Fuel System Cleaning

WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When flushing the fuel tanks, handle the fuel and water mixture as a hazardous material. Handle the fuel and water mixture in accordance with all applicable local, state, and federal laws and regulations.

Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove the fuel tank. See FUEL TANK . Remove the fuel sender assembly. See FUEL SENDER ASSEMBLY .
Inspect the fuel sender strainer. Replace the fuel sender assembly if the fuel strainer is contaminated. Flush the fuel tank with hot water. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to be sure that the removal of the water from the fuel tank is complete.
Allow the tank to dry completely before reassembly. Install the fuel sender assembly. See FUEL SENDER ASSEMBLY . Install the fuel tank. See FUEL TANK .