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


9.19. Reducer of a back axis

Removal and installation

1. Lift the car, merge oil from a reducer.
2. Disconnect the driveshaft from a reducer flange. Fix a shaft, without allowing sagging on the support bearing.
3. Get from a half shaft reducer, take aside and fix.
4. Disconnect from the pulse sensor of a speedometer the socket (photo at the left), turn off 2 bolts and remove the sensor (photo on the right).
5. Substitute under a reducer the cart with a jack.
6. Turn off a bolt of back fastening of a reducer.
7. Turn off bolts of forward fastening of a reducer.
8. Turn off a nut and a bolt of an axis of the elastic hinge of a reducer.
9. Lower a reducer and get from under the car.
10. Installation is carried out upside-down. Bolts and nuts of fastening of a reducer at first acquire, then evenly tighten.