For interrupted work of diesel engine fuel system of the vehicle must be sealed for 100%. After repair or replacement of fuel system components such as filters, injectors, piping, valves, HPFP, the paging pump, etc., there should be carried out pumping fuel system ( removing air from the fuel system).
To remove air from the fuel system uses special equipment – BOSCH SET 2. To avoid further failure of fuel system components, work on pumping the fuel system should be carried out by workers of specialized stations. Fuel system may have irreversible consequences relates to fuel system components if procedure of pumping fuel system was done incorrect (especially HPFP).