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Home >> Lexus >> 2006 >> GS 300 RWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differential >> Differential Oil >> Adjustment

Differential Oil: Adjustment

  1. INSPECT FRONT DIFFERENTIAL OIL (for 4WD) 
    1. Stop the vehicle on a level place.
    2. Remove the differential filler plug and gasket.
      Fig 1: Identifying Differential Filler Plug
      G04024303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that the oil surface is within 5 mm (0.20 in.) of the lowest position of the inner surface of the differential filler plug opening.
      Fig 2: Identifying Differential Oil Level
      G04053548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Excessively large or small amounts of oil may cause trouble.
      • After replacing oil, drive the vehicle and check the oil level.

      HINT:

      If necessary, fill the front differential carrier with hypoid gear oil.

    4. Check for oil leakage when the oil level is low.
    5. Install the differential filler plug and a new gasket.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

  2. INSPECT REAR DIFFERENTIAL OIL (for 3GR-FSE) 
    1. Stop the vehicle on a level place.
    2. Using a hexagon wrench (10 mm), remove the differential filler plug and gasket.
      Fig 3: Identifying Differential Filler Plug
      G04024305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that the oil surface is within 5 mm (0.20 in.) of the lowest position of the inner surface of the differential filler plug opening.
      NOTE:
      • Excessively large or small amounts of oil may cause trouble.
      • After replacing oil, drive the vehicle and check the oil level.

        HINT:

        If necessary, fill the rear differential carrier with hypoid gear oil.

    4. Check for oil leakage when the oil level is low.
    5. Using a hexagon wrench (10 mm), install the differential filler plug and a new gasket.

      Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf) 

      Fig 4: Identifying Differential Oil Level
      G04053548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT REAR DIFFERENTIAL OIL (for 3UZ-FE) 
    1. Stop the vehicle on a level place.
    2. Using a hexagon wrench (10 mm), remove the differential filler plug and gasket.
      Fig 5: Identifying Differential Filler Plug
      G04024307Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that the oil surface is within 5 mm (0.20 in.) of the lowest position of the inner surface of the differential filler plug opening.
      NOTE:
      • Excessively large or small amounts of oil may cause trouble.
      • After replacing oil, drive the vehicle and check the oil level.

        HINT:

        If necessary, fill the rear differential carrier with differential synthetic gear oil.

        Fig 6: Identifying Differential Oil Level
        G04053548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check for oil leakage when the oil level is low.
    5. Using a hexagon wrench (10 mm), install the differential filler plug and a new gasket.

      Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf) 

  4. ADD FRONT DIFFERENTIAL OIL (for 4WD) 
    1. Remove the differential filler plug and gasket.
    2. Add oil.

      Capacity: 

      0.65 to 0.75 liter (0.69 to 0.79 US qts, 0.57 to 0.66 Imp. qts) 

      Oil grade: 

      Hypoid gear oil API GL-5 or equivalent 

      Fig 7: Identifying Differential Filler Plug
      G04024309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Recommended oil viscosity: 

      RECOMMENDED OIL VISCOSITY SPECIFICATIONS

      Above -18°C (0°F) SAE 90
      Below -18°C (0°F) SAE 80W or 80W-90
    3. Check the oil level.
    4. Install the differential filler plug and a new gasket.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

      NOTE: After replacing the oil, recheck the oil level after driving.
  5. ADD REAR DIFFERENTIAL OIL (for 3GR-FSE) 
    1. Using a hexagon wrench (10mm), remove the differential filler plug and gasket.
    2. Add oil.
      Fig 8: Identifying Differential Filler Plug
      G04024310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Capacity: 

      2WD: 

      1.10 to 1.20 liter (1.17 to 1.27 US qts, 0.97 to 1.05 lmp. qts) 

      4WD: 

      1.00 to 1.10 liter (1.06 to 1.17 US qts, 0.88 to 0.97 lmp. qts) 

      Oil grade: 

      Hypoid gear oil API GL-5 or equivalent 

      Recommended oil viscosity: 

      RECOMMENDED OIL VISCOSITY SPECIFICATIONS

      Above -18°C (0°F) SAE 90
      Below -18°C (0°F) SAE 80W or 80W-90
    3. Check the oil level.
    4. Using a hexagon wrench (10mm), install the differential filler, filler plug with a new gasket.

      Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf) 

      NOTE: After replacing the oil, recheck the oil level after driving.
  6. ADD REAR DIFFERENTIAL OIL (for 3UZ-FE) 
    1. Using a hexagon wrench (10mm), remove the differential filler plug and gasket.
    2. Add oil.
      Fig 9: Identifying Differential Filler Plug
      G04024311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Capacity: 

      1.30 to 1.40 liter (1.38 to 1.48 US qts, 1.15 to 1.23 lmp. qts) 

      Oil grade: 

      Differential synthetic gear oil GL-5 75W-90 or equivalent 

    3. Check the oil level.
    4. Using a hexagon wrench (10mm), install the differential filler, filler plug with a new gasket.

      Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf) 

      NOTE: After replacing the oil, recheck the oil level after driving.
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