BMW 3 series E30

Since 1983-1994 of release

Repair and car operation

+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. The engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
- 10. Brake system
   10.2. Specifications
   10.3. Antiblocking system (ABS)
   10.4. Колодки disk brakes
   10.5. A support of a disk brake
   10.6. A brake disk
   10.7. Колодки drum-type brakes
   10.8. The main cylinder of brakes
   10.9. The vacuum amplifier of brakes
   10.10. A cable () a manual brake
   10.11. Adjustment of a manual brake
   10.12. The mechanism of a manual brake
   10.13. A brake pedal
   10.14. The switch of a signal of braking
   10.15. Hoses and lines of a hydrodrive of brakes
   10.16. Removal of air from a hydrodrive of brakes
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice

10.12. The mechanism of a manual brake

The mechanism of a manual brake should be checked periodically. Establish the car on a slope, include a manual brake, include neutral transfer and check up that the car is kept only by a manual brake (the brake pedal is released). At carrying out of the given check it is necessary to be in the car. It is necessary to check a manual brake each two years, or at any suspicion for its abnormal work.


Lift the car and establish on supports, remove back wheels.

On cars with back drum-type brakes checking of a thickness колодок is a part of procedures of periodic service.

On the cars equipped with back disk brakes, remove disks. Take a support aside and fix a support a wire, a tube of a brake do not disconnect.

Check up a condition of all details of a manual brake, presence on them of deterioration and damages. Колодки the manual brake in cars with back disk brakes as a rule is not demanded by replacement during all term of operation of the car. However, they can wear out owing to wrong adjustment of brake system, or because of regular use of a manual brake for a car stop. The limiting size of deterioration колодок a manual brake is not normalised, however it is recommended to change them, if a residual thickness колодок less than 1,5 mm. Check up a condition of springs and the regulator mechanism, and also check up a drum condition, presence on it of deep development of scratches and other damages.

Removal and installation

The prevention

Procedure resulted more low concerns only the cars equipped with back disk brakes. On cars with back drum-type brakes the system of a manual brake is a component of a back brake.

1. Release bolts of fastening of back wheels, lift a back part of the car and establish on supports. Remove back wheels. Remove brake disks. Each time work only with one party, since. You can use another as the sample at assemblage.
2. Remove a returnable spring bottom колодки.
3. Remove the top spring колодки.
4. Remove a spring spring.
5. Remove колодки.
6. Installation is carried out upside-down. Upon termination of the sliding device колодок should occupy the position specified in a picture.
7. After installation of a brake disk, adjust колодки a manual brake. For this purpose wrap two bolts of fastening of a wheel. Turning a regulator, dissolve колодки while they will not brake a disk. Then rotate a regulator back while the disk does not begin to rotate freely. Tighten bolts of fastening of wheels with the set moment.