Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. 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 repair 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 Installation Components With Torque Specifications (1 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
1	ENGINE MOUNTING BRACKET SUB-ASSEMBLY LH	12304	See step 1	-	-
2	ENGINE MOUNTING SPACER	12341	See step 2	-	-
3	ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH	12305	See step 3	-	-

*1	RADIATOR RESERVE TANK ASSEMBLY	*2	NO. 2 EARTH WIRE
*3	SUCTION PIPE SUB-ASSEMBLY	*4	AIR CONDITIONING TUBE ASSEMBLY
	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 Installation Components With Torque Specifications (2 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
4	ENGINE HANGERS	-	See step 4	-	-
5	ENGINE ASSEMBLY FROM ENGINE STAND	-	See step 5	-	-
6	ENGINE WIRE	82121	-	-	-
7	NO. 1 CRANKSHAFT POSITION SENSOR PLATE	19315	See step 7	-	-
8	DRIVE PLATE & RING GEAR SUB-ASSEMBLY	32101	See step 8	-	-
9	AUTOMATIC TRANSAXLE ASSEMBLY	30500	See step 9	-	-
10	STARTER ASSEMBLY	28100	-	-	-
11	FLYWHEEL HOUSING SIDE COVER	11363A	See step 11	-	-

*1	REAR DRIVE PLATE SPACER	*2	NO. 2 ENGINE WIRE
*3	ENGINE ASSEMBLY	-	-
	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 1324
	Toyota Genuine Clutch Spline Grease or equivalent	*	Precoated part

Fig 3: Engine Assembly Installation Components With Torque Specifications (3 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
12	REAR ENGINE MOUNTING INSULATOR	12371A	See step 12	-	-
13	FRONT ENGINE MOUNTING INSULATOR	12361	-	-	-
14	FRONT ENGINE MOUNTING BRACKET	12311A	See step 14	-	-
15	FRONT FRAME ASSEMBLY	51100G	-	-	-
16	WIRE HARNESS	-	See step 16	-	-
17	STEERING GEAR HEAT INSULATOR	45319	See step 17	-	-
18	BREATHER PLUG HOSE	35104V	-	-	-
19	VACUUM HOSE	-	-	-	-
20	FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)	16260	See step 20	-	-
21	FLOW SHUTTING VALVE (NO. 1 WATER BY-PASS HOSE)	16261G	See step 21	-	-
22	DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT	32101A	See step 22	-	-
23	FLYWHEEL HOUSING UNDER COVER	11361J	-	-	-

*A	for 2WD	*B	for AWD
*1	HOSE CLAMP	*2	TRANSMISSION BREATHER CLAMP
*3	BREATHER PLUG SUB-ASSEMBLY	-	-
*a	BLACK COLOR: x 1 SILVER COLOR: x 5	-	-
*	Precoated part		Adhesive 1324
	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 Installation Components With Torque Specifications (4 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
24	ENGINE ASSEMBLY WITH TRANSAXLE	-	See step 24	-	-
25	TIE ROD ASSEMBLY LH	45470	See step 25	-	-
26	TIE ROD ASSEMBLY RH	45460	See step 26	-	-
27	FRONT DRIVE SHAFT ASSEMBLY	-	-	-	-

*A	for Nut Type A	*B	for Nut Type B
*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	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 Installation Components With Torque Specifications (5 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
28	PROPELLER W/CENTER BEARING SHAFT ASSEMBLY	37100	-	-	-
29	FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)	17410	-	-	-

*A	for AWD	-	-
	N.m (kgf/cm, ft.lbf): Specified torque	•	Non-reusable part

Fig 6: Engine Assembly Installation Components With Torque Specifications (6 Of 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
30	STEERING INTERMEDIATE SHAFT ASSEMBLY	45220	See step 30	-	-
31	NO. 5 WATER BY-PASS HOSE	16282F	See step 31	-	-
32	WIRE HARNESS	-	-	-	-
33	DISCHARGE HOSE SUB-ASSEMBLY	88703	See step 33	-	-
34	SUCTION HOSE SUB-ASSEMBLY	88704	See step 34	-	-
35	NO. 2 RADIATOR HOSE	16572D	See step 35	-	-
36	NO. 1 RADIATOR HOSE	16571C	See step 36	-	-
37	FUEL TUBE SUB-ASSEMBLY	23901	See step 37	-	-
38	INLET HEATER WATER HOSE	87245	See step 38	-	-
39	OUTLET HEATER WATER HOSE	87246	See step 39	-	-
40	NO. 1 VACUUM HOSE CONNECTOR	44777	-	-	-
41	FUEL VAPOR FEED HOSE ASSEMBLY	23820	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 8 or equivalent

Fig 7: Engine Assembly Installation Components With Torque Specifications (7 Of 9)

Callout - Procedure		Part Name Code
42	BATTERY CLAMP SUB-ASSEMBLY	74404B	-	-	-
43	ECM	89661	See step 43	-	-
44	AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE	-	See step 44	-	-
45	NO. 2 VENTILATION HOSE	12262	See step 45	-	-
46	VACUUM HOSES	-	-	-	-
47	INLET AIR CLEANER ASSEMBLY	17750A	See step 47	-	-
48	NO. 1 ENGINE COVER SUB-ASSEMBLY	12601B	See step 48	-	-

*1	NO. 2 ENGINE WIRE	*2	ENGINE ROOM MAIN WIRE
	N.m (kgf/cm, ft.lbf): Specified torque	-	-

Fig 8: Engine Assembly Installation Components With Torque Specifications (8 Of 9)

Callout - Procedure		Part Name Code
49	INSPECT VACUUM HOSES	-	See step 49	-	-
50	BATTERY	-	-	-	-
51	ADD ENGINE OIL	-	-	See step 51	-
52	ADD TRANSFER OIL (for AWD)	-	-	See step 52	-
53	ADD ENGINE COOLANT (for Engine)	-	-	See step 53	-
54	ADJUST AUTOMATIC TRANSAXLE FLUID	-	-	See step 54	-
55	CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT	-	-	See step 55	-
56	WARM UP ENGINE	-	See step 56	-	-
57	INSPECT FOR FUEL LEAK	-	-	-	See step 57
58	INSPECT FOR ENGINE OIL LEAK	-	-	-	See step 58
59	INSPECT FOR COOLANT LEAK (for Engine)	-	-	-	See step 59
60	INSPECT FOR TRANSFER OIL LEAK (for AWD)	-	-	-	See step 60
61	INSPECT FOR REFRIGERANT LEAK	-	-	-	See step 61
62	INSPECT FOR EXHAUST GAS LEAK	-	-	-	See step 62
63	CHECK ENGINE OIL LEVEL	-	-	-	See step 63
64	INSPECT ENGINE COOLANT LEVEL IN RESERVOIR TANK	-	-	-	See step 64
65	NO. 2 FRONT BUMPER REINFORCEMENT	52132A	-	-	-
66	FRONT BUMPER LOWER ABSORBER	52618	-	-	-
67	FRONT BUMPER ASSEMBLY	-	-	-	-
68	FRONT FLOOR COVER LH	58166A	-	-	-
69	FRONT FLOOR COVER RH	58165C	-	-	-

N.m (kgf/cm, ft.lbf): Specified torque

Fig 9: Engine Assembly Installation Components With Torque Specifications (9 Of 9)

Callout - Procedure		Part Name Code
70	FRONT FENDER APRON SEAL LH	53737B	-	-	-
71	FRONT FENDER APRON SEAL RH	53736	-	-	-
72	NO. 2 ENGINE UNDER COVER ASSEMBLY	51420	-	-	-
73	NO. 1 ENGINE UNDER COVER	51441	-	-	-
74	FRONT FENDER FRONT SPLASH SHIELD LH	53896B	-	-	-
75	FRONT FENDER FRONT SPLASH SHIELD RH	53895B	-	-	-
76	FRONT WHEELS	-	-	-	-
77	ALIGN FRONT WHEELS FACING STRAIGHT AHEAD	-	See step 77	-	-
78	INSPECT AND ADJUST FRONT WHEEL ALIGNMENT	-	-	-	See step 78
79	PERFORM INITIALIZATION	-	-	-	See step 79
80	INSPECT IGNITION TIMING	-	-	-	See step 80
81	INSPECT ENGINE IDLE SPEED	-	-	-	See step 81
82	INSPECT CO/HC	-	-	-	See step 82
83	CHECK SPEED SENSOR SIGNAL	-	-	-	See step 83

N.m (kgf/cm, ft.lbf): Specified torque