Mercedes S-Class W-140

1991-1999 of release

Repair and car operation

Mercedes S-Class
+ Mercedes-Benz Cars of a class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ gear shifting Box
- Автоматичеcкая transmission
   Search of malfunctions - the general information
   + Automatic transmission 722.5
   - Automatic transmission 722.6
      Removal and AT electrohydraulic control unit installation (transmission is established)
      Dismantling and assembly of the electrohydraulic control unit
      Dismantling and assembly of a plate of gear shifting
      Dismantling and assembly of the case of transmission and hydrotransformer
      Dismantling and assembly of multidisk brakes В2, В3 and gear wheels of blocking of transmission in the situation "P"
      Dismantling and assembly of a back hollow shaft with the back coupling of a free wheeling
      Removal and installation of multidisk brake В1 and oil pump
      Dismantling and assembly of the oil pump
      Dismantling and assembly of multidisk brake В1
      Dismantling and assembly of multidisk brake В2
      Dismantling and assembly of a target shaft with central and back blocks of planetary gear wheels
      Removal and installation of multidisk couplings К1, К2 and К3
      Dismantling and assembly of coupling К1
      Dismantling and assembly of a leading shaft with coupling К2 and the forward block of planetary gear wheels
      Dismantling and assembly of coupling К3
      Removal and installation of the mechanism of blocking of transmission in the situation "P"
      Removal and installation of the lever of the selector of gear shifting
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Automatic transmission 722.6

Removal and AT installation with the converter of rotation (hydrotransformer)


Details of installation of assembly of AT with the hydrotransformer

4 — the Drain stopper of the pallet
9 — the Drain stopper of the hydrotransformer
26 — I Will corrode conductings
33 — the gear shifting Lever
46 — the grounding Tyre on "weight"
49 — the Oil pipeline
61 — Maslozalivnaya a tube
62 — the Guard
63 — Draught of gear shifting

64 — the Back arm of fastening of an exhaust pipe
65 — an engine Arm with a support
66 — the Driveshaft
80 — the Cable of inclusion of blocking at a parking
81 — a hydrotransformer Cover
94 — the Exhaust pipe
95 — the Bolt


1. Disconnect a negative wire from the battery.
2. Remove a maslozalivny tube (61) from the engine.
3. Unscrew a drain stopper (4) of the pallet of transmission and merge transmission oil.
4. Unscrew a drain stopper (9) of the hydrotransformer and merge transmission oil.
5. Remove a guard (62) and disconnect the 13-contact socket (26).
6. Disconnect a cable (80) inclusions of blocking at a parking.
7. Unscrew bolts (95) fastenings of the hydrotransformer to a leading disk, then uncover the hydrotransformer (81).
8. Unscrew the left and right oil pipelines (49) from an oil radiator.
9. Remove draft of gear shifting (63), having disconnected for this purpose a clamp.
10. Remove an arm (64) fastenings of an exhaust pipe.
11. Disconnect system of release (94).
12. Remove a fan casing from a radiator (see. Head of System of cooling, heating).
13. Unscrew a back arm of the engine with a support (65).
14. Unscrew the driveshaft (66).
15. Disconnect a connection wire on "weight" (46) from transmission.
16. Unscrew bolts of fastening of transmission to the block of cylinders and remove it down at an angle.
17. Remove the hydrotransformer.


Installation is carried out as it should be, the return to removal.