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

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Dismantling and assembly of the electrohydraulic control unit

Dismantling and assembly of the electrohydraulic control unit


16 — a gear shifting Plate 17 — Clamps 17a, 17b — Bolts Y3/6 — the Electrohydraulic control unit Y3/6/y1 — the Electromagnetic valve of adjustment of pressure of adjustment Y3/6/y2 — the Electromagnetic valve of adjustment of pressure of gear shifting	Y3/6/y3 — the Electromagnetic valve of inclusion of 1-2 and 4-5 transfers Y3/6/y4 — the Electromagnetic valve of inclusion of 3-4 transfers Y3/6/y5 — the Electromagnetic valve of inclusion of 2-3 transfers Y3/6/y6 — the Electromagnetic valve of blocking the hydrotransformer

Dismantling

PERFORMANCE ORDER

1. Uncover at the electrohydraulic control unit.
2. Turn off bolts (17a) and (17b) and remove clamps (17).
3. By means of flat-nose pliers, take all electromagnetic valves (Y3/6/y1) – (Y3/6/y6) from a plate (16).
4. Remove the electrohydraulic block (Y3/6) from a plate (16). For removal of the electrohydraulic Y3/6 block it is necessary to wring out clamps on a stiffening rib of the sensor of temperature of transmission liquid.

Assembly

Assembly is carried out as it should be, the return to dismantling.