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Fuel Pump: Installation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Fuel pump strainer must be in a horizontal position when installing fuel tank sending unit into fuel tank. Ensure fuel pump strainer does not block the travel of the fuel sensing unit float arm.

Clean fuel sending unit sealing area. Install NEW fuel sending unit "O" ring onto the fuel tank opening. Lower fuel tank sending unit into fuel tank. Install fuel sending unit assembly retaining ring using Retaining Ring Remover/Installer (J-44402). Reinstall fuel tank. See FUEL TANK . Check for fuel leaks.