Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



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
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
- Body electrical system
   Minus to "weight"
   Orientation in the electrical system
   Wires
   Plug connections
   Central switchboard
   Additional block of the relay
   Relay and control units
   Unloading relay of contact of 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)
      Cooling system fan
      Turning on of the fan of the cooling system after termination of work of the engine
      Electronic system of injection, lambda probe
      Electronic system of injection
      Electronic system of injection, regulation on a detonation, the relay of the fuel pump, the fuel pump
      System of ignition
   + 2,6-liter 6-cylinder engine (110kvt)
   + Additional equipment
   + Battery
   + Generator
   Check of a condition of a maple or polilinovy belt
   Tension of a maple belt
   Tension of a maple or poliklinovy belt
   The belt torn maple
   Engine overheat because of damage of a maple belt
   Review of maple and poliklinovy belts
   Replacement of a maple belt
   List of malfunctions
   Starter
   List of malfunctions
+ System of ignition
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications





2,3-liter 5-cylinder engine (98 kW)

Cooling system fan

Colors of wires: br – to, ro/bl – kr/sn, ro/sw – kr / h, ro/gl kr/z, bl/ro – sn / the territory.

F18 – a cooling system fan thermoswitch
J101 – the relay of the second step of the fan of the cooling system
T3f – three-contact shtekerny connection of green color, behind the dashboard at the left
V7 – the cooling system fan
(32) – a point of "weight", behind the dashboard at the left
F87 – a thermoswitch of turning on of the fan of the cooling system after termination of work of the engine
J138 – the control unit of turning on of the fan of the cooling system after termination of work of the engine

T3a – three-contact shtekerny connection of black color, behind the dashboard at the left
(32) – a point of "weight", behind the dashboard at the left
(83) – connection on "weight" (case) – 1 – in an electrochain of a motor compartment on the right
G39 – a lambda probe with heating
J21 – the KE-Jetrolic control unit
L17 – the starting fuel valve
L71 – the idling stabilization valve