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Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance (Service Information) >> K120 Continuously Variable Transaxle Fluid >> Replacement [10/2018 - 10/2019] >> Procedure
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Replacement [10/2018 - 10/2019]: Procedure

  1. REPLACE CONTINUOUSLY VARIABLE TRANSAXLE FLUID 
    1. Lift the vehicle. [#1]
      NOTE:

      Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear and side to side of the vehicle is within +/- 1°).

    2. Remove the No. 1 engine under cover assembly.

      Refer to PROCEDURE - Step 7

    3. Remove the rear engine under cover LH.

      Refer to PROCEDURE - Step 8

    4. Remove the refill plug and gasket from the rear transaxle case sub-assembly. [#2]
      GTY817417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle case sub-assembly and drain the fluid. [#3]
      GTY817414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle case sub-assembly and drain the fluid. [#4]
      GTY838481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Transmission Oil Filler Tube
    7. Measure the amount of fluid drained. [#5]
      GTY832654Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Add the same amount of fluid in step [#8].

    8. Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle case sub-assembly. [#6]

      Torque: 0.8 N.m (8 kgf/cm, 7 in.lbf) 

      GTY838481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Transmission Oil Filler Tube
    9. Using a 10 mm hexagon socket wrench, temporarily install the overflow plug and gasket to the transaxle case sub-assembly. [#7]

      HINT: 

      Reuse the old gasket as the overflow plug will be removed again to adjust the fluid level.

      GTY817414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Add fluid to the refill hole using the same amount of fluid drained in step [#5]. [#8]
      NOTE:

      Use Toyota Genuine CVT fluid FE.

      GTY799755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    11. Temporarily install the refill plug and gasket to the rear transaxle case sub-assembly. [#9]

      HINT: 

      Reuse the old gasket as the refill plug will be removed again to adjust the fluid level.

      GTY817417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    12. Lower the vehicle. [#10]
    13. Start the engine. [#11]
    14. Slowly move the shift lever from P to D, and then back to P (keep the shift lever in each position for approximately 3 seconds). [#12]

      HINT: 

      Slowly move the shift lever to circulate the fluid through each part of the continuously variable transaxle assembly.

    15. Allow the engine assembly to idle for 30 seconds to warm it up. [#13]
    16. Turn the engine switch off. [#14]
    17. Repeat steps [#1] to [#14].
    18. Repeat steps [#1] to [#10].
  2. ADD SPECIFIED AMOUNT OF FLUID 

    Refer to PROCEDURE - Step 5

  3. ADJUST FLUID TEMPERATURE (when Using the Techstream) 

    Refer to PROCEDURE - Step 6

  4. ADJUST FLUID TEMPERATURE (when Not Using the Techstream) 

    Refer to PROCEDURE - Step 7

  5. ADJUST FLUID LEVEL 

    Refer to PROCEDURE - Step 8

  6. PERFORM FLUID THERMAL DEGRADATION ESTIMATE RESET 
    NOTE:

    If approximately 50% or more of the CVT fluid has been replaced during a repair of the transaxle or a similar operation, perform ATF Thermal Degradation Estimate Reset.

    Refer to INITIALIZATION [10/2018 - 07/2022]

  7. REBUILD WORK 

    Refer to PROCEDURE - Step 10

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