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 electrical circuitry 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 (110 kW)
   + Additional equipment
   + Rechargeable 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
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Engine overheat because of damage of a maple belt

If at models with the 4-cylinder engine the belt of the pump of the hydraulic booster of the steering mechanism breaks maple, then the drive of the water pump at the same time is interrupted and the engine overheats. Because of it it is irreversible sealing laying of a head of the block of cylinders, and at worst even all head of the block of cylinders – with respectively high accounts for repair is damaged.

  • Therefore: if steering at models with the 4-cylinder engine during a trip suddenly becomes tyazhelokhodny, it is necessary to stop and check immediately serviceability of a maple belt over pulleys of the water pump and pump of the hydraulic booster. If fears were confirmed: to call the tow truck!
  • If the trouble happened to other maple belts, then it is not so tragic. In this case you go or without amplifier of steering (only models with 5-cylinder engines), either without generator, or with the idle conditioner to the next workshop.
  • In models with the 5-cylinder engine of danger of an overheat does not exist as the water pump is put in action by a gear belt here.
  • The same and at models with the 6-cylinder engine.








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