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





Organization of a workplace

If care of the car has to remain just a hobby, then to it there have to correspond also external conditions.

Always to put the car on a support!

Jacks are good only to raise the car. They cannot serve as a reliable support during the works under the car. Even in the biggest haste do not forget about the correct support for your raised car!

For fixing of the car during rise by a jack it is necessary to prop up wheels. For this purpose it is necessary to enclose under them the stones, wooden or iron "boots" or other objects holding the car from rolling.

What is good as a support?

Hollow blocks proved as a possible inexpensive support. However they should not be damp or with cracks, otherwise under loading they can develop (to collapse). Between the block and a body it is necessary to lay a board in order that loading was distributed evenly on the surface of all block. The block has to stand surely openings up (vertically) on flat and capable to sustain surface loading (concrete or asphalt).

False racks are an ideal addition to a garage jack. However there is a danger that at growth of one party of the car of a rack, established on the other hand, can overturn because of the wrong installation of a tripod. It is the best of all to establish racks so that one leg showed aside, and two – in the car. Racks have to have the sufficient area of a support!

The platform is, certainly, the best option of a support as here the jack is not necessary. Besides, the car stands rather securely.

Jacks

There are many designs of jacks – the for each purse and each purpose. Here some of them are listed:

Automobile onboard jack: always it is necessary to enclose a small plate that a support of a jack it was not pressed into soil.

Jack of parallelogramny type: it is worth getting only a strong design. The similar jack approaches also during the works with the car which body in places of rise already slightly decayed. In that case it is possible to establish a similar jack closer to the middle of a body.

Hydraulic plunger jack: before purchase you have to check rise height. Too short jack will not lift a car wheel rather highly. Too high jack in general cannot be established correctly on soil.

Garage jack: the short small garage jack which is convenient for storing well will be suitable for those who prefer to work independently.



The onboard automobile jack (2) can be established only under the marking (1) which is beaten out on a body in a car bottom groove. It needs to be considered both in front and behind.

Also under marking (1) such garage jack is established. However in this case the longeron under a body will approach better. Not to damage it, it is recommended to enclose a plate (2) between a jack and a body.


 Never forget to substitute a support if you work under the car!








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