Skoda Workshop Service and Repair Manuals

Removing and installing fuel delivery unit Special tools and workshop equipment required t  Key -T30101 (3087) - t  Protective gloves Removing l  The fuel tank must not be more than 1/3 full.   Note t  If necessary drain the fuel tank → Chapter. t  Safety precautions when working on the fuel supply system → Chapter. t  Rules of cleanliness when working on the fuel supply system → Chapter. –  Switch off the ignition and all electrical components and take out the ignition key. –  Remove rear seat bench with brackets → Body Work → Rep. gr.72. –  Remove floor covering under the rear seat bench.

–  Unclip the cover -4- with the fuel pump control unit -J538--1-. Vehicles with auxiliary heating. –  Unplug the 2-pin plug of the dosing pump -V54-. Continued for all vehicles

–  Disconnect the plug as well as the black feed line -1- and the blue return-flow line -2- from the flange.   Note Press in the securing ring in order to unlock the line. Vehicles with auxiliary heating. –  Pull out the suction line for the dosing pump -V54- (slacken lower terminal). Continued for all vehicles

–  Open lock ring with the wrench -T30101-.

–  Slightly raise the closing flange and check if the spring -2- is still fastened on the flange -1-.    If the spring -2- is loose on the guide pipe -3-, hold it with your fingers while removing the closing flange. –  Pull out closing flange and gasket ring of the fuel delivery unit from the opening of the fuel tank and place to the side with the connected lines. –  Remove the suction jet pump from the fuel gauge sender 2 -G169- → Chapter.

–  Separate through the opening of the fuel tank the fuel line -1- to the suction jet pump, to do so press the release button. –  Separate the fuel delivery line -2- from the fuel delivery unit.   Note t  You must wear protective gloves for removing the fuel delivery unit. t  Take the fuel delivery unit out of the fuel tank in such a way that the electrical cables and the fuel hoses are not damaged and that the float arm of the sender for the fuel gauge display - G- is not bent. t  You must empty the old delivery unit before disposing of it if you wish to replace the fuel delivery unit. –  Pull the fuel delivery unit out of the opening of the fuel tank. Install Installation occurs in reverse order. However, pay attention to the following: –  Insert the new dry gasket ring into the opening of the fuel tank and moisten only from the inside with fuel for installing the closing flange. –  Insert the fuel delivery unit into the fuel tank with the closing flange placed to the side. Thus, do not bend the float arm of the fuel gauge sender unit - G-. –  Install the fuel delivery unit and the fuel line.

l  The spring -2- must be fastened to the retaining lugs -1- of the closing flange. –  First of all guide the guide pipe -3- into the guide bore -4-. –  Then lower the closing flange in such a way that the guide pipe -6- locks into the guide bore -5-.   Note

Pay attention that the electrical cables -1- and the fuel feed line -3- are routed according to the illustration and the float arm -2- is not blocked. –  Press the closing flange down and bring it into the installation position. Further information:

t  Fitting position of the fuel delivery unit: The peg -2- at the closing flange must be located between the pegs -1- and -3-. The -thick arrow- points in the direction of travel. t  Tighten the lock ring to 110 Nm. t  Do not interchange feed line and return-flow line. t  Make sure the fuel lines fit tightly. t  After installing the fuel delivery unit, check whether the feed line and the return-flow line are still clipped in place on the fuel tank.