Fuel System Cleaning. Buick GL7 (Export) 2000

For 1990-2009 cars

Notice: Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering the open pipes and passages.

Important: When flushing the fuel tank, the fuel and water mixture needs to be treated as a hazardous material. The material needs to be handled in accordance with all local, state and federal laws and regulations.

Important: When ever the fuel tank is cleaned, the fuel pump fuel strainer must be inspected. If the fuel pump fuel strainer is contaminated, the fuel pump fuel strainer must be replaced and the fuel pump must be inspected.

Important: Always maintain cleanliness when servicing fuel system components.

1. Remove the fuel tank. Refer to Fuel Tank Replacement .
2. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
3. Inspect the fuel pump inlet for dirt and debris. If dirt and debris are found, the fuel pump needs to be replaced.
4. Flush fuel tank with hot water.
5. 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.
6. Allow tank to dry completely before reassembly.
7. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
8. Install the fuel tank. Refer to Fuel Tank Replacement .