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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System (T24A-FTS) - Service Information >> MONOLITHIC CONVERTER (for Gasoline Model) >> Installation [09/2023 - ] >> Procedure

Installation [09/2023 - ]: Procedure

  1. INSTALL TURBINE OUTLET ELBOW GASKET 
    1. GTY1078297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install a new turbine outlet elbow gasket to the converter with catalyst assembly.
        NOTE:
        • Turbine outlet elbow gaskets are located in the grooves all around.
        • After assembly, remove any peeling residue on the flange surface.
  2. INSTALL EXHAUST PIPE CLAMP 
    1. GTY1230455Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Exhaust Pipe Clamp *2 Converter With Catalyst Assembly
      *3 Turbo Charger Sub-assembly - -
      *a 140 mm (5.5118 in.) or less *b Knock Pin
      *c Hole *d Alignment Protrusion on Exhaust Pipe Clamp Side
      *e Alignment Protrusion on Converter With Catalyst Assembly Side *f Position Alignment Range
      1. Set a new exhaust pipe clamp to the converter with catalyst assembly.
        NOTE:

        Make sure the end of the exhaust pipe clamp does not open 140 mm (5.51 in.) or more (standard amount approximately 60 mm (2.36 in.)).

      2. Temporarily install a new nut to the exhaust pipe clamp.
      3. Temporarily install the converter with catalyst assembly to the manifold stay with the nut.
        NOTE:

        Tighten the nut by hand until it contacts the surface.

      4. Align the converter with catalyst assembly with the knock hole on the turbocharger sub-assembly side to connect the converter with catalyst assembly.
        NOTE:

        Make sure that there is a knock pin on the converter with catalyst assembly.

      5. Align the flange surfaces of the turbocharger sub-assembly and converter with catalyst assembly, and then temporarily install the exhaust pipe clamp.
        NOTE:

        Align the position alignment protrusions on the exhaust pipe clamp side to within the range of the position alignment protrusions on the converter with catalyst assembly side.

    2. GTY1132973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  3. INSTALL CONVERTER WITH CATALYST ASSEMBLY 
    GTY1129724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf) 

  4. INSTALL NO. 1 TURBO INSULATOR 

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

  5. INSTALL AIR FUEL RATIO SENSOR (for Sensor 2) 
    Refer to PROCEDURE - Step 1

    Specified tightening torque 

    Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) 

  6. INSTALL AIR FUEL RATIO SENSOR (for Sensor 1) 
    Refer to PROCEDURE - Step 1

    Specified tightening torque 

    Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) 

  7. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE 

    Refer to INSTALLATION [09/2023 - ]