Opel Vectra B

since 1995 release

Repair and operation of the car

Vektr's Opel of B
+ 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 the hydraulic brake system
   8.4. Brake pipelines and hoses
   8.5. Replacement of front brake shoes
   8.6. Replacement of back brake shoes on disk brakes
   8.7. Replacement of back brake shoes on drum brakes
   8.8. Replacement of brake shoes of the emergency 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 emergency brake
   8.21. Lever of the emergency brake
   8.22. Cable of the emergency 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 brake pedal to fill with air the vacuum amplifier of brakes or to take off pressure in the hydraulic block of the servomotor.
2. Uncover a tank of the brake system and, using the syringe, pump out brake fluid.
3. Remove a relay box from the hydraulic regulator on the left forward side of a motor compartment.
4. On models with the mechanical transmission weaken a collar and pick up the feeding phone 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 traffic 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 the sequence, the return to removal. At the same time establish new laying. Remove air from hydraulic system. Nuts of fastening of brake tubes have to be tightened by the required moment. In case of pulling the flange on the end of a tube can be damaged.