The device and repair of the brake system VAZ-1111 Oka

In this section, articles about the device and repair of elements of the brake system of a VAZ-1111 Oka car.

Features of the brake system
The vehicle uses a braking system with a diagonal division of circuits, one of which serves the brake mechanisms of the right front and left rear wheels, the other - the left...

Features of the vacuum booster device
The amplifier is attached to the clutch and brake pedal bracket plate using four studs 6 (figure 117) with nuts, and the main cylinder is connected to the vacuum booster on two...

Features of the main brake cylinder
The cylinder is attached to the vacuum booster. Pistons 3 and 4 (figure 118) actuate different circuits. Both pistons take their initial position under the action of springs 7....

Features of the pressure regulator device
The regulator is connected to both circuits of the brake system and through it the brake fluid goes to both rear brake mechanisms. It is attached in the engine compartment to the...

Features of the front wheel brake mechanism
Disc brake mechanism, with automatic adjustment of the gap between the pads and the disc, with a floating caliper. Caliper 3 (figure 120) is cast from an aluminum alloy together...

Features of the rear wheel brake mechanism
The brake mechanism is drum-type with manual or automatic adjustment of the gap between the shoes and the drum. Figure 121. Rear wheel brake mechanism: 1 - leaf spring; 2 - brake...

Possible malfunctions of the brake system
Possible malfunctions of the brake system, their causes and methods of elimination. Increased brake pedal travel Insufficient braking efficiency Incomplete release of braking of...

Checking pipelines and connections
To prevent sudden failure of the brake system, it is necessary to carefully check the condition of all pipes and connections: metal pipelines must not have nicks, scratches,...

Checking the performance of the vacuum booster
Press the brake pedal 5-6 times with the engine off to create a vacuum in cavities A and E ( see figure 117 ) the same pressure, close to atmospheric. At the same time, the force...

Adjusting the brake drive
The free travel of the brake pedal with the engine not running should be 3-5 mm. The adjustment is made by moving the switch 4 (figure 124) brake light with loosened nuts 5. The...

Adjusting the parking brake
If the parking brake does not hold the vehicle on a slope of up to 30° when the lever is moved by 4-5 teeth of the sector, it is adjusted in the following order: raise lever 2 (...

Checking the performance of the pressure regulator on the car
Place the car on a level surface, lift the hood of the car and clean the regulator from dirt. Visually inspect the pressure regulator to make sure it is not damaged and the plug...

Removal air from the hydraulic drive
Bleeding the brakes is necessary to remove air for the hydraulic drive, which significantly reduces the efficiency of the working brake system. Air can get into the hydraulic...

Replacing brake fluid
To prevent air from getting into the hydraulic drive system when replacing fluid and to spend a minimum amount of time on this operation, adhere to the following rules: proceed in...

Adjusting the clearance between the pads and the drum
The adjustment is carried out in the following order: remove the rear wheels; make sure that the drums rotate freely (when the pads touch the drum, loosen the adjusting nut 9 (...

Removal and installation the vacuum booster
When removing the vacuum booster, the master cylinder of the brake hydraulic drive is not disconnected from the hydraulic system so that air does not get into it. Disconnect the...

Master Cylinder — Removal, Disassembly and Inspection
Removal and installation Disconnect the hoses from the master cylinder 1 (see figure 126) and close the openings in the hoses and fittings of the master cylinder to prevent fluid...

Pressure regulator — removal, disassembly and inspection
Removal and installation Disconnect the pipelines from the regulator by unscrewing the nuts that secure it to the mudguard pillar of the body, and remove the pressure regulator....

Front wheel brake mechanism — removal, disassembly and inspection
Removal and installation Raise the front of the car and place it on stands, remove the wheel. Unscrew the pipe fitting and disconnect the flexible hose from the main line; the...

Rear wheel brake mechanism — removal, disassembly and inspection
Removal and installation Raise the rear of the car and remove the wheel and hub cap. Remove the brake drum by unscrewing the cotter pin and unscrewing the nut securing the wheel...

Parking brake — removal and installation
Removal and installation Install lever 1 (figure 137) to the extreme lower position, disconnect the cable ends 13 from the levers 9 of the manual drive of the shoes and from the...

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More articles from other manuals on VAZ cars:
➠ Chassis: Brake system VAZ-2105 (1979-2010)
➠ Chassis: Brake system VAZ-21011 (1974-1983)
➠ Chassis: Brake system VAZ-2110 (1995-2007)
➠ Chassis: Brake system VAZ-2107 (1982-2012)
➠ Chassis: Brake system VAZ-2106 (1976-2006)

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