Opel Vectra A

since 1988-1995 of release

Repair and car operation



Vektr A. Opel
+ 1. Maintenance instruction
+ 1.1 Maintenance
+ 2. Engine
+ 3. Repair of DOHC engines
+ 4. Repair of the diesel engine
+ 5. Cooling system
+ 6. Fuel system
+ 7. A fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of fall of toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrosystems
+ 11. Transmission
+ 12. Mechanical transmission
+ 13. Automatic transmission
+ 14. Power shafts
- 15. Brake system
   15.2. General information
   15.3. Anti-blocking system of brakes (ABS)
   15.4. Pumping of hydraulic brake system
   + 15.5. Replacement of forward brake shoes
   15.6. Replacement of back brake shoes on disk brakes
   + 15.7. Replacement of back brake shoes on drum-type brakes
   15.8. Replacement of brake shoes of the hand brake on back disk brakes
   15.9. Support of a forward brake
   15.10. Support of a back disk brake
   15.11. Brake disk
   15.12. Forward brake disk
   15.13. A back brake disk on models with SOHC engines
   15.14. A back brake disk on models with DOHC engines
   15.15. Brake drum
   15.16. Back working brake cylinder
   15.17. Brake board of a back brake
   15.18. Protective casing of a forward brake disk
   15.19. Main brake cylinder
   15.20. Repair of the main brake cylinder (model without ABS)
   15.21. Vacuum amplifier of brakes
   15.22. Hydraulic ABS modulator
   15.23. The ABS sensors established on wheels
   15.24. ABS control unit
   15.25. ABS relay (only ABS-2E system)
   15.26. Valves of adjustment of pressure
   15.27. Brake pipelines and hoses
   15.28. Adjustment of the hand brake
   + 15.29. Cable of the hand brake
   15.30. Lever of the hand brake
   15.31. Brake pedal
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions



BRAKE SYSTEM

15. Brake system

15.1. Technical characteristics

System type
Models without ABS:
– l models 1,4, 1,6 and 1,8

Forward brakes disk, and back drum-type, with the vacuum amplifier, with a hydraulic drive both diagonal division of contours and a regulator of pressure upon back wheels. A drive of the hand brake on back wheels
– models of 2,0 l
Lobbies and back brakes disk, with the vacuum amplifier, with a hydraulic drive both diagonal division of contours and a regulator of pressure upon back wheels. A drive of the hand brake on back wheels
All models with anti-blocking system of brakes (ABS)
Lobbies and back brakes disk, with the vacuum amplifier, with a drive the hydraulic modulator with forward and back contours and a pressure regulator in a back contour. A drive of the hand brake on back wheels

Forward brake disks

Type:
– 1,4, 1,6 and 1,8 l
Continuous or ventilated (with 10/91)
– models of 2,0 l
The ventilated
Diameter of a disk:
– models 1,4, 1,6 and early 1,8 l
236 mm
– late models (with 10/91) 1,8 and 2,0 l
256 mm
The most admissible palpation of a brake disk
0,1 mm
Minimum admissible thickness of a brake shoe (together with the metal basis):
– all models
7,0 mm
Minimum admissible thickness of a brake disk after a repoint (*):
– l models 1,4, 1,6 and 1,8 (with continuous disks)
10,7 mm
– l models 1,4, 1,6 and 1,8 (with ventilated disks)
18,0 mm
– models of 2,0 l
22,0 mm

* If wear of disks reached minimum admissible thickness, use of only one set of brake shoes then disks are subject to replacement is allowed.

Back brake disks

Type the continuous
Diameter (all models)
260 mm
The most admissible palpation of a brake disk (all models)
0,1 mm
Minimum admissible thickness of a brake shoe (together with the metal basis):
– all models
7,0 mm
Minimum admissible thickness of a brake disk after a repoint (all models) *
8,0 mm
Minimum admissible thickness of an overlay of a brake shoe of the hand brake:
– all models
1,0 mm

* If wear of disks reached minimum admissible thickness, use of only one set of brake shoes then disks are subject to replacement is allowed.

Back brake drums

Internal diameter of a drum (all models)
200 mm
Minimum admissible thickness of an overlay of a brake shoe (all models)
0,5 mm over heads of rivets

Tightening moments

Fastening of the hydraulic ABS modulator
8 Nanometers
Fastening of the ABS sensor established on a wheel
8 Nanometers
ABS control unit
1,5 Nanometers
Connection of tubes of brake system
16 Nanometers
Support and pumping unions
9 Nanometers
Screw of fastening of a forward brake disk
4 Nanometers
Brake hose to a support of a forward brake
40 Nanometers
The holder of a support of a forward brake to a rotary fist
95 Nanometers
Directing a support of a forward brake
30 Nanometers
Fastening of a support of a forward brake (model with continuous disks)
95 Nanometers
Fastening of a support of a forward brake to the holder of a support (model with ventilated disks)
30 Nanometers
Fastening of the lever of the hand brake
20 Nanometers
Fastening of the main brake cylinder
22 Nanometers
Lock screw of the main brake cylinder (ATF)
6 Nanometers
The valve of adjustment of pressure to the main brake cylinder:
– ATF type
12 Nanometers
– GMF type
40 Nanometers
Brake board / fixing element of a nave of a back wheel:
– stage 1
50 Nanometers
– stage 2
To tighten on a corner 30 °
– stage 3
To tighten on a corner 15 °
Screw of fastening of a back brake disk
8 Nanometers
Fastening of a support of a back disk brake
80 Nanometers
Screw of fastening of a back brake drum
4 Nanometers
Fastening of the working brake cylinder of a back wheel
9 Nanometers
Fastening of an arm of the vacuum amplifier of brakes to a partition of a motor compartment
22 Nanometers
Fastening of the vacuum amplifier of brakes to an arm
20 Nanometers