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 (REASSEMBLY)



Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 1 |
STRAIGHT PIN |
- |
See step 1 |
- |
- |
| 2 |
RING PIN |
- |
See step 2 |
- |
- |
| 3 |
STUD BOLT |
- |
See step 3 |
- |
- |
| *A |
w/ Stud Bolt |
- |
- |
 |
N.m (kgf/cm, ft.lbf): Specified torque |
• |
Non-reusable part |






Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 4 |
WIRE HARNESS CLAMP BRACKET |
- |
See step 4 |
- |
- |
| 5 |
STRAIGHT SCREW PLUG |
- |
See step 5 |
- |
- |
| 6 |
ENGINE BALANCER ASSEMBLY |
13620B |
- |
- |
- |
| 7 |
STIFFENING CRANKCASE ASSEMBLY |
11420 |
See step 7 |
- |
- |
| 8 |
OIL PUMP ASSEMBLY |
15100 |
- |
- |
- |
| 9 |
OIL PUMP BRACKET |
15167 |
- |
- |
- |
| 10 |
ENGINE OIL LEVEL SENSOR |
89491 |
See step 10 |
- |
- |
| 11 |
OIL STRAINER SUB-ASSEMBLY |
15104 |
See step 11 |
- |
- |
| 12 |
NO. 2 OIL PAN SUB-ASSEMBLY |
12102A |
See step 12 |
- |
- |
| 13 |
OIL PAN DRAIN PLUG |
12101A |
- |
- |
- |
| 14 |
OIL FILTER UNION |
15600A |
See step 14 |
- |
- |
| 15 |
OIL FILTER SUB-ASSEMBLY |
15601 |
- |
- |
- |
| 16 |
REAR ENGINE OIL SEAL |
11401L |
See step 16 |
- |
- |
 |
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 |
 |
MP grease |



Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 17 |
CYLINDER BLOCK WATER JACKET SPACER |
11445 |
- |
- |
- |
| 18 |
CYLINDER HEAD GASKET |
11115 |
See step 18 |
- |
- |
| 19 |
CYLINDER HEAD SUB-ASSEMBLY |
11101 |
See step 19 |
- |
- |
| 20 |
WATER BY-PASS PIPE GASKET |
16258C |
- |
- |
- |
| 21 |
WATER BY-PASS PIPE SUB-ASSEMBLY |
16206 |
See step 21 |
- |
- |
| 22 |
WIRE HARNESS CLAMP BRACKET |
- |
See step 22 |
- |
- |
| 23 |
NO. 2 CAMSHAFT |
13512 |
See step 23 |
- |
- |
| 24 |
CAMSHAFT |
13511 |
See step 24 |
- |
- |
| 25 |
CAMSHAFT BEARING CAP |
- |
See step 25 |
- |
- |
| 26 |
VALVE STEM CAP |
13716 |
See step 26 |
- |
- |
| 27 |
VALVE LASH ADJUSTER ASSEMBLY |
13750 |
See step 27 |
- |
- |
| 28 |
NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY |
13801 |
See step 28 |
- |
- |
| 29 |
CAMSHAFT HOUSING SUB-ASSEMBLY |
11103 |
See step 29 |
- |
- |
| 30 |
FUEL PUMP LIFTER GUIDE |
23477 |
See step 30 |
- |
- |
| *1 |
CYLINDER HEAD SET BOLT |
*2 |
PLATE WASHER |
| *3 |
NO. 1 CAMSHAFT BEARING CAP |
*4 |
NO. 2 CAMSHAFT BEARING CAP |
| *5 |
NO. 3 CAMSHAFT BEARING CAP |
*6 |
NO. 4 CAMSHAFT BEARING CAP |
 |
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 |
- |
- |
| *T1 |
1st: 90 (918, 66) 2nd: Turn 90° 3rd: Turn 90° |
- |
- |



Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 31 |
CRANKSHAFT TIMING GEAR KEY |
13471A |
See step 31 |
- |
- |
| 32 |
OIL NOZZLE VALVE SUB-ASSEMBLY |
15703A |
- |
- |
- |
| 33 |
TIMING CHAIN COVER ASSEMBLY |
11310 |
See step 33 |
- |
- |
| 34 |
CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY |
13070A |
See step 34 |
- |
- |
| 35 |
SET NO. 1 CYLINDER TO TDC (COMPRESSION) |
- |
See step 35 |
- |
- |
| 36 |
NO. 1 CHAIN VIBRATION DAMPER |
13561 |
- |
- |
- |
| 37 |
CHAIN TENSIONER SLIPPER |
13559 |
- |
- |
- |
| 38 |
NO. 1 CHAIN TENSIONER ASSEMBLY |
13540 |
See step 38 |
- |
- |
| 39 |
CHAIN SUB-ASSEMBLY |
13506 |
See step 39 |
- |
- |
| 40 |
CAMSHAFT TIMING GEAR ASSEMBLY |
13050 |
See step 40 |
- |
- |
| 41 |
OIL PUMP DRIVE CHAIN SUB-ASSEMBLY |
13507A |
See step 41 |
- |
- |
| 42 |
SET NO. 1 CYLINDER TO TDC (COMPRESSION) |
- |
See step 42 |
- |
- |
| *1 |
CHAIN TENSIONER PLATE |
*2 |
CHAIN DAMPER SPRING |
| *3 |
OIL PUMP DRIVE SPROCKET |
*4 |
OIL PUMP DRIVE SHAFT SPROCKET |
| *5 |
CAMSHAFT TIMING VALVE ASSEMBLY |
*6 |
CRANKSHAFT TIMING SPROCKET |
 |
N.m (kgf/cm, ft.lbf): Specified torque |
 |
Do not apply lubricants to the threaded parts |



Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 43 |
NO. 2 TIMING CHAIN COVER ASSEMBLY |
11320B |
See step 43 |
- |
- |
| 44 |
STRAIGHT SCREW PLUG |
- |
See step 44 |
- |
- |
| 45 |
TIMING CHAIN COVER OIL SEAL |
11301C |
See step 45 |
- |
- |
| 46 |
SPARK PLUG TUBE GASKET |
11193 |
See step 46 |
- |
- |
| 47 |
CYLINDER HEAD COVER SUB-ASSEMBLY |
11201 |
See step 47 |
- |
- |
| 48 |
WATER OUTLET PIPE GASKET |
16345 |
- |
- |
- |
| 49 |
WATER BY-PASS OUTLET |
16351 |
See step 49 |
- |
- |
| 50 |
WATER OUTLET GASKET |
16341 |
- |
- |
- |
| 51 |
WATER OUTLET |
16331 |
See step 51 |
- |
- |
| 52 |
CRANKSHAFT PULLEY ASSEMBLY |
13470 |
See step 52 |
- |
- |
| *1 |
CRANKSHAFT PULLEY BOLT |
*2 |
ENGINE MOUNTING BRACKET RH |
| *3 |
CAMSHAFT POSITION SENSOR (for Intake Side) |
*4 |
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 |
 |
MP grease |
 |
Adhesive 1324 |
* |
Precoated part |
 |
Do not apply lubricants to the threaded parts |
- |
- |
| *a |
Type A |
*b |
Type B |






Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
| Callout - Procedure |
Part Name Code |
 |
 |
 |
| 53 |
INSTALL NO. 2 WATER BY-PASS HOSE |
16264D |
- |
- |
- |
| 54 |
INSTALL NO. 1 WATER BY-PASS HOSE |
16261Z |
- |
- |
- |
| 55 |
OIL COOLER GASKET |
15785 |
- |
- |
- |
| 56 |
OIL COOLER ASSEMBLY |
15710 |
- |
- |
- |
| 57 |
CONNECT NO. 2 WATER BY-PASS HOSE |
16264D |
- |
- |
- |
| 58 |
CONNECT NO. 1 WATER BY-PASS HOSE |
16261Z |
- |
- |
- |
| 59 |
PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) |
12204C |
See step 59 |
- |
- |
| 60 |
CRANKSHAFT POSITION SENSOR |
11401G |
See step 60 |
- |
- |
| 61 |
OIL FILLER CAP GASKET |
12108A |
- |
- |
- |
| 62 |
OIL FILLER CAP SUB-ASSEMBLY |
12108 |
- |
- |
- |
| 63 |
ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) |
16032 |
- |
- |
- |
| 64 |
WATER INLET WITH THERMOSTAT SUB-ASSEMBLY |
16031 |
See step 64 |
- |
- |
| 65 |
CAM TIMING CONTROL MOTOR O-RING |
13090E |
See step 65 |
- |
- |
| 66 |
CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY |
13090D |
See step 66 |
- |
- |
| 67 |
CAM TIMING OIL CONTROL SOLENOID O-RING |
- |
See step 67 |
- |
- |
| 68 |
CAM TIMING OIL CONTROL SOLENOID ASSEMBLY |
15370 |
See step 68 |
- |
- |
| 69 |
OIL PRESSURE CONTROL VALVE ASSEMBLY |
15250 |
See step 69 |
- |
- |
| 70 |
OIL PRESSURE AND TEMPERATURE SENSOR |
89448D |
See step 70 |
- |
- |
| 71 |
STRAIGHT SCREW PLUG |
- |
- |
- |
- |
| 72 |
ENGINE COOLANT TEMPERATURE SENSOR |
89422A |
See step 72 |
- |
- |
| 73 |
KNOCK CONTROL SENSOR |
89615 |
See step 73 |
- |
- |
| 74 |
SPARK PLUG |
19100P |
See step 74 |
- |
- |
 |
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 |
 |
Adhesive 1344 |
| * |
Precoated part |
- |
- |