Opel Vectra A

since 1988-1995 release

Repair and operation of the car



Vektr's Opel And
+ 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. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 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 the hydraulic brake system
   + 15.5. Replacement of front brake shoes
   15.6. Replacement of back brake shoes on disk brakes
   + 15.7. Replacement of back brake shoes on drum brakes
   15.8. Replacement of brake shoes of the emergency 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. Protection cover 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 installed 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 emergency brake
   + 15:29. Cable of the emergency brake
   15:30. Lever of the emergency brake
   15:31. Brake pedal
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions
24bec775


15:26. Valves of adjustment of pressure

GENERAL INFORMATION

Prevention

Replacement of valves of adjustment of pressure needs to be made at the same time, at the same time both valves have to be identical (marking of the valve is put on the valve case).


THE VALVES INSTALLED ON THE MAIN BRAKE CYLINDER

Removal

PERFORMANCE ORDER
1. For reduction of losses of brake fluid uncover a popolnitelny tank of the brake system, close a tank mouth polyethylene and again screw a cover. It is necessary in order that the cover hermetically closed a popolnitelny tank.
2. Install the corresponding container under the main brake cylinder that when unscrewing valves to collect the flowed-out brake fluid.
3. Mark brake tubes, then unscrew connecting nuts and disconnect brake tubes from valves of adjustment of pressure. Close the ends of tubes suitable traffic jams.
4. Unscrew valves of adjustment of pressure from the main brake cylinder and close openings in the main brake cylinder suitable traffic jams.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.
2. Remove polyethylene from a jellied mouth of a popolnitelny tank and pump over the hydraulic brake system.

THE VALVES INSTALLED IN THE BACK PART OF THE BOTTOM OF THE CAR

Removal

Arrangement of the valve of adjustment of pressure in a back part of the bottom of the car on models with DOHC engines
1 – valve of adjustment of pressure;
2 – bracket of fastening of the valve

PERFORMANCE ORDER
1. For reduction of losses of brake fluid uncover a popolnitelny tank of the brake system, close a tank mouth polyethylene and again screw a cover. It is necessary in order that the cover hermetically closed a popolnitelny tank.
2. Lift a back part of the car and record on supports.
3. Under a back part of the car unscrew a connecting nut and disconnect a brake tube from the valve of adjustment of pressure. Close the end of a brake tube a suitable stopper.
4. Similarly disconnect a flexible brake hose from the valve.
5. Take the bracket fixing the valve of adjustment of pressure to an arm and remove the valve of adjustment of pressure. On some models on the bracket fixing the valve of adjustment of pressure the ABS sensor wire is fixed (see the drawing).
6. Similarly remove the second valve of adjustment of pressure.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.
2. Remove polyethylene from a jellied mouth of a popolnitelny tank and pump over the hydraulic brake system.