
  • Calipers with a floating head.

Fixed mechanisms appeared before their opponents. And bulkhead caliper of this type is easy. Their design was a metal housing with cylinders arranged opposite each other and in the vicinity of the brake disc. Mechanism mounted on the suspension system (knuckle) and is always in a fixed position.

Bulkhead front caliper

When the pads are not involved, they are held by special springs. But as soon as the driver presses the brake pedal, they are pushed to disk. Efficient operation is ensured by the system hoses, tubes and special tubes through which the brake fluid is supplied to all cylinders simultaneously.

The Fixed structure of the brake caliper is ideal for all vehicles with powerful engines, capable of developing high torque. In particular, this model of a representation class and racing cars. Such mechanisms produce the world famous company, for example Brembo.

Callipers with floating caliper are different in that their design is one of the brake pads fixed that you may notice in the course of the refit the caliper, which is fixed to the inner part of each wheel. In the design, in addition to cylinder included bracket and the piston (one or two). When braking, the piston starts to press the pad to the disc, after some time the floating bracket is shifted to the piston guide. Thanks to this is activated the second brake pad.

This design is cheap in price and with their modest size applies to cheap cars with simple equipment.

Working Principle

The Main task entrusted to the caliper – ensuring the necessary efforts to slow or stop the vehicle. Each pressing a brake pedal in the pipeline to create a pressure. It is transmitted to the pistons of the caliper, which, in turn, uses pads. The mechanism provides a strictly parallel movement of the pad relative to the brake disc. As a result of the part tightlysqueeze the disc, which leads to a deceleration.Bulkhead rear calipers Audi

But there is one key point that you should know before moving to the bulkhead front caliper, – this friction. As the pads pinch a rotating disc, the heat can not be avoided. And this goes for the actual pads, and calipers. The temperature of the brake fluid also increases. This fact poses many manufacturers the implementation of major requirements.

First of all calipers must be made from a material that:

  • High strength;
  • Has a high degree of heat;
  • Resistant to high temperature.

The Last point is particularly important since heating typically leads to deformation of the object.

Diagnosis, major signs and causes of failure

During operation of the vehicle there is a natural wear of the braking components. And the first sign that she needs in a timely examination can be very unpleasant for most drivers the scratch. It most often indicates a faulty caliper. In this case, the brake pads touch the disk, not parallel, which leads to uneven abrasion.

A List of other signs, which may need to overhaul the brake caliper:

  • Significant effort that must be applied to the driver to stop the car.
  • When slowing down the car starts steadily to the side.
  • The brake Pedal is pressed too easily.
  • There is pulsation of the pedal.
  • Brake primatyvajutsja.

What can be the reason of such behavior of the caliper? In most cases it is the fault of a leaky boot, which gets into the dirt and dust. But due to inadequate lubrication there is a rust.

Prevention

The Faulty car is considered unsafe, and a car with faulty brakes is already a serious danger for other road users. And if crept into any signs of wear in the brake system, you must immediately resolve them, not ignore them.

Bulkhead calipers Nissan

It's enough with a certain amount of time to conduct a visual inspection of all brake components and make a bulkhead for the rear calipers Audi or any other vehicle. This can be done by yourself or by periodically driving the car at the station with the aim of a routine inspection.

As for the gap, it is necessary to diagnose through every 30-40 days. During visual inspection, special attention should be paid to the condition of rubber seals. If there are small gaps in time eliminate the trouble, so how it got pollution lead to premature wear.

Maintenance of the braking system

To the car it was possible to make a comfortable and safe trip, it is necessary that the brake system always in serviceable condition. It is enough to perform maintenance of all its parts.

For the care of the caliper must be removed to disassemble and lubricate all moving parts. Nothing complicated in this, however, only a few are engaged bulkhead calipers of a Nissan.

If the driver regularly travels by car, there is a need to completely replace the brake fluid. To make this possible every two years. This is due to the fact that the liquid during operation of the vehicle is able to attract moisture, causing the braking system drops significantly.

If a visual inspection reveals liquid stains, you should immediately fix the problem. So you can avoid serious breakdowns of the whole system and at the same time to protect yourself and others.

Bulkhead caliper Lacetti

Brake pads also deserve attention and with obvious wear and tear are replaced immediately. Products many manufacturers have a high degree of safety and quality. In addition, they are made so that pads signaled to the owner about its condition.

The Kit

To facilitate the bulkheads caliper "Lacetti" exist specifically designed for his kits. In fact, this set of small spare and consumable parts. As a rule, it consists of:

  • Sealing rings;
  • Guide;
  • Adjusting screws;
  • Adjusting devices;
  • Lubricant.

Depending on the brand of machine and the manufacturer of the kit, the composition can walk, and other elements, but these components are a standard range of almost any kit.

It is Worth noting that the device front and rear calipers one machine is different. It will have to purchase two sets. Thus it is necessary to choose the option that is most suitable to the car according to its documentation.

Service the front calipers

The Work easier to perform on a lift, or you can use the Jack. Lifted the front of the car and removed the wheel. Next is to Unscrew the bottom bolt of the caliper and then fold up its body. Generating the bulkhead of the rear calipers "Audi S4", you should assess the condition of the pads and, if necessary,replace them.

Then you need to Unscrew the top mount, hose it off. Then remove the bolts that hold the caliper bracket on the knuckle. After removing the staples, you can go to piston removal. To do this, press the brake pedal – pressure will do the rest. You should immediately plug the brake line, for example M12.

Bulkhead caliper Audi A6

Need to completely disassemble the caliper and clean it from dirt and grease you need. In the service process to use a purchased kit for your car. All damaged parts are replaced with new, and at the end of the mechanism is collected in reverse order.

Maintenance rear calipers

Device rear calipers is slightly different from the front because the rear wheels are connected with the hand brake. Already lifting the rear of the car, remove both wheels. The handbrake cable must be disconnected, the same applies to the split pin that connects the handbrake mechanism and caliper.

In the course of the refit the caliper "Audi A6" need to drown out the brake line (same method) and Unscrew the fastening elements of the caliper. Open access to the stocks that you want to inspect.

The Bracket of the brake mechanism are held by bolts screwed to the control arm. Remove them too, and the brace together with clamps and guides. In the caliper the piston can be removed with pliers or Ushguli. In the future, the same actions – assessment of the parts, replace seals if necessary, grease if there's a leak. Then assemble the caliper in the reverse order, not forgetting to put the wheels.

In conclusion

Because brake fluid will still be shed, you must check its level and refill if necessary. It's also essential to bleed the brakes. All the work is not anything complicated, and you can cope on your own. Only maintenance is when a scheduled operation to replace brake pads.


Article in other languages:

HI: https://www.tostpost.com/hi/cars/24321-bulkhead-caliper-description-features-and-device.html

PL: https://www.tostpost.com/pl/samochody/40659-przegroda-hamulca-opis-funkcje-i-urz-dzenia.html

PT: https://www.tostpost.com/pt/carros/40139-aperto-da-pin-a-de-descri-o-caracter-sticas-e-dispositivo-de.html

ZH: https://www.tostpost.com/zh/cars/49081-bulkhead-caliper-description-features-and-device.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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