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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differential >> Differential Oil >> Adjustment

Differential Oil: Adjustment

  1. INSPECT DIFFERENTIAL OIL 
    1. Stop the vehicle on a level place.
    2. Front differential:
      1. Remove the differential filler plug and gasket.
        Fig 1: Locating Front Differential Filler Plug
        G05296081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Rear differential:
      1. Using a hexagon wrench (10 mm), remove the differential filler plug and gasket.
        Fig 2: Locating Rear Differential Filler Plug
        G05318891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. 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, recheck the oil level after driving.
        Fig 3: Checking Oil Level
        G05241256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Check for oil leakage if the oil level is low.
    6. Front differential:
      1. Install the differential filler plug and a new gasket.

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

    7. Rear differential:
      1. 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) 

  2. ADD DIFFERENTIAL OIL 
    1. Front differential:
      1. Remove the differential filler plug and gasket.
      2. Add oil.

        Capacity: 

        0.65 to 0.75 liters (0.69 to 0.79 US qts, 0.57 to 0.66 lmp. qts) 

        Oil grade: 

        Hypoid gear oil API GL-5 or equivalent 

        Fig 4: Adding Differential Oil
        G05296085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Recommended oil viscosity: 

        DIFFERENTIAL OIL VISCOSITY SPECIFICATION

        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.
    2. Rear differential:
      1. Using a hexagon wrench (10 mm), remove the differential filler plug and gasket.
      2. Add oil.

        Capacity: 

        2GR-FSE: 

        1.30 to 1.40 liters (1.37 to 1.48 US qts, 1.14 to 1.23 lmp. qts) 

        4GR-FSE (2WD): 

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

        Fig 5: Adding Differential Oil
        G05318894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        4GR-FSE (4WD): 

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

        Oil grade: 2GR-FSE, 4GR-FSE (2WD): 

        Toyota genuine differential synthetic gear oil API GL-5 SAE 75W-85 or equivalent 

        4GR-FSE (4WD): 

        Hypoid gear oil API GL-5 or equivalent 

        Recommended oil viscosity: 

        DIFFERENTIAL OIL VISCOSITY SPECIFICATION

        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 (10 mm), install the differential 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.