Mercedes S-Class W-140

In 1991-1999 editions

Repair and enterprise of the car


Mercedes S-Class
+ Mercedes Benz cars of the class S (W-140)
+ operation manual
+ Routine maintenance
+ motor
+ cooling systems, heating
+ systems of power supply and edition
+ electric equipment of the motor
+ Gear shifting boxes
- awtomatitscheckaja transmission
   Specifications
   Search of defects - the general information
   + Automatic transmission 722.5
   + Automatic transmission 722.6
+ connection
+ brake system
+ Aufhängung and management
+ body
+ electric onboard equipment


Search of defects - the general information

At detection of defect of automatic transmission you check the ATF level (first of all, watch chapter Routine maintenance). If level is not enough, you check a condition of the relevant networks. Attentively you look at all hoses which have a relation to liquid transmissionnoj, and also to be convinced, the refrigerator and in lack of traces of a vytecheniye. Only what you independently still can force, it and if to check it is necessary to replace sensors which have a relation on functioning of transmission., Before replacing some sensor, carry out reading of Kodes of defects on memory of the control unit.

At rather serious breakage the tax system of a box will pass into the mode of sure functioning, at the same time the corresponding code (or codes) bringing in memory of the control unit. It is possible to consider Kodes by means of the special equipment (watch chapter the electric equipment of the motor).

In the absence of it, you define the defect nature (electrically or mechanically).

Do not try to accept boxes as diagnostics is filled only on the boxes defined on the motor.