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Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle System - Service Information (1 Of 4) >> Oil Cooler >> Removal [11/2021 - ] >> Procedure

Removal [11/2021 - ]: Procedure

  1. REMOVE BATTERY 

    Refer to REMOVAL [11/2021 - ]

  2. REMOVE ECM 

    Refer to REMOVAL [11/2021 - ]

  3. REMOVE BATTERY CLAMP SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 29 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 29 [03/2024 - ]

  4. REMOVE FRONT FENDER FRONT SPLASH SHIELD LH 

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

  5. REMOVE FRONT FENDER FRONT SPLASH SHIELD RH 

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

  6. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 10 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 10 [03/2024 - ]

  7. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

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

  8. REMOVE FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 12 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 12 [03/2024 - ]

  9. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  10. DRAIN AUTOMATIC TRANSAXLE FLUID 

    See step  6

  11. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE 
    HINT: 
    Use a container to catch any automatic transaxle fluid which flows out of the outlet No. 1 oil cooler hose and oil cooler union sub-assembly.
    1. GTY1061464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. DISCONNECT INLET NO. 1 OIL COOLER HOSE 
    HINT: 
    Use a container to catch any automatic transaxle fluid which flows out of the inlet No. 1 oil cooler hose and No. 1 oil cooler outlet tube sub-assembly.
    1. GTY1060463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE NO. 1 OIL COOLER TUBE SUB-ASSEMBLY WITHOUT HOSE 
    HINT: 
    Use a container to catch any automatic transaxle fluid which flows out of the inlet No. 2 oil cooler hose, outlet No. 2 oil cooler hose and transmission oil cooler.
    1. GTY1060857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Inlet No. 1 Oil Cooler Hose *2 Inlet No. 2 Oil Cooler Hose
      *3 Outlet No. 1 Oil Cooler Hose *4 Outlet No. 2 Oil Cooler Hose
  14. DISCONNECT NO. 1 WATER BY-PASS HOSE 
    HINT: 
    Use a container to catch any coolant which flows out of the No. 1 water by-pass hose and transmission oil cooler.
    1. GTY1060457Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. DISCONNECT WATER BY-PASS HOSE ASSEMBLY 
    HINT: 
    Use a container to catch any coolant which flows out of the water by-pass hose assembly and transmission oil cooler.
    1. GTY1060496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE TRANSMISSION OIL (ATF WARMER) COOLER 
    1. GTY1060494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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