How to change fuel filter (diesel cars)

[Iaintruten]

great thread.  one question. how low should fuel tank be. I've been draining fuel filter for ages now and so far took about 5 litres out. learned lesson after losing first 3. now draining into a petrol can.

hey barker,

im intrigued to know how you got on in the end with your filter change?  Did you end up draining the whole tank? so are we meant to drain tank and then refill with diesel and then start the car?

You don't drain the whole tank when you take out the bleed screw on the filter housing it will only drain what's in the housing and in the pipes up to the high pressure fuel pump, but for fuel wise I would have at least quarter of a tank as so when you go to prime it all up when the new filter is in your not drawn all the crap up from the bottom of the tank. As if you start it straight away you will draw in air, by priming I mean ignition on and off at least 10times until you cant hear the fuel been pushed up the pipes anymore then start it.

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