Sienna AWD V6-3.5L (2GR-FE) (2007)
Fluid - Transfer Case: Fluid Type Specifications
Transfer Case Fluid Type
Type ............................................................................................................................................................................................ Hypoid gear oil API GL-5
RECOMMENDED OIL VISCOSITY:
Above -18°C (0°F): .................................................................................................................................................................................................. SAE 90
Below -18°C (0°F): ............................................................................................................................................................................. SAE 80W or 80W-90