Opel Vectra B

since 1995 of release

Repair and car operation

Vektr B. Opel
+ 1.1. Governing bodies and control devices
+ 2. Maintenance
+ 3. Engines
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
- 8. Brake system
   8.1. Introduction
   8.2. Technical characteristics
   8.3. Pumping of hydraulic brake system
   8.4. Brake pipelines and hoses
   8.5. Replacement of forward brake shoes
   8.6. Replacement of back brake shoes on disk brakes
   8.7. Replacement of back brake shoes on drum-type brakes
   8.8. Replacement of brake shoes of the hand brake
   8.9. Lobbies and back brake disks
   8.10. Forward brake disk
   8.11. Back brake disk
   8.12. Back brake drum
   8.13. Forward support
   8.14. Back support
   8.15. Back working brake cylinder
   8.16. Main brake cylinder
   8.17. Brake pedal
   8.18. Vacuum amplifier of brakes
   8.19. Unilateral valve of the vacuum amplifier of brakes
   8.20. Adjustment of the hand brake
   8.21. Lever of the hand brake
   8.22. Cable of the hand brake
   8.23. Anti-blocking system of brakes (ABS)
   + 8.24. Elements of anti-blocking system of brakes
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
+ 12. Main malfunctions


8.16. Main brake cylinder


1. Press several times a pedal of a brake to fill with air the vacuum amplifier of brakes or to remove pressure in the hydraulic block of the servomotor.
2. Uncover a tank of brake system and, using a syringe, pump out brake liquid.
3. Remove a relay box from a hydraulic regulator on the left forward side of a motor compartment.
4. On models with a mechanical transmission weaken a collar and remove feeding tube of coupling (shooter) from a tank.
5. Having pulled up, remove a tank from the main brake cylinder.
6. Mark the brake tubes suitable to the main brake cylinder.
7. Arrange pure rags under the main brake cylinder. Unscrew nuts of fastening of brake tubes and take aside from the main brake cylinder brake tubes. Close the ends of tubes the corresponding jams.
8. Unscrew nuts of fastening and remove the main brake cylinder from the vacuum amplifier of brakes together with laying.


Installation is made in sequence, return to removal. Thus establish new laying. Remove air from hydraulic system. Nuts of fastening of brake tubes should be tightened by the demanded moment. In case of pulling the flange on the end of a tube can be damaged.