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Home >> Lexus >> 2019 >> LC 500 >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission System - Service Information (Coupe) (1 Of 2) >> Oil Cooler >> Installation [03/2017 - 05/2023] >> Procedure

Installation [03/2017 - 05/2023]: Procedure

  1. INSTALL OIL COOLER BRACKET 
    1. Install the oil cooler bracket with the 3 bolts.

      Torque: 6.0 N.m (61 kgf/cm, 53 in.lbf) 

      GTY813469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL OIL COOLER ASSEMBLY 
    1. Install the oil cooler assembly with the 3 bolts.

      Torque: 6.0 N.m (61 kgf/cm, 53 in.lbf) 

      GTY835680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket with the nut.
      GTY777111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  4. CONNECT WIRE HARNESS 
    1. Attach the 2 clamps and connect the wire harness.
      GTY827716Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. CONNECT RADIATOR HOSE SUB-ASSEMBLY 
    1. Connect the radiator hose sub-assembly to the oil cooler assembly, and slide the hose clip to secure the hose.
      GTY822517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.0 to 5.0 mm (0.0787 to 0.197 in.)
      *b Paint Mark
      *c Permissible range for paint mark position
      *d Outside permissible range for paint mark position
      *e Clamp Range 120°
      *f Front of vehicle
      *g Left side of vehicle
      NOTE:
      • The hose clip claw position is within the range shown in the illustration.
      • Do not deform the oil cooler assembly.
      • Install the radiator hose sub-assembly so that its paint marks are within the allowable range (3 paint lines) of the paint marks of the oil cooler assembly.
      • Water or washer fluid can be used to assist with inserting the hose, however when using liquid other than water, dilute it to 50% concentration or less before use.
      • When installing the radiator hose sub-assembly, do not twist the radiator hose sub-assembly
  6. INSTALL NO. 1 OIL COOLER OUTLET HOSE 
    1. Install the No. 1 oil cooler outlet hose to the No. 1 oil cooler outlet tube and oil cooler assembly, and slide the 2 hose clips to secure the hose.
      GTY781389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.0 to 7.0 mm (0.0787 to 0.276 in.)
      *b Paint Mark
      NOTE:
      • Do not deform the oil cooler assembly.
      • When connecting the hose, align with the colors and positions of the paint mark before connecting.
      • When installing the No. 1 oil cooler outlet hose, do not twist the No. 1 oil cooler outlet hose.
  7. INSTALL NO. 1 OIL COOLER INLET HOSE 
    1. GTY813467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Install the No. 1 oil cooler inlet hose to the radiator assembly and No. 1 oil cooler inlet tube, and slide the 2 hose clips to secure the hose.

      NOTE:
      • When connecting the hose, align with the colors and positions of the paint mark before connecting.
      • When installing the No. 1 oil cooler inlet hose, do not twist the No. 1 oil cooler inlet hose.
  8. CONNECT NO. 3 RADIATOR HOSE 

    Refer to PROCEDURE - Step 26

  9. INSTALL WATER BY-PASS HOSE 
    1. Install the water by-pass hose to the oil cooler assembly and No. 3 radiator hose, and slide the 2 hose clips to secure the hose.
      GTY836000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.0 to 5.0 mm (0.0787 to 0.197 in.)
      *b Paint Mark
      *c Permissible range for paint mark position
      *d Outside permissible range for paint mark position
      *e Clamp Range 120°
      *f Front of vehicle
      *g Left side of vehicle
      NOTE:
      • The hose clip claw position is within the range shown in the illustration.
      • Do not deform the oil cooler assembly.
      • When installing the water by-pass hose, do not twist the water by-pass hose.
      • Water or washer fluid can be used to assist with inserting the hose, however when using liquid other than water, dilute it to 50% concentration or less before use.
      • Install the radiator hose sub-assembly so that its paint marks are within the allowable range (3 paint lines) of the paint marks of the oil cooler assembly.
  10. INSTALL NO. 4 TRANSMISSION OIL COOLER HOSE 
    1. Install the No. 4 transmission oil cooler hose to the radiator assembly and oil cooler assembly, and slide the 2 hose clips to secure the hose.
      GTY787571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.0 to 7.0 mm (0.0787 to 0.276 in.)
      *b Paint Mark
      NOTE:
      • Do not deform the oil cooler assembly.
      • When connecting the hose, align with the colors and positions of the paint mark before connecting.
      • When installing the No. 4 transmission oil cooler hose, do not twist the No. 4 transmission oil cooler hose.
    2. Attach the clamp and connect the No. 4 transmission oil cooler hose to the water by-pass hose.
  11. INSTALL RADIATOR RESERVE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 28

  12. INSTALL INTAKE AIR CONNECTOR PIPE 

    Refer to PROCEDURE - Step 23

  13. INSTALL AIR CLEANER WITH ELEMENT ASSEMBLY RH 

    Refer to PROCEDURE - Step 96 [03/2017 - 06/2019] , or refer to PROCEDURE - Step 96 [06/2019 - 05/2023]

  14. INSTALL AIR CLEANER HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  15. INSTALL RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 15 [03/2017 - 04/2020] , or refer to PROCEDURE - Step 15 [04/2020 - 05/2023]

  16. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 8

  17. INSTALL LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 8

  18. INSTALL RADIATOR SUPPORT TO FRAME SEAL RH 

    Refer to PROCEDURE - Step 10

  19. INSTALL RADIATOR SUPPORT TO FRAME SEAL LH 

    Refer to PROCEDURE - Step 9

  20. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 138 [03/2017 - 06/2019] , or refer to PROCEDURE - Step 138 [06/2019 - 05/2023]

  21. ADD AUTOMATIC TRANSMISSION FLUID 

    See step  3 [03/2017 - 04/2020], or see step  6 [04/2020 - ]

  22. ADJUST AUTOMATIC TRANSMISSION FLUID 

    See step  4 [03/2017 - 04/2020], or see step  4 [04/2020 - ]

  23. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 3

  24. INSTALL STRUT BAR BRACKET SUPPORT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 132 [03/2017 - 06/2019] , or refer to PROCEDURE - Step 132 [06/2019 - 05/2023]

  25. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 133 [03/2017 - 06/2019] , or refer to PROCEDURE - Step 133 [06/2019 - 05/2023]

  26. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 134 [03/2017 - 06/2019] , or refer to PROCEDURE - Step 134 [06/2019 - 05/2023]

  27. AFTER FILLING AUTOMATIC TRANSMISSION 

    See step  5 [03/2017 - 04/2020], or see step  6 [04/2020 - ]

  28. ATF THERMAL DEGRADATION ESTIMATE RESET 
    NOTE:

    Approximately 50% or more of the ATF has been replaced during a repair of the transmission or a similar operation.

    Refer to INITIALIZATION [03/2017 - ]

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