Audi A4

Since 1994 of release

Repair and car operation

Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
- Fuel tank and the fuel pump
   For what ventilation of a fuel tank is necessary?
   The gauge of the indicator of level of fuel in a fuel tank
   The fuel pump with the electric drive
   Dismantle of the petrol pump with the electric drive
   Replacement of the fuel filter
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics


In our engines with injection of fuel hoses and gasoline pipe lines should maintain pressure more than in 5 bar. Therefore hoses are made of a material steady against pressure, and in junctions are in most cases screwed together or supplied by tightening collars.

Dismantle топливопроводов and fuel hoses


  1. Cleanliness – the organic law at works on fuel system. You should clear preliminary at least of a dirt that area where work will be made that the dirt has not got in opened топливопроводы.
  2. Easing of tightening collars: nippers flatten out a metal loop on its perimetre. At the expense of it tightening the collar extends, and the fuel hose can be removed rotary motions.
  3. If it is impossible, establish on hose edge рожковый a key and wring out it a hose.
  4. At installation you should use the screw instead of tightening collars.

     Important: the fuel system still long time after engine deenergizing can be under pressure.

  5. At gasoline pipe line unscrewing keep in readiness a rag that to you gasoline has not scattered in eyes.