Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



Audi 80/Avant
- Technical specification
   Engines
   Transmissions
   Body
   Chassis
   15-inch wheels
   Brake system
   Seats
   Passive safety
   Four-wheel drive
   Distributive Torsen-differential
   Dynamics of the movement at a dry paving
   Instructions on operation for all-wheel drive cars
   Blocking of differential of the back bridge
   Motor compartment
   Regular servicing
   Organization of a workplace
   Lubricant works
   Oil consumption
   Right choice of engine oil
   Replacement of engine oil and oil filter
   Check of level of working liquid of the power steering
   Check of level of oil of the mechanical transmission
   Check of level of oil in the drive of the back bridge
   Control of the ATF level in the automatic transmission
   Check of level of oil in the main transfer of the automatic transmission
   ATF replacement
   Lubricant of hummock drives, hinges and locks
+ Engines
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Control of the ATF level in the automatic transmission

Continuous check

The automatic transmission is filled with synthetic liquid under the name Automatic Transmission Fluid. This liquid serves as lubricant means, and also for management of hydraulic pressure in the transmission. That it met the put requirements, ATF has to be checked and have the designation "Dexron" (with the subsequent control number). Incorrectly chosen liquid can cause the damage of the transmission which is not subject to repair!

 PERFORMANCE ORDER

  1. When checking ATF has to have working temperature that approximately corresponds to a trip on 10 km. The amount of liquid changes depending on temperature. In a cold state controlled level is too low, after a long trip too high.
  2. To put the car on the parking brake, to install the transmission handle on situation "P", to leave the engine to idle.
  3. To extend the ATF probe located in the direction of the movement at the left behind from the engine. He can be recognized on the handle. It is necessary to wipe it only absolutely dry and not leaving fibers rag.
  4. To insert the probe and once again to extend it. The amount of liquid between the top and lower mark makes 0,23 l.
  5. Between both markings transparent ATF has to be visible. Marking on a tip of the probe is intended only for measurement when filling in case of ATF replacement.
  6. Before ATF it was always transparent and painted in light-red color. Now liquid which in use can be painted in black-brown color is applied.
  7. If ATF on the extended probe smells of ashes, so there is some damage of the transmission.
  8. At too low level of liquid it is impossible just to add ATF, it is necessary to check the transmission for existence of a leak. You have to entrust necessary works on sealing to a workshop.
  9. Too high level of liquid can speak damages of laying between planetary transfer and the drive of the bridge.
  10. To check oil level in the bridge drive.
  11. If there is not enough oil, then it is necessary to carry out new sealing of both knots in a workshop and to replace ATF.
  12. If oil level is in the drive of the bridge at the normal level, then in this case surplus of ATF is just sucked away from the automatic transmission. Too high ATF level can also lead to damages of the transmission.







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