My sis runs a 99 tdi ghiax. She broke down today, just cut out and ground to a halt. The RAC man tells her bubbles in the fuel line, prob need a new fuel pump. Anyone replaced a fuel pump, if yes how much please? Perhaps also the fuel filter needes replacing, is it part of the same component or totally separate? Cheers for any help, I don't want my sister to get ripped off by some dodgy garage dude! edit - is this the relay 30/27 type of problem???