Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Refer to PRECAUTION [11/2021 - ]
COMPONENTS (INSTALLATION)
Fig 1: Fuel Pump (For High Pressure) Installation Components With Torque Specifications [11/2021 - 03/2023] (1 Of 2)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | FUEL PUMP LIFTER ASSEMBLY | 23470 | See step 1 | - | - |
| 2 | FUEL PUMP SPACER GASKET | 23224D | - | - | - |
| 3 | TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | See step 3 | - | - |
| 4 | TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY | 23801P | See step 4 | - | - |
| 5 | INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | See step 5 | - | - |
| 6 | INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY | 23801P | See step 6 | - | - |
| 7 | FUEL TUBE SUB-ASSEMBLY | 23901 | See step 7 | - | - |
| *1 | FUEL PUMP SPACER | - | - |
| Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) | * | For use with a union nut wrench | |
| • | Non-reusable part | - | - |
Fig 2: Fuel Pump (For High Pressure) Installation Components With Torque Specifications [11/2021 - 03/2023] (2 Of 2)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 8 | AIR TUBE ASSEMBLY | 17360A | See step 8 | - | - |
| 9 | PURGE VALVE (PURGE VSV) | 25860D | - | - | - |
| 10 | ENGINE WIRE | 82121 | - | - | - |
| 11 | AIR CLEANER CAP WITH AIR CLEANER HOSE | - | - | - | - |
| 12 | NO. 2 ENGINE COVER SUB-ASSEMBLY | 12602D | - | - | - |
| 13 | NO. 1 ENGINE COVER SUB-ASSEMBLY | 12601B | See step 13 | - | - |
| 14 | CONNECT CABLE TO NEGATIVE BATTERY TERMINAL | - | - | - | - |
| 15 | INSPECT FOR FUEL LEAK | - | - | - | See step 15 |
| 16 | INSPECT FOR ENGINE OIL LEAK | - | - | - | See step 16 |
| 17 | PERFORM INITIALIZATION | - | - | - | See step 17 |
| 18 | INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL | - | - | - | See step 18 |
| *1 | AIR TUBE SUPPORT | *2 | VACUUM HOSE SUB-ASSEMBLY |
| N.m (kgf/cm, ft.lbf): Specified torque | • | Non-reusable part |