BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
- 9. Coupling
   9.2. Specifications
   9.3. Coupling check
   9.4. Main cylinder of coupling
   9.5. Coupling pedal
   9.6. The blocking coupling switch
   9.7. Working cylinder of coupling
   9.8. Removal of air from a coupling hydraulic actuator
   9.9. Coupling details
   9.10. Driveshaft
   9.11. Elastic coupling
   9.12. Average support
   9.13. Cardan hinges
   9.14. The forward aligning plug
   9.15. Driveshaft CV JOINT
   9.16. Half shafts
   9.17. CV JOINTS and covers
   9.18. Epiploons of a reducer of a back axis
   9.19. Reducer of a back axis
   9.20. Epiploon of the leading gear wheel of a reducer
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Useful tips


9.4. Main cylinder of coupling


Mechanism of the drive of the main cylinder of coupling

1. Axis

2. Pedal

3. Fastening bolts

Bolt of an axis of a rod of the main cylinder of coupling


Removal and installation

1. Merge liquid, having sucked away a pear from a tank (on cars with the right wheel disconnect a hose from a tank and merge liquid).
2. Disconnect a hydraulic actuator tube from the cylinder.
3. Working in salon, remove the lower panel in legs of the driver and disconnect a pusher of the main cylinder from a coupling pedal (in the drawing – fastenings of a pusher of the main cylinder to a coupling pedal).
4. Turn off 2 bolts of fastening of the cylinder to an arm of a pedal and remove the cylinder.
5. Installation is carried out upside-down. Upon termination of check remove air, adjust a pedal and the switch of a starter.