Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation

Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ injection System
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
- Body electrosystem
   Minus to "weight"
   Orientation in electrosystem
   Plug connections
   Central switchboard
   Additional block of the relay
   Relay and control units
   Unloading relay of contact X
   Safety locks
   Table of safety locks
   Electric circuits
   + Full electroscheme of the Audi 80 car: 2-liter 4-cylinder engine (66 kW)
   + 2-liter 4-cylinder engine (85 kW)
   + 2,3-liter 5-cylinder engine (98 kW)
   + 2,6-liter 6-cylinder engine (110кВт)
   + Additional equipment
   + Storage battery
   + Generator
   Check of a condition of a maple or polilinovy belt
   Tension of a maple belt
   Tension of a maple or poliklinovy belt
   Torn maple a belt
   Engine overheat because of damage of a maple belt
   Review of maple and poliklinovy belts
   Replacement of a maple belt
   List of malfunctions
   List of malfunctions
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

Tension of a maple belt

By moderate pressing a thumb on maple the belt can be pressed through it between two pulleys as follows:

Maple a belt for
Belt sagging under thumb pressing, near
4-cylinder to сент. 91 g.
10 mm
All 4-cylinder
water pump, pump of the hydraulic booster
5 mm
All 4-cylinder
conditioner compressor
5 mm
The 5-cylinder
5 mm
The 5-cylinder
pump of a gidrousislitel
5 mm
The 5-cylinder
conditioner compressor
5 mm

If the belt is established new maple, it is necessary to check its tension approximately through 100 km and if necessary дозатянуть; new belts are first extended more strongly.

Tension of a poliklinovy belt

  • Poliklinova a belt of the 4-cylinder engine of the model which has been let out after September 91г., at control it is necessary to pull anew. So it is necessary to weaken a belt and to establish a tension according to the scheme described in the following paragraph.
  • Poliklinova the belt of the 6-cylinder engine always has the correct tension thanks to the automatic device of a tension.