Features of replacing the rear brake cylinder 2114

Rear brake cylinder VAZ 2114

It’s not uncommon for many car enthusiasts, including the domestic auto industry, to have a problem with their brakes. This type of car malfunction is the most dangerous and there are many reasons for this.

According to their principle of operation, brakes can be:

• foot hydraulic;
• manual, mechanical locking.

VAZ 2114 cars are equipped with drum brakes in the wheels in which the rear brake cylinders are installed. But, in other respects, as on all manufactured cars. The only differences can be in the type of blocking element: disk and drum. But also according to the manufacturing technology of the brake cylinders themselves.

Where is the brake cylinder located? The rear cylinder is located at the rear on the inside of the metal casing. In order to find it, just look under the car and above the bridge you will immediately see tubes through which it is simply difficult not to find it.

Location of the rear brake cylinder on a VAZ 2114

How to remove and install the rear brake cylinder on a VAZ 2114, 2113, 2115

The rear brake cylinder is responsible for effectively braking your car. Therefore, you need to check its operation from time to time. After all, your safety on the road depends on it. It is located under the rear wheel drum. To gain access to it, you need to remove the wheel and pull out the drum.

Selecting a brake cylinder.

Today there are a huge number of manufacturers of spare parts for cars. And it’s easy to get confused when choosing quality spare parts. In order to make a choice, you can read reviews on the Internet. We also read and came to certain conclusions. The most reliable brake cylinder is considered to be the ATE cylinder. The cylinder is also not inferior to it. You can also look at Kraft products.

How to determine a faulty brake cylinder.

The first sign of a problem in the brake system will be a brake fluid leak. You can also evaluate the condition of the cylinders when replacing the rear pads. Usually the rubber bands in the brake cylinders break and the pistons become sour. Of course, they can be repaired, but it is much easier to replace them with new ones, since they are not expensive. In stores you can find cylinders for around 400 rubles.

Mechanism diagnostics

Checking the brake cylinder is quite easy; to do this, you need to hold down the brake pedal with the engine off. And then start the car without taking your foot off the pedal.
If it “fails” under the influence of vacuum, then the system is in perfect order. If not, diagnostics and restoration of the tightness of the connection of the reverse regulator, which is located on the housing of the intake manifold amplifier, is required. Today, the price of the VAZ 2114 master brake cylinder is low, from 800 rubles. Of course, you can save money and buy a repair kit by replacing the cuffs on the vacuum side of the system, or new rubber bands.

But will this be advisable? New devices will wear unevenly in relation to the old ones, which may lead to the ring breaking or other trouble. So it’s better to buy and install a new gas turbine engine, improving the functionality of the entire system.

If the functionality of the master cylinder is impaired, irregularities in engine operation, decreased dynamics when driving the car, fluid leakage, etc. may occur. Experienced drivers know that they need to clamp the vacuum hose with the engine running, and if the signs of malfunction disappear, it means that the system’s brake booster has failed.

Replacing the master brake cylinder of a VAZ 2114 includes simple manipulations that will be easy for every motorist to perform.

Replacing the rear brake cylinder.

1. The first step is to remove the brake drum.
2. Raise the handbrake all the way.
3. Remove the cap from the bleeder fitting and use a size 8 wrench to completely unscrew it.
4. Lubricate the fitting with grease.
5. Loosen the brake pipe fitting.
6. We finally unscrew the fitting.
7. Unscrew the 2 bolts securing the working cylinder.
8. Place the fitting cap on the tube to prevent brake fluid from leaking out.
9. Remove the brake cylinder from the shield.
10. Before installation, we clean everything from rust and dirt and degrease the working surfaces.
11. Reinstall the brake cylinder in reverse order.
12. Reinstall the brake drum.

We bleed the brake system and check everything for leaks.

Features of replacing the rear brake cylinder 2114

It is well known that the serviceability of the brake system in a car is of great importance, since it is directly related to road safety. Therefore, if any problems occur in this system, it is necessary to urgently repair and replace parts that are problematic.

Rear brake cylinder

Examination

You should make sure that the master cylinder is the culprit for the malfunction of the brake system. This is easy to do; you don’t even have to go to a service center and spend money on it.

Unit location

1. Press the brake pedal with the power unit off.
2. Start the engine without taking your foot off the gas pedal.
3. During normal operation, the gas turbine engine fails under the influence of vacuum.
4. If the pedal does not fail, you will need to conduct more thorough diagnostics and restore the device to functionality.

We recommend: Advantages of a turbocharged car

Most likely, you will need to restore the tightness of the return regulator connection. It is located on the intake manifold amplifier housing.

Repair kit or new GTZ?

Many car owners face a question when the brake master cylinder fails: how exactly to repair the brake master cylinder. After all, there are two main options:

• Purchase a new GTZ;
• Use repair kit.

First, let's take a look at the price tags.

Purchasing a repair kit and using it to restore the functionality of the brake cylinder entails uneven wear of old and new elements, breakage of rings and a number of other problems. In this regard, we advise you to eliminate the breakdown by completely replacing the gas turbine engine, and not by using a repair kit.

BRAKE SYSTEM

All modern cars have a hydraulic brake system, and discs or drums are used as braking elements. Discs are considered more efficient in their action, but drums do not wear out longer. The brake system of the VAZ 2114 contains the following parts:

• Brake master cylinder;
• Front caliper (right and left, they are not interchangeable with each other);
• Rear brake service cylinder (one for each rear wheel);
• Vacuum booster;
• Tubes;
• Hoses;
• Disks (on the front wheels, identical to each other);
• Drums (on the rear wheels, interchangeable with each other).

From the cabin, the system is controlled using a pedal, the free play is regulated by a rod.

Leveling up

After replacing any cylinder in the vehicle, it is necessary to bleed the brakes. Bleeding on any car always begins with the furthest wheel from the GTZ. On all VAZ cars, first of all, they start pumping the brakes from the rear right wheel, then move to the rear left, right front, and the front left wheel is pumped last. If the brake pedal takes at the very end or is hard, bleeding should be repeated, the work should be done according to the same scheme again.

FAULTS

Symptoms of a malfunctioning TTS:

1. The brake fluid leaves the reservoir;
2. The rear drum is wet, fluid leakage is noticeable;
3. The braking efficiency has disappeared, the pedal “takes” at the very end of the stroke, sometimes not from the first stroke.

1. Natural wear and tear;
2. The cuffs are corroded due to mixing different types of brake fluid;
3. Poor quality of the part;
4. The pistons were squeezed out due to severe wear on the pads.

It happens that the pistons inside the housing become jammed. If this happens with the pistons spread apart, the car begins to constantly slow down and the drum overheats. You cannot drive with such a defect; the car must be urgently repaired.

There is one nuance that is worth focusing on. Often, when bleeding the brakes, technicians try to unscrew the bleeder fitting on the cylinder and break off. Even WD-40 doesn't help. This happens due to the fact that over time, the “pumping” begins to boil in the ZTC body. Therefore, before bleeding the brakes, you should have a supply of new replacement parts.

There is also a tricky way that will help you avoid breaking off the fitting. Before unscrewing, you must carefully (do not break the fitting with a hammer!), but thoroughly tap the housing around the bleeder fitting and try to move it out of place.

After this, without using much effort, we try to weaken the “pumping”. Doesn't work? Then tap again. Most likely, patience will be rewarded, and problems associated with unscheduled cylinder replacement will not arise.

REPLACEMENT

the rear brake cylinders in pairs at once, even if only one of them is leaking . To replace, you will need the following tools:

• Car jack;
• Wheel key;
• Wheel stops;
• Keys for 10 and 12;
• Hammer;
• A wooden block (or better yet, a brass or bronze drift);
• Brake bleeding wrench.

Replacing the rear brake cylinder on a VAZ 2114 occurs as follows (if there is no car lift):

• We loosen the bolts on the rear wheel, lift the car with a jack, and remove the wheel;
• We unscrew the two bolts on the drum (they also serve as guides for the wheel) with a 12mm wrench;
• We remove the drum. If it does not come off, tap it with a hammer through a drift or wooden block. Important! You cannot put the car on the handbrake; the handbrake lever must be fully released;
• Removes the pads;
• Unscrew the brake pipe with a 10mm wrench;
• Unscrew the two cylinder mounting bolts (also a 10mm wrench).

What is a brake cylinder and what is its working principle?

The brake cylinder is one of the main elements of the brake system. The rear brake cylinder body is made of alloy. Do not confuse the rear brake cylinder with the master cylinder. The main brake cylinder is designed to convert brake fluid pressure into fluid pressure, and the rear brake cylinder on the wheel is designed to convert brake fluid pressure into brake pressure on the pad. In other words, the rear brake cylinder presses on the pads, thereby stopping the car.

Which brake brake should I choose?

The modern market is full of different types of rear brake cylinders, so when buying this element, it is not easy to make a choice. Numerous reviews on the Internet will help us with this. Having studied the content on this topic, we came to the following conclusion: By and large, all brake cylinders in the same price category have the same quality, but the rear brake cylinder from ATE turned out to be the highest quality and most desirable. Our Basalt, which is one of the best domestic manufacturers of these products, does not lag behind.

Signs of a bad rear brake cylinder.

The first and most important sign of a brake cylinder malfunction is a brake fluid leak. But as a rule, the condition of the rear brake cylinder can be fully assessed when removing the drum, so most often it is changed along with replacing the rear pads (How to replace rear brake pads?) and replacing the handbrake cable, which is not good and is fraught with consequences.

Most often, the pistons in the rear brake cylinders become sour, rubber bands break, and the like. In principle, the brake cylinder can be repaired, but it is better to simply replace it with a new one and not waste a lot of time and effort, since the price for them is not outrageous.

Some tips

• If you start having problems with the brakes, first of all you need to carry out an external inspection of the vehicle: check the fluid level in the reservoir, make sure that the front/rear cylinders are not leaking. There should not even be stains of brake fluid in the brake hydraulics.
• “Brake fluid” must be filled with the same brand; it is recommended to completely replace the brake fluid at least once every two years.
• If faults are identified in the gas turbine engine, and it has already served for at least a year, it is more advisable to replace it completely than to repair it. The same can be said about the rear working cylinders.
• Before changing the turbocharger, the brake fluid should be removed from it; this operation is usually done using a syringe.
• Usually a leak in the master cylinder is not visible, but if there is any suspicion that this part is faulty, you should remove the main cylinder - there will be traces of leaks at the rear, and this indicates its faulty condition.
• If, during an external inspection, cracks were found on the brake hoses, it is better not to take risks and immediately replace the defective parts.

If you find an error, please select a piece of text and press Ctrl+Enter.

How to replace a brake cylinder?

To replace the brake cylinder we will need a jack, wheel wrench, keys, some brake fluid, wd-40.

1. First of all, put the car in 1st gear and remove the handbrake.
2. We use a balloon to loosen the rear wheel and support the front brakes with “shoes” so that the car does not roll away.
3. Place the jack and remove the wheel.
4. Unscrew the guide bolts as shown in the figure.
5. We try to turn the drum by hand. If this doesn’t work, then take a small sledgehammer and a wooden block and apply the block to the surface of the drum and hit the handle with the sledgehammer. We carry out this operation on the entire surface of the “rim” of the drum until we use our hands to move the drum from its place.
6. After turning it 30-40 degrees, screw the guide bolts back into the drum. The purpose of this procedure is to remove the drum.
7. After removing the drum, pull the handbrake all the way.
8. Then remove the cap of the brake cylinder fitting and use an “8” spanner to unscrew the fitting.
9. We carefully treat the brake pipe fitting with wd-40.
10. We take the key to “10” and loosen the fitting, after first clamping the tube so that it does not rotate.
11. We completely turn out the fitting with the key “10”.
12. Using the same key, we unscrew both brake cylinder fasteners.
13. We put a rubber cap on the brake fluid pipe.
14. We take out the cylinder.

Necessary tool

In order to replace the brake cylinder you will need the following tools:

1. wheel wrench;
2. jack;
3. WD-40;
4. socket wrench 10;
5. a device for unscrewing fittings if necessary;
6. metal brush;
7. rags;
8. pliers;
9. a screwdriver or pin for tensioning the springs.

Before starting all types of work, be sure to provide a place for laying out all spare parts; when removing them, it is advisable to remember the sequence and methods of removing them. This will make the reverse process much easier. In addition, before such a procedure, it is advisable to stock up on a set of brake pads, because they still need to be changed every year depending on the intensity of driving. And besides, they don't cost that much. So, having everything listed in our arsenal, let's get to work.