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

8.2. Technical characteristics

GENERAL INFORMATION

Forward disk brakes
Type	ventilated
Diameter of a disk:
– all models except 2.0 liters (X20XEV engine)	256 mm
– 2.0 liter (X20XEV engine)	288 mm
Maximum beating of a disk	0.1 mm
The minimum thickness of a brake shoe (including the support plate)	7.5 mm
The minimum thickness of a disk after machining:
– all models except 2.0 liters (X20XEV engine)	22 mm
– 2.0 liter (X20XEV engine)	23 mm
Back disk brakes
Type	continuous
Diameter:
– all models except 2.0 liters (X20XEV engine)	270 mm
– 2.0 liter (X20XEV engine)	286 mm
Maximum beating of a disk	0.1 mm
The minimum thickness of a brake shoe (including the support plate)	7.0 mm
The minimum thickness of a disk after machining	9.0 mm
Minimum thickness of a block of the emergency brake (only slip)	1.0 mm
Back drum brakes
Internal diameter	230 mm
Maximum internal diameter	231 mm
Minimum thickness of a brake shoe	0.5 the mm is higher than a rivet head
System type	ABS
– all models except 2.0 liters (X20XEV engine)	ABS 415
– 2.0 liter (X20XEV engine)	ABS 5/JC
Type of brake fluid
– all models	liquid for a hydraulic system of DOT 3 or DOT 4, or SAE J1703

Tightening moments

The ABS control unit to the hydraulic modulator:
– stage 1	6 Nanometer
– stage 2	7 Nanometer
Screw of fastening of a brake disk	4 Nanometer
Connection of brake pipelines	16 Nanometer
Pumping union	9 Nanometer
Forward support	30 Nanometer
Holder of a forward support	95
Lever of the emergency brake	10 Nanometer
Indicator of the lever of the emergency brake	2.5 Nanometer
Hydraulic modulator (ABS)	8 Nanometer
The main brake cylinder to the vacuum amplifier of brakes	22 Nanometer
Pedal arm	20 Nanometer
Screw of fastening of the back brake drum	4 Nanometer
Back support	80 Nanometer
Back working brake cylinder	9 Nanometer
Wheel speed sensor	8 Nanometer
Vacuum hose to an inlet collector	18 Nanometer
Vacuum hose to the vacuum pump (diesel engines)	18 Nanometer
Nuts of the vacuum amplifier	20 Nanometer