Repair of the brake system of cars VAZ-2108

Features of the brake system
Figure 104. Hydraulic brake drive diagram: 1 - front wheel brake mechanism; 2 - pipeline of the circuit "left front - right rear brakes"; 3 - master cylinder of the brake...

Possible malfunctions of the brake system
Possible malfunctions of the brake system, their causes and methods of elimination

Checking pipelines and connections
To prevent sudden failure of the brake system, carefully check the condition of all pipelines: metal pipelines should not have nicks, deep scratches, abrasions, active corrosion...

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 B ( see figure 105 ) the same pressure, close to atmospheric. At the same time, by the...

Adjusting the brake drive
The free travel of the brake pedal with the engine not running should be 3-5 mm. The adjustment is carried out by moving the switch 10 (figure 113) brake light with nuts 8 and 9...

Adjusting the parking brake
If the parking brake does not hold the vehicle on a 25% slope when the lever is moved 4-5 teeth of the ratchet device, adjust it in the following order: raise the parking brake...

Checking the performance of the pressure regulator on the car
Place the vehicle on a lift or inspection pit, clean the pressure regulator and its drive parts from dirt. Visually inspect to ensure that the pressure regulator and its drive...

Bleeding the brake hydraulic system
Bleeding the brakes is necessary to remove air from 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 entering the hydraulic drive system and to spend a minimum amount of time on this operation, adhere to the following rules: proceed in the same order as when...

Vacuum booster — removal and installation
When removing the 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 vacuum...

Master Cylinder — Removal and Installation
Removal and installation Disconnect the pipes from the master cylinder and the connector with wires from the terminals of the brake fluid emergency level sensor. Close the holes...

Pressure regulator — removal and installation
Removal and installation Disconnect the elastic lever 10 ( see figure 106 ) of the pressure regulator drive from the rear suspension arm, for which purpose the retaining ring 14,...

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

Rear wheel brake mechanism
Removal and installation Raise the rear of the car and remove the wheel. Remove the brake drum. Loosen the parking brake cable and disconnect it from the lever 10 ( see figure 110...

Parking brake — removal, installation and inspection
Removal Install lever 1 ( see figure 112 ) of the parking brake to the extreme lower position, disconnect the ends of the cables 10 from the levers 13 of the manual drive of the...

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More articles from other manuals on VAZ cars:
➠ Chassis: Brake system VAZ-2115 (1997-2012)
➠ Chassis: Brake system VAZ-21011 (1974-1983)
➠ Chassis: Brake system VAZ-21051 (1979-2010)
➠ Chassis: Brake system VAZ-2107 (1982-2012)
➠ Chassis: Brake system VAZ-1111 (1988-1996)

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