VW Passat B5

since 1996 release

Repair and operation of the car



Foltsvagen Passat B5
+ Maintenance instruction
+ 1. Maintenance
+ 2. Engines
+ 3. Cooling system
+ 4. Fuel system
+ 5. Engine management
+ 6. Exhaust system
- 7. Transmission
   + 7.1.2. Clutch plate
   + 7.2. Mechanical transmission
   - 7.3. Automatic transmissions
      7.3.1.2. Adjustment of the mechanism of gear shifting
      7.3.2. Completely automatic transmission
      7.3.2.1. Adjustment of a cable of switching (automatic transmission)
      7.3.2.2. All-wheel drive cars
+ 8. Running gear
+ 9. Steering
+ 10. Brake system
+ 11. Body
+ 12. Heating, ventilation
+ 13. Electric equipment






7.3.2. Completely automatic transmission

GENERAL INFORMATION

On the Passat cars are established four - or five-step completely automatic transmissions.

The automatic transmission consists of the hydrotransformer, planetary transfer, and also coupling and brakes with the hydraulic and electric drive.

The torque from the engine to the transmission is transmitted through the hydrotransformer which performs function of liquid coupling and operates as automatic coupling, also provides torque transmission at acceleration.

The control of the automatic transmission is made by the block of electronic control. The electronic block on the basis of more extensive information sets an optimum operating mode of the transmission for everyone ekspluatatsionno го the mode. For control of the transmission there are no modes switching my manually, such as economic and sports. The control unit on the basis of information on the speed of the movement of the car, the provision of a pedal акселерато ра, and also manners of the movement chooses the corresponding transfer. Also at the time of gear shifting traffic conditions existence of the trailer and wind influence.

If it is faulty any of sensors or magnetic the valve, there is a switching of the control unit of the transmission to emergency operation, and malfunction registers in memory of the block.

It is allowed to make towage of the car with the automatic transmission on wheels on distance to 50 km with the maximum speed of 50 km/h. All-wheel drive cars with the automatic transmission are forbidden to be towed, having lifted one axis of the car.

The transmission represents very difficult unit and repair it it is necessary to make in is specialized ache a workshop. Before repair of the transmission it is necessary to define the nature of malfunction which can be electric, mechanical or hydraulic.

Do not remove the transmission from the car for repair before malfunction as the majority of tests demands that the transmission was in the car is not professionally revealed.