Tacoma Regular Cab 4WD L4-2.7L (3RZ-FE) (1999)
Fluid - Differential: Fluid Type Specifications
Front Differential
With Automatic Disconnecting Differential (A.D.D.):
Hypoid Gear Oil API GL-5 .............................................................................................................................................................................. SAE 75W-90
Less A.D.D:
Hypoid Gear Oil API GL-5
Above -18°C (0°F) ..................................................................................................................................................................................................... SAE 90
Below -18°C (0°F) .............................................................................................................................................................................. SAE 80W Or 80W-90
Rear Differential
DIFFERENTIAL OIL
API GL - 5 Hypoid Gear Oil:
Above - 18° C (0° F) .............................................................................................................................................................................................. SAE 90W
Below - 18° C (0° F) .......................................................................................................................................................................... SAE 80W - 90 or 80W