LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Engine Cooling System - Service Information) >> Flow Shutting Valve >> Removal [11/2021 - ] >> Procedure

Removal [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FRONT FENDER FRONT SPLASH SHIELD LH 

    Refer to PROCEDURE - Step 7 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 7 [03/2024 - ]

  2. REMOVE FRONT FENDER FRONT SPLASH SHIELD RH 

    Refer to PROCEDURE - Step 8 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 8 [03/2024 - ]

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 9 [03/2024 - ]

  4. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 4

  5. REMOVE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  6. REMOVE WIRING HARNESS CLAMP BRACKET 
    Refer to PROCEDURE - Step 10 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 10 [03/2022 - ]
  7. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    1. GTY1077959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1077815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer - -
      Pull out Pull off
      1. 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.

        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. GTY1078062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer - -
      Pull out Pull off
      1. 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.

        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. GTY1077967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002