MasteraVAZa » Rear disc brakes VAZ 2110 and their replacement

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Braking system design

The most important component of the VAZ 2110 brake system circuit is a vacuum booster and a dual-circuit regulator. The latter is responsible for creating pressure in the rear brake devices.

The brake drive is equipped with a piping system, which is divided into two circuits, brake devices and hoses. They allow the front and rear wheels to brake.

To activate the braking system, a special pedal is located inside the passenger compartment at the driver’s feet. In the VAZ 2110 car it is located in the middle. The main elements of the hydraulic drive are:

Vacuum booster. Its design helps create pressure directed towards the master cylinder piston. This creates a braking effect.
Pressure regulator drive. Through it, the brake fluid is directed to the rear devices of the braking system.
Directly the brake pressure regulator of the VAZ 2110. Its function is to be responsible for the pressure force. The unit reduces or increases this indicator, depending on the load on the rear axle of the car.
Master cylinder with reservoir and pistons. On the filler neck of this tank there is a sensor that monitors the emergency level of brake fluid.
Front wheel brake mechanism. Its design includes cylinders, pads and a disc, plus a special alarm that warns of wear or malfunction of the lining.
Rear wheel brake mechanism. Here the system is not disk, but drum. At least, this is the design the factory envisages. Some VAZ 2110 owners believe that drum mechanisms are not reliable and efficient enough, and therefore install disk devices in their place.

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Advantages of disk mechanisms

Accessories

The main advantages of replacing drum brakes with disc brakes include:

Increased reliability when braking;
Reduced braking distance;
Uniform distribution of braking force, which is especially important for a front-wheel drive “ten”;
The brakes respond faster when you press the brake pedal;
Unsprung masses are reduced;
More efficient cooling when driving in mountainous areas and during sudden acceleration or braking;
Disc mechanisms are easier to replace and dismantle;
There is no need to adjust the handbrake after each repair. You only need to do this once after installation and that’s it;
Discs do not freeze in winter after washing, unlike drums;
Disc mechanisms allow you to detect pad wear in a timely manner.

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How to remove the pads

In order to remove defective rear pads from a VAZ-2110, you need to prepare the following arsenal of a car mechanic:

a jack is needed to raise the rear of the car
key 12, it will become the main tool in our business
pliers are useful for removing parts
hammer, yes, you will have to make physical efforts to knock out old parts
a screwdriver, a good helper in removing old pads
the block is an excellent stand.

Work begins

The very first thing you need to do is put the car on a jack.
Remove the rear wheel and disc. We can see the drum ( 6 ), which is attached to the entire structure with two bolts (cotter pins ( 7 )). These need to be removed. Here you will need a 12mm wrench (you can also use a 12mm wrench , it is just suitable for working with tens pads.
Remove the brake drum ( 6 ). This is probably the most difficult thing in the process of replacing the rear pads, because over the years of the car’s service the drum “sticks” almost tightly, and in order to remove it without damaging it, you will have to work hard. A hammer will help here by tapping the drum, but before doing this, it is important to place a previously prepared block to prevent deformation of the drum, otherwise it won’t take long and break into pieces, which we, of course, don’t need.
Carefully and slowly remove the spring securing the rear pads of the car. The spring is removed using pliers or a simple screwdriver( 9).
Now you should disconnect the spring ( 8 ) fixing the block on the shield ( 1 ).
Loosen the upper spring ( 3 ), which secures the unit. In order to weaken the spring, you need to turn the block a little to the side, about 50-60 degrees .
To remove the unit, carefully remove the part from the support and brake cylinder ( 2 )). To do this, you need to grab the block ( 4 ), which is not connected to the handbrake (a sorcerer in common parlance). We pull the part as if we are trying to move the pads apart from each other. You will have to loosen the part several times until it is disconnected and pulled out.
In order to remove the second block, we disconnect the handbrake rod (sorcerer) from the cable. Now the block is easy to pull out

The process of removing the units is completed, now you can begin replacing the old pads with new ones.

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pros

Let's look at why disc brakes are better than drum brakes:

Braking becomes more reliable, braking distance is reduced;
Braking forces are distributed more evenly, given that the VAZ 2110 is a front-wheel drive car;
There is an effect of faster response after pressing the pedal;
Unsprung masses are reduced;
Heat dissipation occurs better, which is especially important when driving on a mountain road or during active acceleration/braking. For this reason, the brake system is cooled better;
Disk ones are much easier to dismantle and replace;
There is no need to adjust the handbrake after each repair of the rear brakes, although this will have to be done the first time;
They do not freeze in winter after washing, like drum ones;
Rear disc brakes installed on the VAZ 2110 are much more convenient to control and promptly notice pad wear.

Downloading a book

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Finalization

As mentioned above, after installing the rear discs, the car will brake much more efficiently. But if you don’t modify a few things, the rear brakes will work before the front ones. As mentioned above, to reduce the braking force, some of the friction material of the pads is ground off. That's all. As you can see, we managed to carry out a difficult operation with our own hands, which makes the car’s brakes more effective. The instructions given above include all the important operations and should be followed carefully. According to the latest data, the price for a set of rear brake discs is not that high, and if the replacement is carried out independently, then a lot of money will not go out of the family budget.

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Installation

Set of rear disc brakes for VAZ 2110

As mentioned above, installing rear disc brakes is a delicate matter, but quite doable on your own. This way you can save a lot of money and achieve normal functioning of the brakes. This is relevant, especially since car services, as mentioned, do not often pay attention to adjustments and the price for services of this kind costs about 10 thousand rubles.

Purchasing a set of rear brake discs

Installed rear brake discs

It is recommended to install rear brake discs that are certified by an autonomous non-profit organization. For example, this could be a center that promotes certification or the like. You can purchase rear disc brakes on the market or by ordering online. There is another option, which involves installing rear discs from foreign cars, such as Ford Sierra or Audi A4. But again, when purchasing disks that do not have certification, you will have to make some changes, including sharpening, so that their operation goes smoothly.

Note. Additionally, some rear brake rotor kits do not include boots. In this case, they will have to be purchased separately.

Before starting the replacement process, it is recommended to watch this video. Everything is clearly shown here.

Getting ready for replacement

To get started, you will need the following components:

brake hoses, pads and calipers, which can even be taken from the front brake kit;
a set of brake discs (it is necessary to grind down the parts);
bolts;
washers;
special fastening (faceplate).

Note. You can make a special washer for fixing the brake caliper yourself using a drawing. Although you can order this part on the Internet, as many do.

Replacement process

Begin:

First, let's disassemble the rear brake mechanisms;
dismantle the wheel;
remove the brake drum;
dismantle the pads;
remove the wheel hub by unscrewing four 17mm bolts.

Note. Before unscrewing the bolts, it is recommended to spray them with a special product. In addition, when unscrewing the bolts, you need to act carefully so as not to tear off the edges of the bolts.

Installing disc brakes

unscrew the brake pipe.

Note. And here you will have to work hard, because if the brake cylinder has not been changed for a long time, everything is stuck there.

We plug the end of the unscrewed tube with a piece of hose or a cap from a fitting intended for bleeding (this is done to prevent air from entering the system and loss of fuel fluid);
we knock the hub on the beam out of its seat.

Note. To remove the hub, it is recommended to hit the support disk from the back side, doing this alternately: from above and from below.

Now we put the hub in place, but doing it in a different way than it was before.

Note. In this case, when installing the hub, it will need to be secured through a plate with a built-in brake caliper. The main thing is to make sure that all the holes line up exactly. Careful attention must be paid to alignment.

straighten the corner of the beam with a hammer (this is done so that the caliper does not rest against the beam);

Photo of disc brakes on a wheel

We put the brake disc on the hub, installing the bracket on the mount.

Note. Don't forget that spacers will need to be placed between the hub and the disc.

install brake pads on VAZ 2110;
We screw the brake hose to the caliper, and then to the tube.

Examination

After carrying out the above operations, you will need to check the entire system. The system is checked for leaks, and to do this you need to press the brake pedal. If the pedal is tight enough, then everything is in order.

Note. It is advisable to have an assistant check the brakes for leaks. You will need to ask him to step on the pedal, and at this time try to turn a component of the wheel. If it doesn't spin, then the brakes are holding properly.

Bleeding the brakes

This is an important operation that will allow you to get rid of the air that still gets into the system. It is worth noting that the brakes on the VAZ 2110 are pumped diagonally, as on other models of the brand. First the right front wheel is pumped, then the rear left, then the front left and rear right.

Design Features

It is better to purchase rear disc brakes as a complete set. The VAZ 2110 fits 13 or 14 inch brake discs (ventilated or non-ventilated). Try to purchase certified discs so that they do not have to be modified.

Rear disc brake kit with necessary components

You also need a caliper, which comes in three types, so you need to select it to match the disc. The caliper comes with a hose and brake pads. The kit includes a universal clamp suitable for all calipers - a faceplate.