Fuel Pump Disassembly

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Fuel. Lexus Gs430, Gs300. Uzs190 Grs190

  1. REMOVE FUEL SENDER GAUGE ASSEMBLY

  2. REMOVE SUB-TANK ASSEMBLY

  3. REMOVE FUEL PUMP ASSEMBLY

  4. REMOVE FUEL RELIEF VALVE ASSEMBLY

  5. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY

Fuel Pump -- Disassembly



1. REMOVE FUEL SENDER GAUGE ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Disconnect the fuel sender gauge connector.

  1. Press down on the sender gauge claw labeled A. Then slide the sender gauge upward.



2. REMOVE SUB-TANK ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Using a screwdriver, detach the 4 claws from the claw holes and remove the sub-tank.

    HINT:
    Tape the screwdriver tip before use.


3. REMOVE FUEL PUMP ASSEMBLY

  1. Disconnect the fuel pump connector.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Detach the 2 claws from the claw holes and remove the fuel pump.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Remove the fuel pump filter seal from the fuel pump.

  1. Remove the fuel pump spacer from the fuel pump.



4. REMOVE FUEL RELIEF VALVE ASSEMBLY

  1. Disconnect the fuel pump connector from the fuel filter.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Using a screwdriver, detach the claw and remove the relief valve.



5. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Remove the clip and fuel pressure regulator from the relief valve.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Fuel.Fuel System.Fuel Pump Disassembly

  1. Remove the 2 O-rings from the fuel pressure regulator.