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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Cooling System (A25A-FXS) - Service Information) >> Flow Shutting Valve >> Installation [12/2019 - ] >> Procedure

Installation [12/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    1. Connect the flow shutting valve (water by-pass hose assembly) to the water by-pass outlet sub-assembly and slide the clip to secure it.
      GTY868959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b 45° (Tabs of Clip Installation Area)
      *c 2 to 7 mm (0.0787 to 0.276 in.)
      *d Upper Side of Vehicle
      *e Right Side of Vehicle
      NOTE:
      • Make sure to slide the flow shutting valve (water by-pass hose assembly) until it contacts the hose stopper of the water by-pass outlet sub-assembly.
      • Make sure that the tabs of the clip are within the area shown in the illustration.
    2. Install the wire harness clamp bracket with the bolt.

      Torque: 13 N.m (133 kgf/cm, 10 ft.lbf) 

    3. Engage the 2 wire harness clamps.
    4. Connect the flow shutting valve (water by-pass hose assembly) with the bolt.

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

    5. Connect the No. 2 water by-pass pipe sub-assembly with the bolt.

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

    6. Connect the heater water hose to the flow shutting valve (water by-pass hose assembly) and slide the clip to secure it.
      GTY920991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b 90° (Tabs of Clip Installation Area)
      *c 2 to 7 mm (0.0787 to 0.276 in.)
      *d Upper Side of Vehicle
      *e Right Side of Vehicle
      NOTE:
      • Make sure to slide the heater water hose until it contacts the hose stopper of the flow shutting valve (water by-pass hose assembly).
      • Make sure that the tabs of the clip are within the area shown in the illustration.
    7. Connect the inlet heater water hose B connector to the flow shutting valve (water by-pass hose assembly).
      NOTE:

      Check that there is no damage or foreign matter on the connecting parts of the water lines.

      1. Align the protrusions of the inlet heater water hose B connector with the cutouts in the flow shutting valve (water by-pass hose assembly) and securely insert the inlet heater water hose B connector to the stopper of the pipe.
        GTY767364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Protrusion
        *b Cutout
      2. Push in the retainer.
        GTY845819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Retainer
        Push
        Push in
      3. Check that the flow shutting valve (water by-pass hose assembly) and inlet heater water hose B connector are securely connected by pulling on them.
    8. Connect the outlet heater water hose B connector to the No. 2 water by-pass pipe sub-assembly.
      NOTE:

      Check that there is no damage or foreign matter on the connecting parts of the water lines.

      1. Align the protrusion of the No. 2 water by-pass pipe sub-assembly with the cutout in the outlet heater water hose B connector and securely insert the outlet heater water hose B connector to the stopper of the pipe.
        GTY765349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Protrusion
        *b Cutout
      2. Push in the retainer.
        GTY926583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Retainer
        Push
        Push in
      3. Check that the No. 2 water by-pass pipe sub-assembly and outlet heater water hose B connector are securely connected by pulling on them.
    9. Connect the flow shutting valve (water by-pass hose assembly) connector.
  2. INSTALL INVERTER WITH CONVERTER ASSEMBLY 

    Refer to INSTALLATION [12/2019 - 11/2023] , or refer to INSTALLATION [11/2023 - ]

  3. ADD ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 2

  4. INSPECT FOR COOLANT LEAK (for Engine) 

    Refer to PROCEDURE - Step 1