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)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | CAMSHAFT | - | See step 1 | - | - |
| 2 | STRAIGHT SCREW PLUG | - | See step 2 | - | - |
| 3 | SET NO. 1 CYLINDER TO TDC (COMPRESSION) | - | See step 3 | - | - |
| 4 | FUEL PUMP LIFTER GUIDE | 23477 | See step 4 | - | - |
| *1 | NO. 1 CAMSHAFT BEARING CAP | *2 | NO. 2 CAMSHAFT BEARING CAP |
| *3 | NO. 3 CAMSHAFT BEARING CAP | *4 | NO. 4 CAMSHAFT BEARING CAP |
| *5 | CAMSHAFT | *6 | NO. 2 CAMSHAFT |
| *7 | CAMSHAFT TIMING GEAR ASSEMBLY | *8 | CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY |
| N.m (kgf/cm, ft.lbf): Specified torque | * | For use with SST | |
| Adhesive 1324 | * | Precoated part |
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 5 | SPARK PLUG TUBE GASKET | 11193 | See step 5 | - | - |
| 6 | CYLINDER HEAD COVER SUB-ASSEMBLY | 11201 | See step 6 | - | - |
| 7 | CAM TIMING CONTROL MOTOR O-RING | 13090E | See step 7 | - | - |
| 8 | CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY | 13090D | See step 8 | - | - |
| 9 | CAMSHAFT TIMING VALVE ASSEMBLY | 135A0B | See step 9 | - | - |
| 10 | CAM TIMING OIL CONTROL SOLENOID O-RING | 15370A | See step 10 | - | - |
| 11 | CAM TIMING OIL CONTROL SOLENOID ASSEMBLY | 15370 | See step 11 | - | - |
| 12 | IGNITION COIL ASSEMBLY | 19500 | See step 12 | - | - |
| 13 | ENGINE WIRE | 82121 | - | - | - |
| *1 | CAMSHAFT POSITION SENSOR (for Intake Side) | *2 | CAMSHAFT POSITION SENSOR (for Exhaust Side) |
| 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 | ||
| • | Non-reusable part | * | Precoated part |
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 14 | NO. 2 EARTH WIRE | 82286A | - | - | - |
| 15 | EARTH BOLT CAP | - | - | - | - |
| 16 | LIQUID TUBE SUB-ASSEMBLY A | 88706A | See step 16 | - | - |
| 17 | AIR CONDITIONING HOSE AND ACCESSORY | 88720B | See step 17 | - | - |
| 18 | NO. 1 COOLER REFRIGERANT SUCTION HOSE | 88712 | See step 18 | - | - |
| 19 | DISCHARGE HOSE SUB-ASSEMBLY | 88703 | - | - | - |
| 20 | FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | - | - | - |
| 21 | CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT | - | - | - | See step 21 |
| 22 | WARM UP COMPRESSOR | - | - | - | See step 22 |
| 23 | INSPECT FOR REFRIGERANT LEAK | - | - | - | See step 23 |
| *A | for PHEV Model | - | - |
| N.m (kgf/cm, ft.lbf): Specified torque | • | Non-reusable part | |
| Compressor oil ND-OIL 11 or equivalent | - | - |