Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. 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 [10/2022 - ]
COMPONENTS (INSTALLATION)
Fig 1: Fuel Injector (For Direct Injection) Installation Components With Torque Specifications [10/2022 - 08/2023] (1 Of 2)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | FUEL INJECTOR SEAL | 23255A | See step 1 | - | - |
| 2 | INJECTOR VIBRATION INSULATOR | 23291A | See step 2 | - | - |
| 3 | C-RING | - | See step 3 | - | - |
| 4 | NO. 1 FUEL INJECTOR BACK-UP RING | 23256 | See step 4 | - | - |
| 5 | NO. 3 FUEL INJECTOR BACK-UP RING | 23258 | See step 5 | - | - |
| 6 | NOZZLE HOLDER CLAMP | 23695A | - | - | - |
| 7 | DIRECT FUEL INJECTOR ASSEMBLY | 23250E | See step 7 | - | - |
| 8 | FUEL DELIVERY PIPE | 23814B | See step 8 | - | - |
| 9 | WIRE HARNESS | - | - | - | - |
| 10 | FUEL PUMP LIFTER ASSEMBLY | 23470 | See step 10 | - | - |
| 11 | FUEL PUMP SPACER GASKET | 23224D | - | - | - |
| 12 | TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | See step 12 | - | - |
| 13 | TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY | 23801P | See step 13 | - | - |
| 14 | INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | See step 14 | - | - |
| 15 | INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY | 23801P | See step 15 | - | - |
| 16 | FUEL TUBE SUB-ASSEMBLY | 23910A | See step 16 | - | - |
| 17 | FUEL PIPE CLAMP | 23841K | - | - | - |
| 18 | INTAKE MANIFOLD | 17111 | - | - | - |
| *1 | FUEL PUMP FLANGE | *2 | O-RING |
| Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) | N.m (kgf/cm, ft.lbf): Specified torque | ||
| * | For use with a union nut wrench | • | Non-reusable part |
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 19 | CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL | - | - | - | - |
| 20 | BATTERY SERVICE COVER PLATE | 58491E | - | - | - |
| 21 | INSPECT FOR FUEL LEAK | - | - | - | See step 21 |
| 22 | INSPECT FOR ENGINE OIL LEAK | - | - | - | See step 22 |
| 23 | PERFORM INITIALIZATION | - | - | - | See step 23 |
| 24 | INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL | - | - | - | See step 24 |