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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Hybrid Transaxle [P313] (Service Information) >> Hybrid Transaxle Fluid >> Adjustment [10/2015 - ] >> Procedure

Adjustment [10/2015 - ]: Procedure

  1. DRAIN HYBRID TRANSAXLE FLUID 
    1. Using a 10 mm hexagon socket wrench, remove the filler plug and gasket from the hybrid vehicle transaxle assembly.
      GTY623953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 10 mm hexagon socket wrench, remove the drain plug and gasket from the hybrid vehicle transaxle assembly and drain the hybrid transaxle fluid.
      GTY623951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a 10 mm hexagon socket wrench, install a new gasket and the drain plug to the hybrid vehicle transaxle assembly.

      Torque: 39.2 N*m (400 kgf*cm, 29 ft.*lbf) 

    4. Using a 10 mm hexagon socket wrench, temporarily install the gasket and filler plug to the hybrid vehicle transaxle assembly.

      HINT: 

      Because the filler plug will be removed again, the gasket can be reused at this time.

  2. ADD HYBRID TRANSAXLE FLUID 
    1. Using a 10 mm hexagon socket wrench, remove the filler plug and gasket from the hybrid vehicle transaxle assembly.
      GTY664424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Filler Nozzle
      *b 0 to 5 mm (0 to 0.197 in.)
    2. Add hybrid transaxle fluid until the hybrid transaxle fluid level is between 0 to 5 mm (0 to 0.197 in.) from the bottom lip of the filler plug opening. [#]
      NOTE:
      • When adding hybrid transaxle fluid, make sure that the vehicle is level.
      • Use Toyota Genuine ATF WS.
      • Be sure to fully insert the filler nozzle into the filler plug opening.
      • Be sure to add hybrid transaxle fluid slowly. If hybrid transaxle fluid is added quickly, the hybrid transaxle fluid may hit internal parts and bounce back, resulting in hybrid transaxle fluid coming out of the filler plug opening.
      • Be sure to directly check that the hybrid transaxle fluid level is within the specified range.
      • Driving the vehicle with an insufficient or excessive amount of hybrid transaxle fluid may damage the hybrid vehicle transaxle assembly.
      • Make sure that the hybrid transaxle fluid temperature is 5 °C (41 °F) or more.

      Hybrid Transaxle Fluid Standard Capacity (for Reference)

      4.8 liters (5.1 US qts, 4.2 Imp. qts)

    3. Using a 10 mm hexagon socket wrench, temporarily install the gasket and filler plug to the hybrid vehicle transaxle assembly.

      HINT: 

      Because the filler plug will be removed again, the gasket can be reused at this time.

  3. INSPECT HYBRID TRANSAXLE FLUID 

    See step  1

  4. INSPECT FOR HYBRID TRANSAXLE FLUID LEAK