Toyota 23221-0A020 Pump Assembly

Relieve the fuel system pressure and 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 floor service hole cover. Disconnect the electrical connectors and the fuel line from the top of the fuel pump unit. Remove the fuel pump/sending unit retaining bolts. 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 the rubber isolator, the fuel sock filter clip, and the electrical connector. Withdraw the pump from the housing. Inspect the strainer for contamination. If it is dirty, replace it. Installation: 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.