Before repairing or servicing the gas gauge fuel level sensor, first let the pressure in the fuel system go. Separate the negative
Battery Cable and drain the fuel so it is not above 5/8 of a tank to stop spills. Use a hard nylon tube with a 30" cut to take out about half the tank's fuel and allow the check valve to open. To access the modules, slip the rear lower seat armrest behind and above the cushion, then fold back the cover foam pad revealing it. Take out the left side module and remove the connection from the electrical connector. Insert tool #9340 into the center of the lock ring on the left side module, drain the left side tank by pushing a hose into it and keep lifting the module to allow the hose to flow in fully. Go as far as you can with the module, break the connection to the bottom electrical and then pump the left side module. Take off the top of the module and tip the base end so that the fuel can easily drip out. With the release tab pushed in, separate the fuel line from the fitting on the fuel pump. Then, take out the supply line from the module's bottom end. Disconnect the fuel return and siphon return lines by pulling them up and then take them off from under the bottom module. Open the right side floor pan, take off the plastic covers and disconnect the fuel supply hose from the module, marking it so you remember which way it connects. Use special tool #9340 to separate the right side module lock ring and empty fuel from the right side of the tank the same way you did before. Work the module out of the tank, open the latch holding the fuel level sensor card to the module and take out the ground wire from both the check valve and the fuel pressure regulator. Next, take out the fuel level sensor card from the module and cut the tie straps on the hoses to free the fuel level sensor's wiring harness.