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Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Automatic Transmission Fluid >> On-Vehicle Inspection

On-Vehicle Inspection

  1. BEFORE REFILL TRANSMISSION 
    • This transmission requires Toyota Genuine ATF WS transmission fluid.
    • After servicing the transmission, you must refill the transmission with the correct amount of fluid.
    • Maintain the vehicle in a horizontal position while adjusting the fluid level.
    • If the entire transmission, transmission pan, drain plug, valve body and/or torque converter is replaced, proceed to the "FILL TRANSMISSION PAN WITH FLUID" procedures.
    • If the transmission hose, output shaft oil seal and/or radiator is replaced, remove the 2 bolts, transmission case cover and refill plug, and then proceed to the " 3FILL TRANSMISSION" procedures.
  2. FILL TRANSMISSION PAN WITH FLUID 
    1. Remove the refill plug and overflow plug.
      Fig 1: Identifying Refill Plug And Overflow Plug
      G05806328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fill the transmission through the refill hole until fluid begins to trickle out from the overflow tube.
    3. Reinstall the overflow plug.
  3. FILL TRANSMISSION 
    1. Fill the transmission with the amount of fluid listed in the table below.
      Fig 2: Identifying Overflow Tube
      G04948388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reinstall the refill plug to prevent the fluid from spilling out.

      Standard capacity 

      OIL CAPACITY SPECIFICATION

      Repair Specified Condition
      Transmission pan and drain plug removal 3.2 liters (3.4 US qts, 2.8 lmp. qts)
      Transmission valve body removal 4.2 liters (4.4 US qts, 3.7 lmp. qts)
      Torque converter removal 6.7 liters (7.1 US qts, 5.9 lmp. qts)

      HINT:

      If the amount of fluid listed in the table cannot be added, perform the next step.

    3. When the amount of fluid listed in the table cannot be added:
      1. Install the refill plug.
      2. Allow the engine to idle with the air conditioning OFF.
      3. Move the shift lever through the entire gear range to circulate fluid.
      4. Wait 30 seconds with the engine idling.
      5. Stop the engine.
      6. Remove the refill plug and add fluid.
      7. Reinstall the refill plug.
  4. PERFORM FLUID CIRCULATION 
    1. Allow the engine to idle with the air conditioning OFF.
    2. Move the shift lever through the entire gear range to circulate fluid.
  5. CHECK FLUID TEMPERATURE 
    1. With the Techstream:
      1. Connect the Techstream to the DLC3.
      2. Enter the following menus: Powertrain / ECT / Active Test.
      3. Move the shift lever back and forth between N and D at 1.5 second intervals for 6 seconds.
      4. The D indicator turns on for 2 seconds when the combination meter starts to detect the fluid temperature.
      5. Check A/T Oil Temperature 1.
      6. Allow the engine to idle until the fluid temperature reaches 35°C (95°F).
    2. Without the Techstream (Using the D shift indicator):
      1. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

        SST 09843-18040 

      2. Move the shift lever back and forth between N and D at 1.5 second intervals for 6 seconds.
      3. The D indicator turns on for 2 seconds when the combination meter starts to detect the fluid temperature.
      4. The D indicator turns on again when the fluid temperature reaches 35°C (95°F) and blinks when it exceeds 42°C (108°F).
        Fig 3: Identifying DLC3 Connecter Terminals
        G05295308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Allow the engine to idle until the fluid temperature reaches 35°C (95°F).

        HINT:

        The fluid temperature should be less than 30°C (86°F) before starting the engine.

  6. CHECK FLUID LEVEL 
    NOTE: The fluid temperature must be between 35°C (95°F) and 42°C (108°F) to check the fluid level.
    1. Remove the overflow plug with the engine idling.
    2. Check that the fluid comes out of the overflow tube. If fluid does not come out, proceed to the next step. If fluid comes out, wait until the overflow slows to a trickle and proceed to the " 8COMPLETE" procedure.
  7. REFILL AUTOMATIC TRANSMISSION FLUID 
    1. Install the overflow plug.
    2. Stop the engine.
    3. Remove the refill plug.
    4. Add 0.4 liters (0.42 US qts, 0.35 lmp. qts) of fluid.
    5. Allow the engine to idle and wait for 10 seconds.
    6. Repeat the " 6CHECK FLUID LEVEL" procedure.
      Fig 4: Identifying Overflow Tube
      G04948388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. COMPLETE 
    1. Install the overflow plug and a new gasket.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    2. Stop the engine.
    3. Install the refill plug and a new gasket.

      Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf) 

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