All articles about the installation and repair of units and elements of the brake system of VAZ-2115 (Lada Samara 115, sedan) and their modifications.
Design features of the brake system 8.1. Scheme of the hydraulic drive of the brakes: And – a flexible hose of a forward brake; B - flexible rear brake hose; 1 – the brake mechanism of a forward wheel; 2 - pipeline...
Possible malfunctions of the brake system Possible malfunctions of the brake system and their elimination are given in the table: Cause of malfunction Remedy Increased brake pedal travel Leakage of brake fluid from wheel...
Design features of the vacuum booster 8.2. vacuum booster : A - vacuum chamber; B - atmospheric chamber; С, D – channels; 1 - stock; 2 – a sealing ring of a flange of the main cylinder; 3 – a cup of the case of the...
Checking the operation of the vacuum booster check valve 1. Check the tightness of the connection of the vacuum hose with the fitting on the receiver.. 2.... and with a check valve. 3. To check the check valve, loosen the clamp and...
Replacing the vacuum booster 1. Disconnect the wiring harness connector from the brake fluid level sensor. 2. From inside the passenger compartment, remove the retaining clip from the brake pedal pin. 3. Take...
Removal and installation of the main brake cylinder 1. Disconnect the wire from the terminal «–» battery. 2. Disconnect the wiring harness block from the brake fluid level sensor installed in the reservoir cap. 3. Loosen the four...
Repair of the main brake cylinder Master cylinder with reservoir: Pic. 8.5. Master cylinder with reservoir: A - gap; 1 - the body of the main cylinder; 2 - low pressure sealing ring; 3 - piston drive circuit left...
Replacing the pressure regulator One of the reasons for skidding or pulling the car to the side during braking may be a malfunction of the pressure regulator (people call him "sorcerer"). A defective pressure...
Pressure Regulator Actuator Adjustment Incorrect adjustment of the pressure regulator actuator can cause the vehicle to skid or pull to the side when braking, as well as reduce braking efficiency. 1. Place the vehicle...
Checking pipelines and connections To prevent sudden failure of the brake system, carefully check the condition of all pipes and connections, paying attention to the following: 1. Metal pipelines should not be...
Replacement of brake hoses 1. While holding the brake hose from turning with a wrench, unscrew the pipe fitting. Remove the spring clip and remove the hose end from the bracket on the body. 2. Take out from...
Bleeding the brake system Bleeding the brake system it is necessary to remove air from it, which can enter the system during repairs, replacement of brake fluid, depressurization of the system if pipes and...
Brake Fluid Replacement Warnings! Be careful when handling brake fluid - it is toxic. Contact with brake fluid on wires, plastic or painted parts of the body can cause damage. Therefore, when pouring,...
Replacing the rear brake pads The minimum allowable thickness of the friction linings of the brake pads is 1.5 mm. Replace pads in the following cases: the thickness of the friction linings is less than the...
Replacing the front brake pads The minimum allowable thickness of the friction linings of the brake pads is 1.5 mm. Replace pads in the following cases: the thickness of the friction linings is less than the...
Brake disc replacement The minimum allowable disc thickness A=10.8 mm. If the disc is thinner, it must be replaced. The axial runout of the brake disc surface must not exceed 0.15 mm. If there are...
Brake drum replacement The maximum allowable diameter of the working surface of the drum is 201.5 mm. Replace the drum if its diameter is greater than or equal to the limit. On the working surface of...
Repair of the front brake cylinder 1. Remove the corresponding wheel. 2. Take out a sealant of a brake hose from an arm on a rack. 3. Loosen the hose fitting on the brake cylinder. 4. Bend the tabs of the lock...
Replacing the rear brake cylinder If during operation there are traces of brake fluid leakage on the brake drum and the inner side of the wheel, replace the slave cylinder. Repair of the working cylinder usually...
Features of the design of the main brake cylinder master cylinder (pic. 8.5) with sequential pistons. A tank 13 is fixed on the body of the main cylinder, in the plug of which a sensor 14 of the emergency level of the brake fluid...
Parking brake lever repair You will need: screwdriver, wrench «at 13», pliers. 1. Disconnect the wire from the terminal «–» battery. 2. From the bottom of the vehicle, remove the locknut and cable equalizer...
Replacing the parking brake cable Helpful advice. If the cable removed from the car moves heavily in the shell, lubricate it; pour gear or engine oil into the shell until it starts to flow out of the opposite end...
Checking and adjusting the parking brake drive According to the Highway Code, the parking brake must hold the vehicle on a 25% slope when the parking brake lever is moved 2 to 4 clicks. In practice, you can check the parking...
Design features of the pressure regulator pressure regulator regulates the pressure in the hydraulic drive of the brake mechanisms of the rear wheels, depending on the load on the rear axle of the car. It is included in...