Lexus 23221-62060 Fuel Pump

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First of all, to replace the fuel pump, relieve the fuel system pressure, disconnect the battery, remove the intake manifold, undo the electrical connector attached to the high-pressure fuel pump, and remove the wiring harness bracket, and the fuel line. Use a wrench to remove the high-pressure tube, but when you are loosening the bolts, take caution due to the intense pressure. Then, remove the lifter guide, the spacer gasket, and the O-ring. For the installation process, mount an O-ring onto the pump and rotate the crankshaft to the proper position. Then, install the lifter and guide it into the housing, align the key to the groove, install the spacer gasket and lifter guide to the valve cover, and line up the fuel pump bolt holes. Also, before fully tightening the high-pressure fuel pump bolts they should be tightened by hand, and install the high-pressure fuel tube. Finally, you can tighten the high-pressure fuel pump mounting bolts and the fuel tube nuts to the proper torque.

Inspect it for contamination and clean if necessary.

If the EFI fuse and relay are fine but there is still no sound from the fuel pump, you should check the wiring back to the fuel pump.

For 2007 RX 350 and all 2008 and later models, the components of the fuel pump assembly are modular and attached to the main housing. To remove the fuel level sending unit, disconnect the electrical connector and pry it from the clips. To remove the fuel pump, disconnect the electrical connector from the mounting flange, remove the spring E-clip, release the claw connectors from the sub-tank, separate the fuel suction support base, release the claw connectors and separate the fuel pump assembly, disconnect and remove the fuel pump electrical harness, and pull the fuel pump up and out from the filter assembly. Remove the O-ring and spacer from the fuel pump, and inspect the strainer for contamination.

After disconnecting the electrical connector from the high-pressure fuel pump, the wiring harness bracket should be removed and the fuel line should be disconnected from the pump.

For 2007 RX 350 and all 2008 and later models, the components of the fuel pump assembly are modular and attached to the main housing. To remove the fuel level sending unit, disconnect the electrical connector and pry it from the clips. To remove the fuel pump, disconnect the electrical connector from the mounting flange, remove the spring E-clip, release the claw connectors from the sub-tank, separate the fuel suction support base, release the claw connectors and separate the fuel pump assembly, disconnect and remove the fuel pump electrical harness, and pull the fuel pump up and out from the filter assembly. Remove the O-ring and spacer from the fuel pump, and inspect the strainer for contamination.

Depress the release tab and pull up.

For 2GR-FKS engines, you need to disconnect the low-pressure side fuel delivery line and connect a special service tool between the connections.