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
+ System of ignition
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
- Heating and ventilation
   Check of heating and ventilation
   Heater fan
   Replacement of the dustproof filter
   Drive of heating and ventilation
   List of malfunctions
+ body Elements
+ Search of malfunctions
+ Specifications

List of malfunctions


Its reason
Than to help
A. Unsatisfactory heating capacity 1. The cable of heating is torn or gear gearing of the rotary switch of heating is defective
2. The heater gate does not open
3. The air gate does not open
4. In front of the heat exchanger a lot of garbage collected
5. The thermostat of the cooling system opens too early, cooling liquid remains too cold
To check, if necessary to replace
To check position of the gate and lever
To check a drive cable, position of the gate and lever
To remove the fan of salon, to clear the heat exchanger the vacuum cleaner
To replace the thermostat
B. It is impossible to disconnect heating See A1