SOLVED: How to change a fuel filter on 1996 GMC Sierra - Fixya Aug 09, 2010How to change a fuel filter on 1996 GMC Sierra. Posted by jjamesoneill on Aug 09, 2010. The fuel filter is located under the truck about half way back beside the inside frame rail. You will need open end wrenches or preferably line wrenches with a slot to get over line. Remove fuel pump fuse and try to start truck to relieve fuel pressure. 1996 GMC C1500 Fuel Filter | AutoPartsWarehouse Looking for a 1996 GMC C1500 Fuel Filter? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!