Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car


Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
- Automatic transmission
   Specifications
   + The automated box of gear shifting 716.6
   - Automatic transmission 722.6
      Search of malfunctions - the general information
      Problems of the block of electronic control and the operating signals
      Removal and the AT installation with the hydrotransformer
      The AT electrohydraulic control unit (AT is established)
      Dismantling and assembly of the electrohydraulic control unit
      Dismantling and assembly of a plate of gear shifting
      Case of transmission and hydrotransformer
      Multidisk brakes of B2, B3 and gear wheel of blocking at "Parking"
      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 block 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
      The blocking mechanism at "parking"
      Removal and installation of the lever of the selector of gear shifting
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Dismantling and assembly of a plate of gear shifting

Gear shifting plate

And — the Valve of adjustment of working pressure. Valve of adjustment of pressure of lubricant. The valve of adjustment of overlapping at inclusion of 2-3 transfers
In — the Block of inclusion of 1-2/4-5 transfers. Valve of adjustment of pressure of gear shifting 		With — the Block of inclusion of 3-4 transfers
D — the Block of inclusion of 2-3 transfers
Coupling of blocking of the adjusting valve. Adjusting B2 valve

Dismantling of a plate of gear shifting

71 — Bolts
72 — the Cover of the case of valves
73 — the Sealing plate 		74 — the Case of valves
82 — the Clamp

Dismantling of a plate of gear shifting

59 — the Directing finger
75 — Plastic ball valves 		76 — Steel ball valves
143 — the Central clamp

Dismantling of a plate of gear shifting

72 — the Case of valves
72.1 — Transfer choice valve
72.2 — Adjustment valve
blockings of 2-3 transfers with the plug and the piston
72.3 — Adjustment valve
lubricant pressure
72.4 — Valve of adjustment of working pressure 		72.5 — Valve of fixing of inclusion of 3-4 transfers
72.6 — The operating valve of inclusion of 3-4 transfers
72.7 — The valve of switching of pressure at inclusion of 3-4 transfers
72.8 — The valve of adjustment of blocking of 3-4 transfers with the plug and the piston

Dismantling of a plate of gear shifting

74 — the Case of valves
74.14 — The operating valve of inclusion of 1-2/4-5 transfers
74.15 — Valve of fixing of inclusion of 1-2/4-5 transfers
74.18 — The valve of adjustment of blocking of 1-2/4-5 transfers with the plug and the piston
74.19 — Valve of adjustment of pressure of gear shifting
74.20 — Valve of adjustment of pressure of the adjusting valve
74.21 — The valve of adjustment of pressure of the switching valve 		74.22 — Blocking adjustment valve hydrotransformer
74.24 — The valve of switching of pressure at inclusion of 3-4 transfers
74.25 — The operating valve of inclusion of 2-3 transfers
74.26 — Valve of fixing of inclusion of 2-3 transfers
74.27 — Valve of switching B2

The plate of gear shifting is shown on an illustration.

Dismantling

 PERFORMANCE ORDER

1. Turn off clamps (82) (address an accompanying illustration).
2. Turn off bolts (71).
3. Uncover the case of valves (72) the case of valves (74).
4. Remove a sealing plate (73). All 12 balls are located in the case of valves, four (75) of which - plastic, other 8 (76) - steel.
5. Turn off covers of the case of valves. Plugs and pistons of adjusting valves 72.2, 72.8 and 74.18 should not be mixed. The valve of switching B2 can be removed and installed when the case of valves is uncovered.


Assembly

Assembly is carried out as it should be, the return to dismantling. Implant the directing finger (59) into the case of valves (shooter).