RX-7 FD - Part 18 - How To Change The Fuel Filter - YouTube Click to view on Bing8:04In this episode we're tackling the old fuel filter and replacing it with a brand new one. Replacing the fuel filter really is an awkward job due to it's location behind the rear differential.Author: Howzer TechViews: 6 FD RX-7 Fuel Filter Relocation - YouTube Click to view on Bing17:23It is time to get the FD RX-7's fuel filter moved to a more accessible location. The factory location is mounted to the body just above the rear diff and generally tedious to service. While IAuthor: Icon GarageViews: 2 How to Replace the Fuel Filter - Rx-7 The less fuel you have in the tank the better. If you only have a gallon or two and you open the fuel cap very little fuel will leak out. I used 5/16 inch vacuum caps to cover the fuel filter pipes and two Bic pen caps to plug the 5/16 inch fuel lines to minimize fuel leakage. Put a towel over you to soak up any gas that may drip on you.