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Home >> Lexus >> 2023 >> RX 350h Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> Exhaust Pipe >> Installation [08/2023 - ] >> Procedure

Installation [08/2023 - ]: Procedure

  1. INSTALL FRONT EXHAUST PIPE ASSEMBLY 
    1. for HEV Model
      GTY1206014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 120°
      *c Paint Mark *d Upper Side of Vehicle
      *e 3 to 7 mm (0.1181 to 0.2756 in.) *f outlet heater water hose B
      *g outlet heater water hose C - -
      1. Connect the outlet heater water hose B and outlet heater water hose C to the No. 2 outlet water pipe and inlet water pipe and slide the 2 clips to secure them.
        NOTE:
        • When installing the outlet heater water hose B and outlet heater water hose C, ensure that the exhaust heat recirculation system is filled with coolant. Otherwise, the engine water pump assembly may be damaged.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
    2. Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 
  2. INSTALL AIR FUEL RATIO SENSOR (for Sensor 2) 

    Refer to INSTALLATION [08/2023 - ]

  3. INSTALL TAIL EXHAUST PIPE ASSEMBLY 

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

  4. ADD ENGINE COOLANT (for Engine [for HEV Model]) 

    Refer to PROCEDURE - Step 5

  5. INSPECT FOR COOLANT LEAK (for Engine [for HEV Model]) 

    Refer to PROCEDURE - Step 1

  6. INSPECT FOR EXHAUST GAS LEAK 
    1. If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

      HINT: 

      Perform "Inspection After Repairs" after repairing or replacing the exhaust system.

      Refer to INITIALIZATION [10/2022 - ]