A4 Audi
- Running gear
Protection of passengers
Full zinc covering
Full drive
Concepts of the all-wheel drive
Distributive torsen-differential
Dynamics of the movement on the dry road
Maintenance instructions of quattro cars
Mechanism of blocking of differential
Additional works on maintenance
Motive compartment
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics
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Maintenance instructions of quattro cars
The stand for test of brakes
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- An inspection of brakes on each axis can be carried out at the standard, slowly rotating stand for test of brakes (a move. 6 km/h).
- Thus the drive has to be from the test bench.
- It is impossible to include transfer and blocking of differential.
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The stand for check of power
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- Check of power at the traditional roller stand for two wheels is impossible.
- The roller test bench of power for four wheels has to be used.
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Wheels
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- All four wheels have to pass an identical site of a way (in an ideal to have also identical depth of a profile) for 1 turn.
- Balancing of wheels on the car (dynamic balancing) it is possible only if all four wheels are raised.
- The drive has to be carried out from the car engine (not from the balancing car). Important: switch off the emergency brake.
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Winter tires
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- Winter tires are recommended to be used also on quattro cars. Not so much because of road performance, how many because of brake characteristics.
- Chains of antisliding can be used when it is offered, also on quattro cars. Here too argument are brake qualities
- Chains of antisliding and on quattro are put only on forward wheels.
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Towage
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- If at towage all four wheels slide on soil, it is not necessary to observe any special instructions.
- If one of axes cannot slide (after accident), the car needs to be shipped on the wrecker.
- If there is no such wrecker, Audi can be towed with the raised axis. Condition: not further, than on 50 km, and not quicker, than 50 km/h. In case of excess of this limit damages of system of transfer because of a lack of greasing are possible.
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