Replacing brake discs on a VAZ 2114 (photos and videos) – signs of wear, which discs to choose, cost

Brake discs are certainly considered one of the important components of a car. They bear most of the load during operation. From time to time, VAZ 2114 brake discs need to be replaced, but, to be honest, the repair process is not that complicated and can be done with your own hands without specialized tools. Let's look at how to change brake discs on a VAZ 2114?

The video clearly shows the process of replacing brake discs on a VAZ 2114:

What is a brake disc and why is it needed?

The brake disc is an element of the front wheel braking mechanism. It is made of steel and has the shape of a plate, the rim of which serves as a working surface. The protruding part (bottom) of the disk is attached to the hub.

The pads are located in close proximity to the working surface of the part. When we press on the brake pedal, they press against the disc, causing it to slow down. This is how the front wheels of the “fourteenth” brake.

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 2114 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 2114 are much more convenient to control and promptly notice pad wear.. https://www.youtube.com/embed/6ZnhyJAeQSY

When disks need replacement

Replacing brake discs on a VAZ 2114 is not a routine type of work. Their service life, according to the manufacturer, is 100 thousand kilometers. This is provided that they are operated normally. But, as practice shows, they are enough for at most 70 thousand km, and only if the pads are changed on time.

Be that as it may, the driver needs to diagnose the condition of the discs at least once a quarter, and if excessive wear or damage is detected, take measures to replace them. Ignoring these recommendations can lead not only to the failure of other elements of the system, but also cause an emergency on the road.

VAZ 2114 brake discs must be replaced if:

• the thickness of at least one of them is less than 10.8 mm;
• there are grooves, chips, cracks on the working surface;
• the part is deformed due to mechanical damage.

  

Signs and causes of the problem

You can feel that the brake discs are already at the limit of their professional suitability by the beating of the pedal. She will, as they say, be naughty. This is easy to determine at high speeds when braking.

Don't think that "tired" disks will be able to work for some time. Such frivolity often leads to a hospital bed. And that's the best case scenario. We don’t want to scare anyone, but brakes are still an incredibly important safety system.

There may be several reasons why the pedal does not behave naturally.

1. The brake disc is deformed. This can happen due to temperature changes, sudden braking and normal wear and tear. If only one disk is damaged, the second one is replaced at the same time as the first. This is a rule that should be followed always and everywhere.
2. Broken front pads. It is impossible to restore their functionality, therefore they must be replaced.
3. The rear drums have failed. The VAZ 2114 has drums at the rear, although some install disc brakes. Think for yourself how justified such a decision is.

Which disks to choose

If replacing brake discs on a VAZ 2114 is inevitable, you should take care to select them correctly. Remember, your safety depends on their quality. And be prepared for the fact that you will have to buy not one disc, but a set of two pieces. Under no circumstances should you change them one by one! Due to uneven wear of parts, the braking efficiency of each wheel will be different. This may cause you to lose control of the vehicle.

The standard front brake disc for the VAZ 2114 (R-13) goes on sale under catalog number 2108-3501070. The price of the set, depending on the manufacturer and modification, can vary from 1100 to 4000 rubles.

Installation

It's time to install disc brakes instead of the removed rear drum brakes.

Having knocked off the hub, we will put it back, but in a different way:

1. It should be installed through the plate into which the caliper is already mounted.
2. Carefully ensure that all holes line up. Particular attention to alignment;
3. Next, use a hammer to straighten the corner of the beam so that the caliper does not rest against it;
4. Now you can put the brake disc on the hub, placing spacers between these parts, and secure the disc with a bracket;
5. We install brake pads from VAZ 2114;
6. First, carefully and securely attach the brake hose to the caliper, and then to the tube;
7. To reduce the braking force of the rear brakes compared to the front, you need to partially grind off the friction material of the pads.

Replacing brake discs VAZ 2114 - ventilated or conventional

Recently, ventilated wheels have become very popular among car tuning enthusiasts. Their main difference from conventional ones is the presence of holes and grooves (grooves) on the working surface of the parts. This design allows you to significantly reduce heating during intense braking. Such discs cost from 2500 rubles per set.

Is it worth installing them? If you are not a supporter of sporty driving and sharp braking, there is no need to overpay. Feel free to install standard parts. If you participate in racing or are simply used to aggressive driving, the best solution would be to install ventilated discs. Installing them, of course, is more hassle, but you will immediately feel the difference with regular ones.

Bleeding and adjustment

After any manipulations with the brake system (it doesn’t matter whether you repaired the rear, front or parking), on the VAZ 2114 it is vitally important to bleed the brakes so that an air plug does not form anywhere in them, which can negate the ability to brake at the right moment. It is convenient to do this together, but you can do it yourself, although this requires some additional equipment

Many people know how to bleed the brakes on a VAZ 2114. The main thing is not to forget to do this diagonally, always starting with the front wheels, and pump the right one first

It is convenient to do this together, but you can do it yourself, although this requires some additional equipment. Many people know how to bleed the brakes on a VAZ 2114. The main thing is not to forget to do this diagonally, always starting with the front wheels, and pump the right one first.

After bleeding, you still need to check the braking forces. This requires an outside observer. You accelerate and brake sharply, and he watches as the brakes apply. The front ones should work first, then (with a small gap) the rear ones, and the braking force should be greater for the front ones.

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Go to a service station or change it yourself

Replacing the front brake discs of a VAZ 2114 at a service station will cost you at least 2,500 rubles. From a financial point of view, this is not cheap. If you have experience with hand tools, you can do the replacement yourself. This procedure will take 4-5 hours, but the money will stay at home.

Replacing VAZ 2114 brake discs with your own hands involves using the following tools and means:

• jack;
• wheel wrench;
• key to 17;
• key for 12;
• mallet or hammer and wooden block;
• liquid VD-40;
• a piece of wire (30-50 cm).

  

Minuses

Replacing brakes with disc brakes was not without the famous “fly in the ointment,” although it rather concerns precisely those problems that their installation can cause.

What might this entail?

Following:

Fine when passing a technical inspection; You can be simply wrong in a controversial accident if traffic police officers emphasize that you have “wrong” brakes; And the insurance company may also consider this a reason for non-payment of insurance.

Secondly, the handbrake will additionally need to be modified - or replaced with a hydraulic handbrake, although the latter weakens over time.

Thirdly, it is necessary to refine or carefully adjust the sorcerer so that on the VAZ 2114 the rear wheels do not brake more than the front ones, as this will certainly cause a skid, especially on ice or wet asphalt. To do this, sometimes you even have to grind down the pads by a quarter, or even more.

Self-repair of VAZ 2114 - replacement of brake discs

The order of work is as follows:

1. We place the car on a flat horizontal platform. Turn on the parking brake. Support the rear wheels.
2. Using a wheel wrench, unscrew the wheel bolts of one of the front wheels.
3. We jack up the front part of the car body on the desired side. Unscrew the bolts completely. We remove the wheel.
4. Turn the steering wheel to the side until it stops so that you can reach the caliper mounting bolts.
5. Using a 17mm wrench, unscrew the bolts (2 pcs.) securing the caliper to the steering knuckle. We dismantle the brake mechanism assembly without disconnecting it from the brake hose. Using a piece of wire, we hang it, for example, on the shock absorber spring so that the brake hose does not twist.
6. We use VD-40 liquid to treat the places where the disc is connected to the hub, as well as the mounting pins. We wait 10-15 minutes for the liquid to “work”.
7. Using a 12mm wrench, unscrew the two pins securing the disk.
8. Remove the disc from the hub. If it does not come off, carefully knock it down using a mallet or a mallet with a wooden spacer. The blows must be applied from the back of the disc closer to its center.
9. When the disk is removed, clean the seat on the hub using a brush (dry rag). Additionally, you can treat it with VD-40 liquid.
10. We install the new disk in place. Screw in and tighten the guide pins.
11. We install the brake mechanism. We fix it with bolts.
12. We mount the wheel.
13. Remove the jack and tighten the wheel bolts.
14. Similarly, we change the brake disc on the other wheel.

Before driving onto the road, it is recommended to check the operation of the braking system off the road. To do this, drive at low speed somewhere in the yard and evaluate the effectiveness of braking.

Checking for wear

This table will allow you to figure out below what wear marks the operation of brake system elements should not be allowed.

It is not possible to determine the dimensions visually, so the car will have to be jacked up, the brakes cleaned, the wheels removed and the appropriate manipulations performed to determine the dimensions using a caliper.

Runout check

Compare the data obtained with the data from the table, and you will understand whether it is time for you to change the brake discs or pads or not.

Another important point is checking the movement of the pads. Pry them out with a screwdriver. If the movement is heavy, they will pinch the disc, and over time the pads will simply collapse along with the disc.

Features of replacing standard disks with ventilated ones

If you decide to install ventilated discs, you should know that all their modifications are wider than the standard ones. Therefore, in addition to them, you will need to buy appropriate calipers, front pad guides, as well as protective covers. Purchasing all these elements separately is quite problematic. It's better to buy a set. The standard kit for two wheels includes: discs, calipers, pad guides and faceplates (casings). The price for such a set starts from 9,000 rubles.

The algorithm for replacing standard disks with ventilated ones is a little more complicated and will take 5-6 hours. Here you need to disconnect the brake hoses and remove the brake cylinders. And after the work is completed, you will also have to bleed the brakes.

APPROXIMATE COST OF WORK IN THE SERVICE

The estimated cost of work in a car service today is as follows:

• Change brake discs on a VAZ 2114: front – 1000 rubles, rear – 800 rubles. (there is more demand for replacing front discs, which is why the price is higher);
• Replacing disc pads – 500 rubles;
• Replacement of the rear brake drum – 300 rubles;
• Replacement of drum pads – 800 rubles;

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