Installation [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- INSTALL VACUUM HOSE
- INSTALL NO. 1 ENGINE COVER
- INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET
- INSTALL INTAKE MANIFOLD
- w/ Stud Bolt:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Temporarily install the intake manifold to the cylinder head sub-assembly.
- Using an E8 "TORX" socket wrench, install the 2 stud bolts.
Torque: 6.5 N.m (66 kgf/cm, 58 in.lbf)
- Temporarily install the 3 bolts and 2 nuts.
- Tighten the 3 bolts and 2 nuts in the order shown in the illustration.
Torque: 24 N.m (245 kgf/cm, 18 ft.lbf)
- w/o Stud Bolt:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Temporarily install the intake manifold to the cylinder head sub-assembly with the 5 bolts.
- Tighten the 5 bolts in the order shown in the illustration.
Torque: 24 N.m (245 kgf/cm, 18 ft.lbf)
- w/ Stud Bolt:
- INSTALL NO. 2 FUEL VAPOR FEED HOSE ASSEMBLY
- INSTALL NO. 2 WATER BY-PASS PIPE
- Temporarily install the No. 2 water by-pass pipe to the cylinder block sub-assembly with the bolt (B).
- Using an 8 mm socket wrench, temporarily install the No. 2 water by-pass pipe to the intake manifold with the 2 bolts (A).
- Tighten the bolt (B).
Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)
- Using an 8 mm socket wrench, tighten the 2 bolts (A).
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- Engage the wire harness clamp.
- CONNECT NO. 3 WATER BY-PASS PIPE
- CONNECT NO. 5 WATER BY-PASS HOSE
- INSTALL EGR INLET GASKET
- INSTALL EGR VALVE ADAPTER GASKET
- INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY
Refer to PROCEDURE - Step 12 - CONNECT ENGINE WIRE
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- CONNECT NO. 2 FUEL VAPOR FEED HOSE ASSEMBLY
- CONNECT FUEL VAPOR FEED HOSE ASSEMBLY
- INSTALL PURGE VALVE (PURGE VSV)
Refer to INSTALLATION [11/2021 - ]
- INSTALL E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR)
Refer to INSTALLATION [11/2021 - ]
- INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY
Refer to INSTALLATION [11/2021 - ]