LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2022 >> NX 350 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> Turbocharger >> Installation [11/2021 - ] >> Procedure

Installation [11/2021 - ]: Procedure

  1. INSTALL NO. 1 TURBO WATER PIPE SUB-ASSEMBLY 
    1. GTY1078007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install a new gasket as shown in the illustration.
      2. Install the No. 1 turbo water pipe sub-assembly with the bolt and 2 nuts.

        Torque: 12 N.m (122 kgf/cm, 9 ft.lbf) 

  2. INSTALL TURBOCHARGER SUB-ASSEMBLY 
    1. Fig 1: Turbocharger Sub-Assembly Nuts Tightening Sequence
      GTY1077752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an E10 "TORX" socket wrench, install the 4 stud bolts.

        Torque: 19.5 N.m (199 kgf/cm, 14 ft.lbf) 

      2. Rotate the converter with catalyst assembly outwards around the stud bolts to secure install space.
      3. 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.

      4. 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) 

  3. INSTALL EXHAUST PIPE CLAMP 
    Refer to PROCEDURE - Step 2
  4. INSTALL CONVERTER WITH CATALYST ASSEMBLY 
    Refer to PROCEDURE - Step 3
  5. INSTALL NO. 1 HEAT INSULATOR BRACKET 
    1. GTY1077669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *A 

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      *B 

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

  6. CONNECT NO. 3 TURBO WATER HOSE 
    1. GTY1078120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark (White) - -
      1. Connect the No. 3 turbo water hose.
  7. CONNECT NO. 2 TURBO WATER HOSE 
    1. GTY1079498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark (Yellow) - -
      1. Connect the No. 2 turbo water hose.
  8. INSTALL NO. 1 TURBO INSULATOR 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  9. 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) 

  10. INSTALL DASH PANEL HEAT INSULATOR 
  11. INSTALL COMPRESSOR INLET ELBOW SUB-ASSEMBLY 
    1. GTY1078386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion - -
      1. 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.
      2. 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) 

  12. INSTALL VACUUM REGULATING VALVE ASSEMBLY 
    Refer to PROCEDURE - Step 1

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  13. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 
  14. INSTALL AIR TUBE ASSEMBLY 
    See step  15

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  15. CONNECT NO. 2 VENTILATION HOSE 
  16. INSTALL PURGE VALVE (PURGE VSV) 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  17. CONNECT ENGINE WIRE 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  18. INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY 

    See step  19

  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 - ]
  20. INSTALL COWL VENTILATOR PANEL SUB-ASSEMBLY 
  21. INSTALL COWL VENTILATOR SPLASH SHIELD LH 
  22. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 
    Refer to INSTALLATION [11/2021 - ]
  23. INSTALL HOOD TO FRONT FENDER SEAL LH 
  24. INSTALL HOOD TO FRONT FENDER SEAL RH 
  25. INSTALL FRONT FENDER PANEL CUSHION LH 
  26. INSTALL FRONT FENDER PANEL CUSHION RH 
  27. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 
    Refer to INSTALLATION [11/2021 - ]
  28. ADD COOLANT (for Inter cooler) 

    Refer to REPLACEMENT [11/2021 - ]

  29. INSPECT FOR EXHAUST GAS LEAK 

    See step  3

  30. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

      Refer to INITIALIZATION [11/2021 - ]

scientia non olet · About LEMON Manuals