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Old 21st March 2018, 09:43 AM
snapdragon snapdragon is offline
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I used to do what you said with the Passat but on the A8 it says...

Fill new filter with clean diesel fuel. This will enable the engine to start more quickly.

Bleeding fuel system
Due to the design of the engine, with a fuel system pressurisation pump located in the fuel tank, it is not necessary to bleed the fuel system.
The fuel system bleeds itself when the starter is operated.

So I just get a bit of diesel (~300ml) in a clean bottle or jar when filling up and fill the filter with a clean jug (very important no particles get into this diesel). You could probably use paraffin if you have some.
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