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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 >> Removal [11/2023 - ] >> Procedure

Removal [11/2023 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [11/2023 - ]

  2. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  3. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    1. Disconnect the flow shutting valve (water by-pass hose assembly) connector.
      GTY940495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the outlet heater water hose B connector from the No. 2 water by-pass pipe sub-assembly.
      NOTE:

      Remove any foreign matter on the No. 2 water by-pass pipe sub-assembly and outlet heater water hose B connector before performing this work.

      1. Pull out the retainer to disengage the lock claws and pull off the outlet heater water hose B connector.
        GTY866973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Retainer
        Pull out
        Pull off
      2. Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
      3. Cover the disconnected No. 2 water by-pass pipe sub-assembly and outlet heater water hose B connector with plastic bags to prevent damage and contamination.
    3. Disconnect the inlet heater water hose B connector from the flow shutting valve (water by-pass hose assembly).
      NOTE:

      Remove any foreign matter on the flow shutting valve (water by-pass hose assembly) and inlet heater water hose B connector before performing this work.

      1. Pull out the retainer to disengage the lock claws and pull off the inlet heater water hose B connector.
        GTY888165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Retainer
        Pull out
        Pull off
      2. Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
      3. Cover the disconnected inlet heater water hose B connector with a plastic bag to prevent damage and contamination.
    4. Slide the clip and disconnect the heater water hose from the flow shutting valve (water by-pass hose assembly).
      GTY880885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the bolt to disconnect the No. 2 water by-pass pipe sub-assembly.
      GTY880887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the bolt to disconnect the flow shutting valve (water by-pass hose assembly).
      GTY880882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disengage the 2 wire harness clamps.
      GTY880883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the bolt and wire harness clamp bracket.
    9. Slide the clip and disconnect the flow shutting valve (water by-pass hose assembly) from the water by-pass outlet sub-assembly.
      GTY880884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Use a container to catch any engine coolant which flows out of the flow shutting valve (water by-pass hose assembly) and water by-pass outlet sub-assembly.

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