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

10.4. Колодки disk brakes

The prevention

Колодки brakes should vary simultaneously, both on lobbies and on back wheels.

Откидывание a support for removal колодок a forward brake

The deterioration gauge колодки a forward brake

For gauge removal beat out a pin (arrow).

Piston cave-in in the support cylinder

1. Uncover () a tank and remove two thirds of liquid.
2. Lift a forward (back) part of the car and establish on supports.
3. Remove a forward (back) wheel. Working on a brake of one wheel, you can use a brake of another as the sample.
4. Check up a condition of a brake disk. If polishing remove a disk is necessary.
5. Turn away bolts.
6. If it is necessary to remove a brake disk turn away bolts of fastening of an arm of a support. At отворачивании a bolt of fastening of a support it is necessary to keep a support axis.
7. Remove a support, the deterioration gauge колодок and internal колодку. Then establish internal колодку on the piston and completely drown the piston in the cylinder by means of a clamp.
8. Disconnect a socket of the gauge of deterioration колодок.
9. Keeping directing, turn away bolts of fastening of a support.
10. Remove external brake колодку.
For a support of a back brake
11. Disconnect a socket.
12. Remove заглушки and turn away bolts.
13. Remove an antinoise spring.
14. Drown the piston by means of a clamp.
15. Remove a support and internal колодку.
16. Remove internal brake колодку.
17. Fix a support a wire.
18. Remove external brake колодку.

The prevention

The quantity and design of antinoise overlays and some other details for different models can differ. Therefore it is recommended to remember preliminary an arrangement of overlays and other details that at assemblage not to break an order of their installation.

19. Check up a condition of the gauge of deterioration колодки (on a forward left wheel (an arrow), or on forward left and back the right). If gauges in a normal state establish them on new колодки. At detection of damages gauges replace.
20. Installation is carried out upside-down. Tighten bolts of a support with the set moment.
The prevention

If necessary replace bolts.

21. Upon termination of press some times a brake pedal. The pedal should settle down at former height and should be rigid. Check up liquid level. Be convinced of absence of leaks and check up work of brakes before car operation.

After change колодок avoid sharp braking throughout first several hundreds in km of run.