Toyota 2008 FJ Cruiser Owner's Manual page 388

6-1. Specifications
Manual transmission
Gear oil capacity (Reference)
Gear oil type
Recommended gear oil viscosity
Clutch
Clutch free play
Fluid type
Transfer (4WD models)
Oil capacity
Oil type
Recommended oil viscosity
368
1.9 qt. (1.8 L, 1.6 Imp.qt.)
Gear oil API GL-4 or GL-5
SAE 75W-90
0.2 ⎯ 0.6 in. (5 ⎯ 15 mm)
FMVSS No. 116 DOT 3 or SAE J1703
Vehicles with an automatic transmission
1.1 qt. (1.0 L, 0.9 Imp.qt.)
Vehicles with a manual transmission
1.5 qt. (1.4 L, 1.2 Imp.qt.)
Vehicles with an automatic transmission
Hypoid gear oil API GL-4 or GL-5
Vehicles with a manual transmission
Hypoid gear oil API GL-5
SAE 75W-90