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Picture of Vw Jetta '04 Tdi Pierburg Fuel Pump Clean/Fix

after lifting a back seat on the passenger side and unscrew the cover, you have access to a pump. if the black nut is not tight good enough, the fuel will appear on the top. prevent this after cleaning or fixing the device. now, press the snaps showed on the picture and lift the fuel hoses. disconnect electric wires as well. unscrew the big black nut. save the seal. you must find a best for you way to do this. mine was not tide hard. use - for example - a screwdriver and a hammer to unscrew it. i assume, you are technically inclined man :-). these hoses are fragile, so put them away before the next step in the gentile manner. after these steps you will be able to lift the pump. remember about spillage the oil (diesel fuel). after the pump removed, you have good access to clean the tank. i used a suction hand pump to remove still quite a lot of the fuel. the tank bottom has a complicated profile at the bottom. remove the fuel filler cap. did i mentioned that the job should be done when the tank is almost empty? ;-)

Step 1: Wires and Hoses

Picture of Wires and Hoses

take the pictures to remember how to assemble it back. i had a problem with the hoses. i had to cut one of them. of course i had to replace with a new one. well, take my problem with a consideration. it was not easy to install the new one back.