Toyota 77020-02180 Fuel Suction Tube Assembly W/Pump & Gage

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General checks include ensuring there is enough fuel in the tank and verifying that the fuel pump runs by listening for a whirring noise when the ignition switch is turned on. If there is no response from the fuel pump, the electrical circuit should be checked. To perform a fuel pump pressure check, the fuel system pressure should be relieved and the fuel line should be removed. With the ignition key on, the fuel pump should run for about two seconds and the pressure should hold steady. If the pressure is not within specifications, possible causes include a clogged fuel filter, restricted fuel line, leaking fuel injectors, or defective fuel pressure regulator or fuel pump. If the pump does not turn on, the EFI fuse should be checked and replaced if blown. The wiring from the fuse/relay box to the fuel pump should also be checked if the relays are good but the pump does not operate.

You can relieve the fuel system pressure, remove the fuel line, and check the pressure on a gauge.

Check on the availability of parts before disassembling the unit. Relieve the fuel system pressure. Disconnect the cable from the negative terminal of the battery. Remove the fuel tank cap. Remove the rear seat from inside the passenger compartment. Remove the fuel pump/sending unit access cover. Unplug the electrical connectors, then disconnect the fuel lines. On 2003 and 2004 models, remove the fuel pump/sending unit retaining screws and remove the mounting flange. In 2005 and later models, the fuel pump assembly is retained in the tank by a large screw-on ring. A special tool is available which makes loosening and tightening this ring very easy, but a large pair of water pump pliers will work. Carefully withdraw the fuel pump/fuel level sending unit assembly from the fuel tank. The components of the fuel pump assembly are modular and all attach to the main housing. Remove the plastic support on the bottom of the pump by releasing the clips with a screwdriver, the pull off the rubber isolator, the fuel sock filter clip, then the electrical connector. Withdraw the pump from the housing. Inspect the strainer for contamination. If it is dirty, replace it. Reassemble the fuel pump/sending unit in the reverse order of disassembly. Install the fuel pump/sending unit assembly in the fuel tank. When installing the fuel pump assembly locking ring 2005 and later models, the raised rib on the ring should align between the two triangle marks on the tank, and the four prongs should be in their notches. Connect the fuel line and electrical connectors. The remainder of installation is the reverse of removal.

Relieve the fuel system pressure, then disconnect the cable from the negative terminal of the battery. Remove the fuel tank cap. Disconnect the cable from the negative terminal of the battery. Remove the rear seat from inside the passenger compartment. Remove the fuel pump/sending unit access cover. Unplug the electrical connectors, then disconnect the fuel lines. On 2005 and later models, the quick-release fitting on the pressure line can be squeezed by hand, without pliers. On 2003 and 2004 models, remove the fuel pump/sending unit retaining screws and remove the mounting flange. In 2005 and later models, the fuel pump assembly is retained in the tank by a large screw-on ring. A special tool is available which makes loosening and tightening this ring very easy, but a large pair of water pump pliers will work. Carefully withdraw the fuel pump/fuel level sending unit assembly from the fuel tank. The components of the fuel pump assembly are modular and all attach to the main housing. Remove the plastic support on the bottom of the pump by releasing the clips with a screwdriver, then pull-off of the rubber isolator, the fuel sock filter clip, then the electrical connector. Withdraw the pump from the housing. Inspect the strainer for contamination. If it is dirty, replace it. Reassemble the fuel pump/sending unit in the reverse order of disassembly. Install the fuel pump/sending unit assembly in the fuel tank. Connect the fuel line and electrical connectors. The remainder of installation is the reverse of removal.