how replce fuel tank

Should be about like any other, pull off gas cap. See where the filler neck needs to be loosened up may need to remove some bolts there at filler door. Look under the rear of the car and see where the filler tube is ans if there is any clamps or other items that need took off or undone in-order to remove the tank when ready, then look at tank see if it has a cover on it if so remove it and the then the tank straps are there but do not loosen them yet. "Rest is Quote from a Website" Remove the rear lower seat cushion. Release the latches and pull upward on the rear lower seat cushion and remove. Position the rear floor carpet and any padding or insulation covering the fuel pump module access cover aside. Remove the fuel pump module access cover. Clean the surrounding area of the fuel pump module mounting flange and the quick connect couplings with compressed air. Disconnect the fuel pump module electrical connector. Place absorbent pads in the general work area in case of fuel spillage. You may have to relieve the fuel pressure. Disconnect the rear fuel supply tube-to-fuel pump module quick connect coupling. Disconnect the fuel vapor control tube assembly valve-to-fuel pump module quick connect coupling. nstall the special tool and remove the fuel pump module lock ring. Carefully lift the fuel pump module out of the fuel tank allowing access to disconnect the crossover tube quick connect couplings. Disconnect the crossover tube-to-fuel pump module quick connect couplings. If leaving the pump in continue to loosen the tank straps and drop tank if removing the pump too Completely remove the fuel pump module from the fuel tank. To install new pump remove old O 'Ring and install new one and apply clean engine oil to the new O-ring seal. Reverse the removal procedure. Make sure the alignment arrows on the fuel pump module and the fuel tank meet before tightening the fuel pump module lock ring. Tighten the fuel pump lock ring until it meets the stop tabs on the fuel tank.

Take it to someone else to do, it is not fun, pain in the butt.

Why do the light comes onto check fuel cap?

Make sure it is on tight.