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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.
WARNING:
  • The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the appropriate service information , or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.
  • To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.


COMPONENTS (INSTALLATION) 

Fig 1: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (1 Of 9)
GTY1130410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
1 ENGINE MOUNTING INSULATOR SUB-ASSEMBLY LH 12306 See step  1 - -
2 ENGINE MOUNTING SPACER 12341 See step  2 - -
3 ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 12305 See step  3 - -
4 INVERTER RESERVE TANK ASSEMBLY G910GB - - -
*1 RADIATOR RESERVE TANK ASSEMBLY *2 NO. 2 EARTH WIRE
*3 SUCTION PIPE SUB-ASSEMBLY *4 AIR CONDITIONING TUBE ASSEMBLY
*5 EARTH BOLT CAP *6 NO. 1 INVERTER RESERVE TANK BRACKET
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
Fig 2: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (2 Of 9)
GTY1133452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
5 ENGINE HANGERS - See step  5 - -
6 REMOVE ENGINE ASSEMBLY FROM ENGINE STAND - - - -
7 INSTALL ENGINE WIRE 82121 - - -
8 NO. 1 CRANKSHAFT POSITION SENSOR PLATE 19315 See step  8 - -
9 FLYWHEEL SUB-ASSEMBLY 13405 See step  9 - -
10 TRANSMISSION INPUT DAMPER ASSEMBLY 31270 See step  10 - -
11 HYBRID VEHICLE TRANSAXLE ASSEMBLY 30900 See step  11 - -
N.m (kgf/cm, ft.lbf): Specified torque • Non-reusable part
Adhesive 1324 * Precoated part
Fig 3: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (3 Of 9)
GTY1254792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
12 REAR ENGINE MOUNTING INSULATOR 12371A See step  12 - -
13 FRONT ENGINE MOUNTING INSULATOR 12361A - - -
14 FRONT FRAME ASSEMBLY 51100G - - -
15 FLYWHEEL HOUSING SIDE COVER 11363A - - -
16 STARTER HOLE INSULATOR 28193 - - -
17 HV AIR CONDITIONING WIRE 821H2 See step  17 - -
18 FLYWHEEL HOUSING UNDER COVER 11361J - - -
19 CONNECT ENGINE WIRE 82121 See step  19 - -
20 STEERING GEAR HEAT INSULATOR 45319 See step  20 - -
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
Fig 4: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (4 Of 9)
GTY1254258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
21 ENGINE ASSEMBLY WITH TRANSAXLE - See step  21 - -
22 TIE ROD ASSEMBLY LH 45470 See step  22 - -
23 TIE ROD ASSEMBLY RH 45460 See step  23 - -
24 FRONT DRIVE SHAFT ASSEMBLY - - - -
*1 FRONT BUMPER EXTENSION SUB-ASSEMBLY LH *2 FRONT BUMPER EXTENSION SUB-ASSEMBLY RH
*3 FRONT SUSPENSION MEMBER BRACE REAR LH *4 FRONT SUSPENSION MEMBER BRACE REAR RH
*5 NO. 1 ENGINE HANGER *6 NO. 2 ENGINE HANGER
*7 FUEL DELIVERY GUARD *8 ENGINE MOUNTING STAY LH
*9 COTTER PIN - -
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 - -
Fig 5: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (5 Of 9)
GTY1254436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
25 FRONT EXHAUST PIPE ASSEMBLY 17410 - - -
N.m (kgf/cm, ft.lbf): Specified torque • Non-reusable part
Fig 6: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (6 Of 9)
GTY1254657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
26 FRONT FLOOR COVER RH 58165C - - -
27 FRONT FLOOR COVER LH 58166A - - -
N.m (kgf/cm, ft.lbf): Specified torque - -
Fig 7: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (7 Of 9)
GTY1253906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
28 STEERING INTERMEDIATE SHAFT ASSEMBLY 45220 See step  28 - -
29 NO. 5 WATER BY-PASS HOSE 16282F See step  29 - -
30 NO. 5 INVERTER COOLING HOSE G9229A See step  30 - -
31 WIRE HARNESS - - - -
32 DISCHARGE HOSE SUB-ASSEMBLY 88703 See step  32 - -
33 SUCTION HOSE SUB-ASSEMBLY 88704 See step  33 - -
34 NO. 2 RADIATOR HOSE 16572D See step  34 - -
35 NO. 1 RADIATOR HOSE 16571C See step  35 - -
36 FUEL TUBE SUB-ASSEMBLY 23901 See step  36 - -
37 INLET HEATER WATER HOSE 87245 See step  37 - -
38 OUTLET HEATER WATER HOSE 87246 See step  38 - -
39 FUEL VAPOR FEED HOSE ASSEMBLY 23820 - - -
40 HYBRID MOTOR CONTROL INVERTER ASSEMBLY G92A0 - - -
41 NO. 1 ENGINE COVER SUB-ASSEMBLY 12601B See step  41 - -
*1 NO. 1 RELAY BLOCK COVER *2 NO. 1 FUEL PIPE CLAMP
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 Compressor oil ND-OIL 11 or equivalent
Fig 8: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (8 Of 9)
GTY1254564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
42 ADD ENGINE OIL - - See step  42 -
43 ADD HYBRID TRANSAXLE FLUID - - See step  43 -
44 INSPECT HYBRID TRANSAXLE FLUID - - - See step  44
45 ADD ENGINE COOLANT (for Engine) - - See step  45 -
46 CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT - - See step  46 -
47 WARM UP COMPRESSOR - - - See step  47
48 INSPECT FOR ENGINE OIL LEAK - - - See step  48
49 INSPECT FOR HYBRID TRANSAXLE FLUID LEAK - - - -
50 INSPECT FOR COOLANT LEAK (for Engine) - - - See step  50
51 INSPECT FOR REFRIGERANT LEAK - - - See step  51
52 INSPECT FOR FUEL LEAK - - - See step  52
53 INSPECT FOR EXHAUST GAS LEAK - - - See step  53
54 CHECK ENGINE OIL LEVEL - - - See step  54
55 INSPECT ENGINE COOLANT LEVEL IN RESERVOIR TANK (for Engine) - - - See step  55
56 NO. 2 FRONT BUMPER REINFORCEMENT 52132A - - -
57 FRONT BUMPER LOWER ABSORBER 52618 - - -
58 FRONT BUMPER ASSEMBLY - - - -
N.m (kgf/cm, ft.lbf): Specified torque - -
Fig 9: Engine Assembly (For HEV Model) Installation Components With Torque Specifications [10/2024 - ] (9 Of 9)
GTY1254154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
59 FRONT FENDER APRON SEAL LH 53737B - - -
60 FRONT FENDER APRON SEAL RH 53736 - - -
61 NO. 2 ENGINE UNDER COVER ASSEMBLY 51420 - - -
62 NO. 1 ENGINE UNDER COVER 51441 - - -
63 FRONT WHEEL OPENING EXTENSION PAD LH 53852B - - -
64 FRONT WHEEL OPENING EXTENSION PAD RH 53851D - - -
65 FRONT WHEELS - - - -
66 ALIGN FRONT WHEELS FACING STRAIGHT AHEAD - - - See step  66
67 INSPECT AND ADJUST FRONT WHEEL ALIGNMENT - - - See step  67
68 PERFORM INITIALIZATION - - - See step  68
69 INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL - - - See step  69
70 INSPECT IGNITION TIMING - - - See step  70
71 INSPECT ENGINE IDLE SPEED - - - See step  71
72 INSPECT CO/HC - - - See step  72
73 CHECK SPEED SENSOR SIGNAL - - - See step  73
N.m (kgf/cm, ft.lbf): Specified torque - -
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