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Home >> Toyota >> 2025 >> Supra Premium, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake / Exhaust System (B58) - Service Information >> Main Muffler Heat Insulator >> Installation [03/2019 - ] >> Procedure

Installation [03/2019 - ]: Procedure

  1. INSTALL MAIN MUFFLER HEAT INSULATOR 
    1. Position the main muffler heat insulator.
    2. Tighten nuts.

      Torque: 2.6 N.m (27 kgf/cm, 23 in.lbf) 

  2. INSTALL REAR NO. 2 FLOOR HEAT INSULATOR SUB-ASSEMBLY 
    1. Position the rear No. 2 floor heat Insulator sub-assembly.
      GTY939589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten screws (1) and nuts (2).

      Nut 

      Torque: 2.6 N.m (27 kgf/cm, 23 in.lbf) 

      Screw 

      Torque: 2.0 N.m (20 kgf/cm, 18 in.lbf) 

  3. INSTALL MAIN MUFFLER HEAT INSULATOR RH 
    1. Position the main muffler heat Insulator RH (3).
      GTY899584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten nuts (1).

      Torque: 3.0 N.m (31 kgf/cm, 27 in.lbf) 

    3. Tighten down screws (2).

      Torque: 2.6 N.m (27 kgf/cm, 23 in.lbf) 

    4. for RH Side:
      1. Clip in the holder.
      2. Attach the actuator with bracket assembly.
  4. INSTALL MAIN MUFFLER HEAT INSULATOR LH 

    HINT: 

    Use the same procedure as for the RH side.

  5. INSTALL EXHAUST PIPE ASSEMBLY 

    Refer to INSTALLATION [03/2019 - ]