LS 400 V8-4.0L (1UZ-FE) (1990)
Fluid - Differential: Fluid Type Specifications
DIFFERENTIAL OIL TYPE
Rear Axle Type ......................................................................................................................................................... GL-5 (Gear Oil, API Service GL-5)
Above 0°F (-18°C) ......................................................................................................................................................................................................... 90
Below 0°F (-18°C) ...................................................................................................................................................................................... 80W, 80W-90