Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car



Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
- Automatic transmission
   Specifications
   Search of malfunctions - the general information
   + Automatic transmission 722.5
   - Automatic transmission 722.6
      Removal and installation of the AT electrohydraulic control unit (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 of B2, B3 and gear wheel of blocking of transmission in situation "P"
      Dismantling and assembly of a back hollow shaft with the back coupling of a free wheeling
      Removal and installation of a multidisk brake B1 and oil pump
      Dismantling and assembly of the oil pump
      Dismantling and assembly of a multidisk brake of B1
      Dismantling and assembly of a multidisk brake of B2
      Dismantling and assembly of an output shaft with the central and back blocks of planetary gear wheels
      Removal and installation of multidisk couplings K1, K2 and K3
      Dismantling and assembly of coupling of K1
      Dismantling and assembly of the leading shaft with coupling by K2 and the forward block of planetary gear wheels
      Dismantling and assembly of coupling of K3
      Removal and installation of the mechanism of blocking of transmission in 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






Removal and installation of the AT electrohydraulic control unit (transmission is established)

Removal

Details of installation of the AT electrohydraulic control unit

2 — Transmission
3 — the Pallet
3a — the Connector
3b, 19a — Bolts
4 — the Drain stopper
5 — the Oil filter
19 — the Electrohydraulic control unit

21 — the Directing plug
26 — the 13-contact socket
62 — the Guard
a — the Opening under the n3 RPM meter (Y3/6/1)
b — the Opening under the n2 RPM meter (Y3/6/2)


 PERFORMANCE ORDER

1. Install the gear shifting selector lever in situation "P".
2. Remove a guard (62) and disconnect the 13-contact socket (26).
3. Weaken the directing plug (21) and remove it from transmission.
4. Merge transmission liquid, having turned off a stopper (4).
5. Remove the pallet (3).
6. Remove an oil filter (5).
7. Turn off bolts (19) and remove the electrohydraulic block (19).

Installation

Installation is taken place in an order, the return to removal.












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