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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Cooling System (8AR-FTS) - Service Information) >> THERMOSTAT (for Cylinder Block) >> Installation [08/2015 - ] >> Procedure

Installation [08/2015 - ]: Procedure

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  1. INSTALL THERMOSTAT (for Cylinder Block) 
    1. Install a new gasket to the thermostat (for Cylinder Block).
    2. Install the thermostat (for Cylinder Block) to the cylinder block sub-assembly as shown in the illustration.
      GTY521499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL WATER INLET HOUSING 
    1. Install 3 new gaskets to the water inlet housing.
    2. Install the water inlet housing to the cylinder block sub-assembly with the 4 bolts and nut.

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

  3. INSTALL NO. 4 WATER BY-PASS PIPE 
    1. Install a new gasket to the water inlet housing.
    2. Connect the No. 4 water by-pass pipe to the water inlet housing with the 2 nuts.

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

    3. Connect the No. 4 water by-pass pipe to the cylinder block sub-assembly with the bolt.

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

    4. Connect the No. 4 water by-pass hose to the No. 4 water by-pass pipe and slide the clip to secure it.
  4. INSTALL WATER BY-PASS PIPE ASSEMBLY 
    1. Install a new gasket to the water inlet housing.
    2. Connect the water by-pass pipe assembly to the water inlet housing with the 2 nuts.

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

    3. Engage the 3 clamps to connect the wire harness to the water inlet.
    4. Connect the oil pressure switching valve assembly connector.
    5. Connect the water by-pass pipe assembly to the cylinder block sub-assembly with the 2 bolts.

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

    6. Connect the No. 5 water by-pass hose to the water by-pass pipe assembly and slide the clip to secure it.
  5. INSTALL NO. 3 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Install the No. 3 exhaust manifold heat insulator with the 2 bolts.

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

  6. INSTALL NO. 1 COMPRESSOR MOUNTING BRACKET 
    1. Install the No. 1 compressor mounting bracket with the 4 bolts.

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

  7. INSTALL COMPRESSOR ASSEMBLY WITH PULLEY 

    Refer to INSTALLATION [08/2015 - 10/2017] , or refer to INSTALLATION [10/2017 - 09/2020] , or refer to INSTALLATION [09/2020 - 11/2021] , or refer to INSTALLATION [11/2021 - 09/2022] , or refer to INSTALLATION [09/2022 - ]

  8. INSTALL TURBOCHARGER SUB-ASSEMBLY 

    Refer to INSTALLATION [08/2015 - ]

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