Brake system of cars VAZ-21051 «Zhiguli»

Description of the design of the brake system
Brake system diagram 1 - brake disc; 2 - brake pedal; 3 - vacuum amplifier; 4 - the main cylinder of the hydraulic drive of the brakes; 5 – the pipeline of a contour of a drive of...

Checking pipelines and connections
To prevent sudden failure of the brake system, carefully check the condition of all pipelines: metal pipelines should not have dents, cracks and should be located away from sharp...

Checking the performance of the vacuum booster
Vacuum booster 1 - flange fastening the tip; 2 - amplifier housing; 3 - stock; 4 - cover; 5 - piston; 6 – a bolt of fastening of the amplifier; 7 - remote ring; 8 – a basic cup of...

Adjustment of a drive of brakes
Brake pedal 1 - vacuum amplifier; 2 - pusher; 3 - brake pedal; 4 – the buffer of the stoplight switch; 5 - switch nut; 6 - stoplight switch; 7 – retractable pedal spring; 8 -...

Parking brake adjustment
Since the end of 1995, the initial tooth at the toothed sector of the parking brake lever has been doubled. In this regard, cars with a double sector tooth have differences in the...

Checking the performance of the pressure regulator
1. Place the vehicle on a lift or inspection ditch, clean the pressure regulator and protective cover from dirt. 2. Carefully remove the protective cover from the pressure...

Adjusting the position of the pressure regulator
Installation diagram of the rear brake pressure regulator and its adjustment 1, 2 - bolts for fastening the regulator to the bracket; 3 - protective cap; 4 – torsion lever of the...

Removal of air from the hydraulic drive of the brake system
Removal of air from pipelines of system of a hydraulic drive of brakes of the left forward wheel 1 - hose for pumping brakes; 2 - vessel for brake fluid The air that got into the...

Clutch and brake pedal bracket
Clutch and brake pedal bracket parts 1 - bracket; 2 - nut; 3 - spring washer; 4 – the internal plug of a pedal of a brake; 5 - outer bushings of the brake pedal; 6 – brake pedal;...

Vacuum booster — removal and installation
The vacuum booster is attached to the bracket plate of the clutch and brake pedals on four studs 6 (see fig. vacuum booster ) with nuts, and the main cylinder - to the vacuum...

Brake Master Cylinder — Design Description
Hydraulic brake master cylinder 1 - cork; 2 - cylinder body; 3 – the piston of a drive of back brakes; 4 - washer; 5 – the piston of a drive of forward brakes; 6 - sealing ring; 7...

Removal and installation of the main brake cylinder
Removing 1. Disconnect the flexible hoses from the master cylinder and cover the hoses and fittings on the cylinder to prevent leakage of fluid from the reservoir and entry of...

Dismantling and assembly of the main brake cylinder
Brake Master Cylinder Parts 1 - cylinder body; 2 - lock washer; 3 - fitting; 4 - sealing gasket; 5 - sealing washer; 6 - piston lock screw; 7 - piston return springs; 8 - cup; 9 -...

Checking Brake Master Cylinder Parts
1. Clean all parts with isopropyl alcohol. 2. Dry them with compressed air or wipe them with a clean cloth, avoiding contact with mineral oil, kerosene or diesel fuel, which can...

Master Cylinder Leak Test
Master Cylinder Leak Test Diagram 1 - valve for pumping; 2 - manometer; 3 – absorbing cylinder; 4 - main cylinder; 5 - flywheel; 6 - pusher displacement indicator; 7 - crane; 8 -...

Front brakes — design description
Front wheel brake 1 - fitting for bleeding the drive of the brake mechanism of the front brakes; 2 - connecting tube of working cylinders; 3 – wheel cylinder piston; 4 - wheel...

Removal and installation of forward brakes
Cleaning Before repairing the brakes, wash them thoroughly with warm water and detergent and dry immediately with compressed air. Removing 1. Raise the front of the car, put on...

Disassembly and assembly of front brakes
Disassembly 1. Disconnect tube 5 (see fig. Front wheel brake caliper parts ) and remove the dust caps 2 from the cylinders. 2. Then, blowing compressed air through the brake fluid...

Front brake parts check
1. Carefully check all parts by washing them first with warm water and detergent, dry with compressed air. 2. If there are signs of wear or seizing on the piston or cylinder bore,...

Front brake disc runout check
Checking the axial runout of the brake disc 1 - magnetic stand; 2 - indicator; 3 - brake disc 1. Check the axial play of the brake disc without removing it from the vehicle. The...

Replacing the front brake pads
Attention! The use of gasoline, diesel fuel, trichlorethylene or any other mineral solvents when cleaning the brakes is unacceptable, as it will damage the cylinder seals. Replace...

Rear brakes — design description
Rear wheel brake 1 – wheel cylinder; 2 – the top coupling spring of pads; 3 - overlay pads; 4 - brake shield; 5 - inner plate; 6 - shell of the rear cable; 7 - the lower coupling...

Removal and disassembly of the rear brakes
1. Raise the rear of the car and remove the wheel. Take measures to prevent leakage of fluid from the tank. 2. Remove the brake drum by unscrewing the mounting bolts 1. Insert...

Assembly and installation of rear brakes
1. Install and fix the wheel cylinder on the brake shield, attach the brake fluid supply pipe to it and tighten the union nut to the full. 2. Attach the lever 18 to the block (see...

Disassembly and assembly of the rear wheel cylinders
Disassembly 1. Remove protective caps 2 (see fig. wheel cylinder ), then press the pistons 4 complete with the parts of the device for automatically adjusting the gap between the...

Checking the parts of the rear brakes
Wheel cylinders 1. Check the cleanliness of the working surfaces of the cylinder, pistons and thrust rings. 2. Surfaces must be perfectly smooth and free of roughness to prevent...

Checking the wheel cylinders of the rear brakes on the stand
Scheme for checking the wheel cylinders of the rear brakes 1 - piston stops; 2 – tested cylinder; 3 - cylinder bracket; 4 - low pressure manometer; 5 – high pressure manometer; 6...

Rear brake pressure regulator — design description
Pressure Regulator Drive Parts 1 - pressure regulator; 2 – axis of the regulator drive lever; 3 - dirt cap; 4 - locking plate; 5 - bolt with spring washer; 6 - rear axle; 7 –...

Removal and installation of a regulator of pressure of back brakes
Removing 1. Disconnect lever 12 (see fig. Pressure Regulator Drive Parts ) from the rod 7, and then the bracket 16 from the body and the bracket for fastening the pipeline going...

Disassembly and assembly of the rear brake pressure regulator
1. Using the key A.56124, unscrew the plug, remove the gasket 5 (see fig. Rear brake pressure regulator in non-working position ), remove piston 10, spacer sleeve 2, seal 7, disc...

Parking brake — design description
Parking brake drive parts 1 - cover; 2 - front cable; 3 - lever; 4 - button; 5 - thrust spring; 6 - latch rod; 7 - bushing; 8 - roller; 9 - rear cable guide; 10 - spacer sleeve;...

Removal and installation of the parking brake
Removing 1. Set the parking brake lever to the lowest position, disconnect the ends of the cables from the brake shoe levers (see subsection 8.7.1 ) 2. Loosen locknut 26 (see fig....

Checking and repairing the parking brake
1. Carefully check the condition of the parking brake parts. 2. If a break or rubbing of the wires is detected, replace the cable with a new one. 3. Make sure that the sector...