DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Axle And Differential - Service Information (2 Of 2) >> Differential Oil >> On-Vehicle Inspection [12/2019 - ] >> Procedure

On-Vehicle Inspection [12/2019 - ]: Procedure

  1. INSPECT DIFFERENTIAL OIL (for Dynamic Torque Control AWD) 
    1. Using a 10 mm hexagon socket wrench, remove the rear differential filler plug and gasket.
      GTY943832Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that the oil level is between 0 to 5 mm (0 to 0.196 in.) from the bottom lip of the rear differential filler plug opening.
      GTY363612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 5 mm (0 to 0.196 in.)
    3. If there is not enough oil, inspect for oil leaks and fill the rear differential carrier assembly with Toyota genuine differential gear oil LX.
      NOTE:
      • Add the differential oil in small quantities every few minutes.
      • Too much or too little oil will lead to differential problems.
    4. Using a 10 mm hexagon socket wrench, install a new gasket and the rear differential filler plug.
      GTY943832Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:

      After changing the oil, drive the vehicle and then check the oil level again.

  2. INSPECT DIFFERENTIAL OIL (for Dynamic Torque Vectoring AWD) 
    1. Using a 10 mm hexagon socket wrench, remove the rear differential filler plug and gasket.
      GTY918206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that the oil level is between 0 to 5 mm (0 to 0.196 in.) from the bottom lip of the rear differential filler plug opening.
      GTY363612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 5 mm (0 to 0.196 in.)
    3. If there is not enough oil, inspect for oil leaks and fill the torque vectoring differential carrier assembly with Toyota genuine differential gear oil LX.
      NOTE:
      • Add the differential oil in small quantities every few minutes.
      • Too much or too little oil will lead to differential problems.
    4. Using a 10 mm hexagon socket wrench, install a new gasket and the rear differential filler plug.
      GTY918206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:

      After changing the oil, drive the vehicle and then check the oil level again.