Vehicle fuel system Audi A4 B5, petrol
Fuel tank and fuel pump
The fuel tank in the Audi A4 quattro is a small miracle of technology. Here the fuel tank is photographed from below with the rear axle removed. In this photo,...
The fuel tank in the Audi A4 quattro is a small miracle of technology. Here the fuel tank is photographed from below with the rear axle removed. In this photo,...
What is fuel tank ventilation for?
The solenoid valve for the carbon filter is located on the lower left at the rear of the engine compartment 1 - tube to the carbon filter; 2 - electromagnetic...
The solenoid valve for the carbon filter is located on the lower left at the rear of the engine compartment 1 - tube to the carbon filter; 2 - electromagnetic...
Fuel tank fuel level indicator sensor
The support body photographed here is usually glued into the fuel tank; but here it is shown separately for the sake of clarity. Dismantling of the fuel level...
The support body photographed here is usually glued into the fuel tank; but here it is shown separately for the sake of clarity. Dismantling of the fuel level...
Dismantling fuel lines
In our fuel-injected engines, the hoses and fuel lines must withstand a pressure of more than 5 bar. Therefore, the hoses are made of pressure-resistant...
In our fuel-injected engines, the hoses and fuel lines must withstand a pressure of more than 5 bar. Therefore, the hoses are made of pressure-resistant...
Electric fuel pump
In all Audi A4 engine versions, the electrically driven fuel pump is integrated into the intake manifold housing at the bottom of the fuel tank. It receives...
In all Audi A4 engine versions, the electrically driven fuel pump is integrated into the intake manifold housing at the bottom of the fuel tank. It receives...
Dismantling a petrol pump with an electric drive
The so-called fuel supply module consists of: 1 - mounting nuts for connecting the pump to the power supply; 2 - electrical wires from the blind flange to the...
The so-called fuel supply module consists of: 1 - mounting nuts for connecting the pump to the power supply; 2 - electrical wires from the blind flange to the...
Replacing the fuel filter
The fuel filter in the Audi A4 is designed in such a way that it does not need to be changed throughout the life of the engine. This is very good, since to...
The fuel filter in the Audi A4 is designed in such a way that it does not need to be changed throughout the life of the engine. This is very good, since to...
Removal the air filter insert
Execution order 1. Where available, remove the cover on the air filter. 2. Remove the air intake hose from the air filter housing and place it in front of the...
Execution order 1. Where available, remove the cover on the air filter. 2. Remove the air intake hose from the air filter housing and place it in front of the...
Blowing out the air filter insert
Every 15,000 km or annually, we recommend cleaning the paper filter insert from large dust particles. When driving on very dusty roads, this interval can be...
Every 15,000 km or annually, we recommend cleaning the paper filter insert from large dust particles. When driving on very dusty roads, this interval can be...
Preheating of intake air
Six-cylinder engine The automatic preheating device for intake air is located on the inlet side of the air filter housing. Its task is to maintain a favorable...
Six-cylinder engine The automatic preheating device for intake air is located on the inlet side of the air filter housing. Its task is to maintain a favorable...
Switchable intake manifold
The 2.6-liter six-cylinder engine does not have a switchable intake manifold. Its intake manifold consists of the units shown here. Particular attention has...
The 2.6-liter six-cylinder engine does not have a switchable intake manifold. Its intake manifold consists of the units shown here. Particular attention has...
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