Cleaning Procedures
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the fuel sending unit.
- Inspect fuel strainer. Replace sending unit if the strainer is contaminated.
- Inspect fuel pump inlet for dirt and debris. Replace sending unit if dirt or debris is found in fuel pump inlet.
- Flush fuel tank with hot water.
- Pour the water out of the sending unit opening. Rock the tank to be sure that removal of the water from the tank is complete.
- Install the fuel sending unit.