SEAT Workshop Service and Repair Manuals

Gas line: Draining   WARNING Liquified gas is heavier than air! In the safety are, there should be no recesses, pits, channels, cellars or other rooms that are in lower areas where the gas is able to escape to. There must be no active sources of ignition, such as open fire, electric sparks, electrostatic dischrage and hot surfaces that may lead to the ignition of the liquified gas.

–  Remove the bolts -arrows- of the gas tank flap. Start the software BiFuel –  interrogate fault memory → Chapter.

–  For establishing contact, press the F3 button. The connection established is displayed in segment -arrow-. –  Press the F7 button.

–  Select the menu entry -1-„Pgas“ and -2- start.

–  Select the register card -1- and start with -2-.   WARNING Liquified gas tanks may not be emptied in closed rooms! There is a risk of explosions or poisoning! Fuel tanks must always be drained outside!

Altea, Altea XL 2009 ► –  Start the engine and wait until the fuel selection switch (Petrol / Gas) -E395- can be positioned to Gas -arrow-.

Leon 2009 ► –  Start the engine and wait until the fuel selection switch (Petrol / Gas) -E395- can be positioned to Gas -arrow-. Continued for all vehicles –  Undo the nut -1- of the valve for the gas tank -N495--2- and remove the valve in the -direction of the arrow-.

The connector remains connected. You must be able to clearly hear when the valve for the gas tank -N495- closes. The pressure reduction may take a few minutes, however, the time can be reduced by accelerating several times.

–  The gas line is almost depresurised when the pressure display -arrow- has dropped. As soon as the fuel pressure has been elliminated completely, switch off the ignition. –  Remove the battery -A- and its mount → Electrical system; Rep. gr.27. –  Remove air filter with its housing → Chapter.   WARNING Liquified gas can cause injuries. The system is pressurised! Meet the required measures: Wear protective gloves and safety goggles. Wrap a cloth around the connection before opening the system. Then release pressure by carefully loosening the connection.

–  Carefully undo the screw connection -arrow- of the gas line -1- on the gas inlet of the filer housing using a hollow bolt.