The GMC Yukon is a full-size SUV very similar to the Chevrolet Tahoe. The Yukon XL has a longer wheelbase than the base model, and the Yukon Denali is a luxury version of the Yukon. The most common engine in the 2000 GMC Yukon is an 8-cylinder 5.3-liter engine that uses sequential fuel injection. All versions of this vehicle have an electric fuel pump that supplies fuel to the fuel injection under high pressure.
Tools Used: Tools, Socket wrench set, Shop towel, Fuel tank sending unit wrench
Fuel Pump Replacement
Disconnect the cable on the negative terminal of the battery with a socket wrench. Remove the filler cap on the fuel tank, and wrap a shop towel around the fuel pressure fitting on the inlet fuel pipe of the fuel injectors. Connect a fuel pressure gauge to the fuel pressure fitting. Place the hose for the fuel pressure gauge into a gasoline container, and open the valve on the gauge. Drain and disconnect the fuel tank. Disconnect the fuel pressure gauge from the inlet fuel pipe.