Removal [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
- PRECAUTION NOTE:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.
- DISCHARGE FUEL SYSTEM PRESSURE
Refer to PRECAUTION [11/2021 - ]
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Refer to PROCEDURE - Step 2
- REMOVE INTAKE MANIFOLD
Refer to REMOVAL [11/2021 - ]
- DISCONNECT FUEL TUBE SUB-ASSEMBLY
- Disconnect the fuel tube sub-assembly from the fuel pump assembly.
Refer to PRECAUTION [11/2021 - ]
- Disconnect the fuel tube sub-assembly from the fuel pump assembly.
- REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY WARNING:
To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.
- Disconnect the ignition coil connector.
- Using an 8 mm socket wrench, remove the bolt.
- Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.
- Loosen the 2 bolts of the fuel (engine room side) pump assembly.
- Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe and fuel (engine room side) pump assembly.
- REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY NOTE:
When replacing the fuel (engine room side) pump assembly, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.
- REMOVE FUEL PUMP SPACER GASKET
- REMOVE FUEL PUMP LIFTER ASSEMBLY