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


9.8. Removal of air from a coupling hydraulic actuator


Pumping of system will be required every time after carrying out dismantling and assembly of the highway of a hydraulic actuator of coupling.

1. Bring liquid level in a tank to mark MOVE.
2. Lift a car front.
3. Remove a cap, dress a hose on the cylinder union. Lower other end a hose in the capacity filled on 1/3 brake fluid.
4. Ask the assistant to press a coupling pedal several times to the full and to uderdzhivat a pedal of pressed. Unscrew the pumping union on 1/2 turns. Tighten the union after a liquid exit. Ask the assistant to release a pedal.
5. Repeat the procedure until the hose with liquid does not cease to leave vials of air. Constantly you watch level, – the tank has to be filled with liquid.
6. At the pressed pedal tighten the union, dress a cap and lower the car. Restore liquid level in a tank.