Fuel Filter Replacement - 240sx Now mine was a bitch to get off because the filters have nipple like plastic tubes coming off the filter that can seize to the rubber fuel tubing a bit because the tubing gets hard over time. It took some effort to get the damn tubing off. (Note: Twist the fuel filter while holding the 240sx fuel filter replacement - Nissan Forum | Nissan Forums Apr 29, 2002240sx fuel filter replacement. Post by AZhitman » Tue Feb 21, 2006 3:52 pm . How to replace your fuel filter: It’s on the passenger side of the engine bay attached to the strut tower about halfway down. It looks like a little silver can with one black hose going into the top of it and one black hose coming out of the bottom.