Fuel System Cleaning
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. 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 a contaminated strainer and inspect the fuel pump. Inspect the fuel pump inlet for dirt and debris. Replace the fuel pump if you find dirt or debris in the fuel pump inlet. 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 .