Mazda 2008 diesel fuel filter purge
 

Hi I need to change my fuel filter but I'm not sure how to purge the air once its fitted. Also when I remove the old one will there be any pressure in the pipes ?

Make sure that the engine is off. There won't be any pressure, but hoses will dribble.


There may be a hand pump/plunger on top of the fuel filter housing to bleed / pressurise the fuel system.