LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Mechanical System - Service Information (4 Of 4)) >> Engine Unit >> Reassembly [11/2021 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. 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 [11/2021 - ]



COMPONENTS (REASSEMBLY) 

Fig 1: Engine Unit Reassembly Components With Torque Specifications (1 Of 7)
GTY1079777Courtesy 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 - -
N.m (kgf/cm, ft.lbf): Specified torque • Non-reusable part
Fig 2: Engine Unit Reassembly Components With Torque Specifications (2 Of 7)
GTY1078537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
4 STRAIGHT SCREW PLUG - See step  4 - -
5 OIL PUMP ASSEMBLY 15100 - - -
6 ENGINE BALANCER ASSEMBLY 13620B - - -
7 STIFFENING CRANKCASE ASSEMBLY 11420 See step  7 - -
8 ENGINE OIL LEVEL SENSOR 89491 See step  8 - -
9 OIL STRAINER SUB-ASSEMBLY 15104 See step  9 - -
10 NO. 2 OIL PAN SUB-ASSEMBLY 12102A See step  10 - -
11 OIL PAN DRAIN PLUG 12101A - - -
12 OIL FILTER UNION 15600A See step  12 - -
13 OIL FILTER SUB-ASSEMBLY 15601 - - -
14 REAR ENGINE OIL SEAL 11401L See step  14 - -
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
Fig 3: Engine Unit Reassembly Components With Torque Specifications (3 Of 7)
GTY1075545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
15 CYLINDER HEAD GASKET 11115 See step  15 - -
16 CYLINDER HEAD SUB-ASSEMBLY 11101 See step  16 - -
17 VALVE STEM CAP 13716 See step  17 - -
18 VALVE LASH ADJUSTER ASSEMBLY 13750 See step  18 - -
19 NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 13801 See step  19 - -
20 EXHAUST CAMSHAFT SUB-ASSEMBLY 13502B See step  20 - -
21 INTAKE CAMSHAFT SUB-ASSEMBLY 13501A See step  21 - -
22 CAMSHAFT BEARING CAP - See step  22 - -
23 CAMSHAFT HOUSING SUB-ASSEMBLY 11103 See step  23 - -
24 FUEL PUMP LIFTER GUIDE 23477 See step  24 - -
*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 NO. 5 CAMSHAFT BEARING CAP *6 CYLINDER HEAD SET BOLT
*7 PLATE WASHER - -
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°		 - -
Fig 4: Engine Unit Reassembly Components With Torque Specifications (4 Of 7)
GTY1078314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
25 OIL NOZZLE VALVE SUB-ASSEMBLY 15703A - - -
26 TIMING CHAIN COVER ASSEMBLY 11310 See step  26 - -
27 CAMSHAFT TIMING GEAR ASSEMBLY 13050 See step  27 - -
28 CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 13070A See step  28 - -
29 NO. 1 CHAIN VIBRATION DAMPER 13561 - - -
30 CHAIN SUB-ASSEMBLY 13506 See step  30 - -
31 CHAIN TENSIONER SLIPPER 13559 - - -
32 NO. 1 CHAIN TENSIONER ASSEMBLY 13540 See step  32 - -
33 NO. 2 CHAIN VIBRATION DAMPER 13562 - - -
34 OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 13507A See step  34 - -
35 SET NO. 1 CYLINDER TO TDC (COMPRESSION) - See step  35 - -
*1 CHAIN TENSIONER PLATE *2 CHAIN DAMPER SPRING
*3 OIL PUMP DRIVE SPROCKET *4 OIL PUMP DRIVE SHAFT SPROCKET
*5 CRANKSHAFT TIMING GEAR OR SPROCKET *6 INTAKE CAMSHAFT TIMING GEAR BOLT ASSEMBLY
*7 EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY - -
N.m (kgf/cm, ft.lbf): Specified torque Do not apply lubricants to the threaded parts
Fig 5: Engine Unit Reassembly Components With Torque Specifications (5 Of 7)
GTY1254483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
36 NO. 2 TIMING CHAIN COVER ASSEMBLY 11320B See step  36 - -
37 STRAIGHT SCREW PLUG - See step  37 - -
38 TIMING CHAIN CASE OIL SEAL 11301C See step  38 - -
39 INJECTOR HOLDER SUB-ASSEMBLY 23095B See step  39 - -
40 SPARK PLUG TUBE GASKET 11193 See step  40 - -
41 CYLINDER HEAD COVER SUB-ASSEMBLY 11201 See step  41 - -
42 CRANKSHAFT PULLEY ASSEMBLY 13470 See step  42 - -
*1 CAMSHAFT POSITION SENSOR (for Intake Side) *2 CAMSHAFT POSITION SENSOR (for Exhaust Side)
*3 ENGINE MOUNTING BRACKET RH *4 CRANKSHAFT PULLEY BOLT
*5 PLATE WASHER - -
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 - -
Fig 6: Engine Unit Reassembly Components With Torque Specifications (6 Of 7)
GTY1075669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
43 FUEL INJECTOR SEAL 23255A See step  43 - -
44 INJECTOR VIBRATION INSULATOR 23291A See step  44 - -
45 C-RING - See step  45 - -
46 NO. 1 FUEL INJECTOR BACK-UP RING 23256 See step  46 - -
47 NO. 3 FUEL INJECTOR BACK-UP RING 23258 See step  47 - -
48 NOZZLE HOLDER CLAMP 23695A - - -
49 DIRECT FUEL INJECTOR ASSEMBLY 23250E See step  49 - -
50 FUEL DELIVERY PIPE SUB-ASSEMBLY 23807 See step  50 - -
51 OIL COOLER PIPE GASKET 16258B - - -
52 OIL COOLER GASKET 15785 - - -
53 OIL COOLER ASSEMBLY 15710 See step  53 - -
*1 O-RING - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) • Non-reusable part
Fig 7: Engine Unit Reassembly Components With Torque Specifications (7 Of 7)
GTY1079674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
54 NO. 1 VACUUM PUMP O-RING 29343 See step  54 - -
55 VACUUM PUMP ASSEMBLY 29300 See step  55 - -
56 OIL FILLER CAP GASKET 12108A - - -
57 OIL FILLER CAP SUB-ASSEMBLY 12108 - - -
58 CAM TIMING OIL CONTROL SOLENOID O-RING 15370A See step  58 - -
59 CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side) 15370 See step  59 - -
60 CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side) 15370 See step  60 - -
61 OIL PRESSURE CONTROL VALVE ASSEMBLY 15250 See step  61 - -
62 ENGINE OIL TEMPERATURE SENSOR 89429F See step  62 - -
63 OIL PRESSURE SENDER GAUGE ASSEMBLY 83520 See step  63 - -
64 SPARK PLUG 19100P See step  64 - -
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 SST • Non-reusable part
Adhesive 1344 * Precoated part
scientia non olet · About LEMON Manuals