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
   + System of injection of Mono-Motronic
   - System of injection of Digifant
      Operating procedure
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Removal of vpryskny nozzles
      Check of the mode of idling and analysis of exhaust gases
      List of malfunctions
   + System of injection of KE-III-Jetronic
   + Systems of injection of MPI and MPFI
+ 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
+ body Elements
+ Search of malfunctions
+ Specifications

Removal of vpryskny nozzles


  1. To remove vacuum hoses to the amplifier of brakes on a final collector.
  2. To remove the valve of stabilization of idling and its fastening.
  3. To turn off a fixing bracket between an inlet collector and a cover of a head of the block of cylinders.
  4. To remove a vacuum hose to the fuel supply pressure regulator (Carefully! Residual pressure).
  5. To remove plugs on directing wires to vpryskny nozzles, and also plugs on vpryskny nozzles.
  6. To turn off directing wires to vpryskny nozzles.
  7. To turn out both fixing screws of a pipe of the distributor of fuel.
  8. To remove a fuel distributor pipe together with all vpryskny nozzles.
  9. To remove fixing buckles and to extend vpryskny nozzles from a distributor pipe.
  10. At installation to pay attention: it is necessary to replace the damaged sealing rings and laying of a nest of valves (in a head of the block of cylinders).
  11. To oil all rubber details before installation. To install valves together with a distributor pipe.