Brake system of car Volkswagen Passat B4

Features of the brake system
Service brake system with hydraulic drive, consisting of two independent circuits, divided diagonally (left front - right rear, right front - left rear). The brake hydraulic drive...

Brake drive
Brake master cylinder with two coaxial pistons brand Fag or Girling. The diameter of the master brake cylinder on vehicles with engines «EZ», «RA», «SB» and «1Y» 20.64mm; on other...

Anti-Lock Braking System
The Teves electronically controlled anti-lock braking system consists of a hydraulic unit, wheel speed sensors and an electronic control unit. The hydraulic brake drive includes...

The principle of operation of the brake system
Brakes work most effectively with maximum tire friction on the road surface. When braking, the tire begins to slip on the road surface and the circumferential speed of the wheel...

Brake system operation
As soon as the wheel slows down or begins to slip, which indicates the beginning of its blocking, the uncoupling solenoid valve of this brake circuit, according to the signals of...

Checking the electrical circuits of the brake system
Schematic diagram of Teves brand ABS is shown in fig. 7-8. Pic. 7-8. Schematic diagram of ABS Teves Etc. - fuse; M - connection point with «weight», the numbers next to the...

Precautions for vehicles with ABS
When removing the battery for electric welding, it is necessary to disconnect the plug connector from the electronic control unit with the ignition off. When carrying out painting...

Removal and installation of the node of the electronic control unit with the valve body
The unit is installed in the engine compartment on the left. The electronic unit is bolted to the hydraulic unit. Warning. When removing the unit, do not twist the pipelines...

Removal and installation of sensors of speed of rotation of forward wheels
Warning. When carrying out the operation, do not press the brake pedal, so as not to expose the circuit of the rear wheels to excessive pressure. To remove, raise the front of the...

Removal of air from a hydraulic drive of brakes
Bleeding of the hydraulic drive of the brakes must be carried out in all cases when, during the performance of any work, there is a violation of the tightness of the hydraulic...

Front wheel brakes
Brake pads must be replaced only in pairs simultaneously on both wheels with pads of the specified brands. GIRLING brand brakes To replace brake pads (pic. 7-9) Raise the front of...

Replacing the brake pads of the front wheels on cars manufactured since July 1995 with an engine «AVE»
Note. Before removing brake pads for further use, put marks on them for installation in their original places, because. their rearrangement will cause a malfunction of the brake...

Removal and installation of the brake mechanism of forward wheels
Raise the front of the car, put it on stands and remove the front wheels Remove the brake fluid from the reservoir with a syringe. Disconnect the hose from the wheel cylinder....

Disassembly and assembly of the brake mechanism of the front wheels
Remove the brake mechanism as above. Clamp the brake mechanism in a vise with pads of soft material (pic. 7-12). Remove the piston dust cap. Remove the piston from the cylinder by...

Removal and installation of a brake disk of forward wheels
Brake discs should only be replaced in pairs. On fig. 7-13 shows the layout of the front axle with ventilated brake discs of the front wheels. Raise the front of the car, put it...

Rear wheel drum brakes
Replacement of brake pads Brake pads must only be replaced in pairs simultaneously on both wheels with pads of the specified brand. For removal (pic. 7-14 and 7-15) Raise the back...

Rear wheel disc brakes
Replacement of brake pads Brake pads must only be replaced in pairs simultaneously on both wheels with pads of the specified brand. Raise the rear of the car, put it on stands and...

Brake drive
Removal and installation of the main brake cylinder To remove, disconnect the brake fluid level sensor connector. Remove the master cylinder reservoir cap (pic. 7-17). Remove the...

Parking brake system
Adjusting the parking brake on the rear wheel drum brakes (pic. 7-19, 7-20) is only necessary when replacing the parking brake cable, brake drums and brake shoes, since the rear...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Passat B6 Passat B5 Passat B4

Passat B3 Passat B2