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
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
- 12. Main malfunctions
   12.1. Engine
   12.2. Cooling system
   12.3. Fuel system and system of production of exhaust gases
   12.4. Coupling
   12.5. Mechanical transmission
   12.6. Automatic transmission
   12.7. Power shafts
   12.8. Brake system
   12.9. Suspension bracket and steering





12.8. Brake system

GENERAL INFORMATION

Before check of work of brake system check that pressure in tires corresponds demanded, corners of installation of forward wheels correct and the car is loaded evenly.

When braking the car withdraws aside:

– brake shoes on one party of the car are worn-out or polluted;
– the piston of the working brake cylinder or a support is jammed;
– on the different parties of the car brake shoes with different properties are established;
– bolts of fastening of a support are unreliably tightened;
– suspension bracket elements are worn-out or damaged.

Extraneous noise when braking:

– wear of a brake shoe to metal;
– corrosion of a brake disk or brake drum;
– between a brake disk and a brake board extraneous subjects (stones) got.

The course of a brake pedal is increased:

– the main brake cylinder is faulty;
– air in system of a drive of brakes;
– the vacuum amplifier of brakes is faulty.

Easy pressing of a pedal of a brake:

– air in system of a drive of brakes;
– defect of rubber brake hoses;
– nuts of fastening of the main brake cylinder are unreliably tightened;
– the main brake cylinder is faulty.

For a stop of the car it is necessary to make too big effort a brake pedal:

– the vacuum amplifier of brakes is faulty;
– the vacuum hose of the amplifier of brakes is not tight;
– brake tubes are pressed or deformed;
– the piston in the working brake cylinder is jammed;
– brake shoes are incorrectly established;
– the type of brake shoes does not correspond to the demanded;
– pollution of brake shoes;
– the vacuum pump (diesel engines) is faulty.

Vibration when braking:

– palpation of a brake disk exceeds admissible limits;
– brake shoes are worn-out;
– bolts of fastening of a brake board or a support are unreliably tightened;
– wear of elements of a suspension bracket.

Jamming of brakes:

– the piston of the working brake cylinder is jammed;
– the mechanism of the hand brake is incorrectly adjusted;
– the main brake cylinder is faulty.

Blocking of back wheels when braking:

– pollution of back brake shoes;
– deformation of a back brake drum.