Installation [11/2021 - ]: Procedure
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.
- INSTALL NO. 1 TURBO WATER PIPE SUB-ASSEMBLY
- INSTALL TURBOCHARGER SUB-ASSEMBLY
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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Using an E10 "TORX" socket wrench, install the 4 stud bolts.
Torque: 19.5 N.m (199 kgf/cm, 14 ft.lbf)
- Rotate the converter with catalyst assembly outwards around the stud bolts to secure install space.
- Install the turbocharger sub-assembly with the 4 nuts in the order shown in the illustration.
Torque: 43 N.m (438 kgf/cm, 32 ft.lbf)
NOTE:After tightening the 4 nuts to the specified torque, tighten the first nut again.
- Install the No. 1 turbo oil pipe and turbocharger sub-assembly with the 2 nuts.
Torque: 12 N.m (122 kgf/cm, 9 ft.lbf)
- Using an E10 "TORX" socket wrench, install the 4 stud bolts.
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- INSTALL EXHAUST PIPE CLAMP
Refer to PROCEDURE - Step 2 - INSTALL CONVERTER WITH CATALYST ASSEMBLY
Refer to PROCEDURE - Step 3 - INSTALL NO. 1 HEAT INSULATOR BRACKET
- CONNECT NO. 3 TURBO WATER HOSE
- CONNECT NO. 2 TURBO WATER HOSE
- INSTALL NO. 1 TURBO INSULATOR
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- INSTALL AIR FUEL RATIO SENSOR (for Sensor 1)
Refer to PROCEDURE - Step 1 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 1 [03/2023 - ] Specified tightening torque
Torque: 44 N.m (449 kgf/cm, 32 ft.lbf)
- INSTALL DASH PANEL HEAT INSULATOR
- INSTALL COMPRESSOR INLET ELBOW SUB-ASSEMBLY
*a Protrusion - - - Install a new throttle body gasket to the compressor inlet elbow sub-assembly with the protrusion of the throttle body gasket oriented as shown in the illustration.
- Install the compressor inlet elbow sub-assembly and turbocherger sub-assembly with the 2 nuts.
Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)
- INSTALL VACUUM REGULATING VALVE ASSEMBLY
Refer to PROCEDURE - Step 1 Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE
- INSTALL AIR TUBE ASSEMBLY
See step 15 Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- CONNECT NO. 2 VENTILATION HOSE
- INSTALL PURGE VALVE (PURGE VSV)
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- CONNECT ENGINE WIRE
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY
See step 19
- INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 54 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 55 [03/2023 - ] - INSTALL COWL VENTILATOR PANEL SUB-ASSEMBLY
- INSTALL COWL VENTILATOR SPLASH SHIELD LH
- INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
Refer to INSTALLATION [11/2021 - ] - INSTALL HOOD TO FRONT FENDER SEAL LH
- INSTALL HOOD TO FRONT FENDER SEAL RH
- INSTALL FRONT FENDER PANEL CUSHION LH
- INSTALL FRONT FENDER PANEL CUSHION RH
- INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY
Refer to INSTALLATION [11/2021 - ] - ADD COOLANT (for Inter cooler)
Refer to REPLACEMENT [11/2021 - ]
- INSPECT FOR EXHAUST GAS LEAK
See step 3
- PERFORM INITIALIZATION
- Perform "Inspection After Repair" after replacing the air fuel ratio sensor.
Refer to INITIALIZATION [11/2021 - ]
- Perform "Inspection After Repair" after replacing the air fuel ratio sensor.