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, because in order to remove the filter, the entire fuel tank must be dismantled in the quattro. And this, in turn, requires the dismantling of the rear axle.
Therefore, the replacement of the fuel filter is only necessary in case of functional problems.
Fuel filter (2 - with pipelines 1 and 3) in models with front wheel drive, it is located exactly in front of the right rear wheel arch on the bottom of the car.
Fuel filter (2) quattro models is mounted on the right front end of the fuel tank. In addition, the numbers show:
1 - fuel line from the fuel tank to the filter; 3 - fuel line from the filter to the injection system.
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