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
   + 8.1.2. Specifications
   - 8.2. Automatic transmission
      8.2.2. Specifications
      8.2.3. Diagnostics of automatic transmission
      8.2.4. Draft of the selector of transmission
      8.2.5. kick cable - down - the mode
      8.2.6. The blocking backing signal switch / switch
      8.2.7. Removal and installation of transmission
      8.2.8. Epiploons of automatic transmission
      8.2.9. "Automatic machine"
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Useful tips


8.2.7. Removal and installation of transmission


Back support of transmission and intensifying beam

 A – back support of transmission

B – intensifying beam

Removal and installation

1. Disconnect the battery from weight.
2. Disconnect a kick-down-cable and bring out of an arm on the soaking-up collector.
3. On the M10 engine uncover the distributor.
4. Lift the car.
5. Remove exhaust pipes.
6. Disconnect draft or a cable.
7. Remove the driveshaft (see subsection 9.10).
8. Merge transmission liquid. Disconnect tubes of a cooler of liquid and a filling branch pipe.
9. On transmission 3HP22 in the lower part of a case of the hydrotransformer uncover, and at other check points remove an intensifying plate and the buffer limiter: dark shooters specified bolts which should be turned off.
10. Through a window in a case turn off bolts of fastening of the hydrotransformer to a drive plate (3 or 4 bolts depending on transmission type), turning the crankshaft. To turn off all bolts, turn the hydrotransformer.
11. On cars with system of injection Motronic remove sensors of rotation and an angle of rotation of the crankshaft (see subsection
12. On cars with transmission 4HP22EH disconnect the socket on the left side of transmission.
13. Substitute under transmission the cart with a jack, prop up the pallet through a board and turn off bolts of fastening of support and an intensifying beam to a body. Lower the power unit on a cross-piece of a forward suspension bracket.
14. Turn off bolts of fastening of transmission to the engine.
15. Remove a side lattice in a case of the hydrotransformer (2) and separate transmission, holding the hydrotransformer so that it remained on transmission (1 – a drive plate). In process of removal of transmission the screw-driver make effort in the direction of an arrow.
16. If transmission changes, then rearrange the hydrotransformer on the new unit. For removal screw 2 long bolts in openings of the hydrotransformer and evenly wrapping them. The order of installation is described below.

17. Installation is carried out upside-down. Before assembly blow and wash out pure transmission liquid of a tube of a cooler. On transmission 4HP22EH attach the socket so that tags coincided. Adjust all cables and draft of the selector.