Subaru Workshop Service and Repair Manuals

Differential Fluid - Transfer Case: Specifications
With Manual Transmission

Transfer Case (with Manual Transmission) 

Gear Oil Capacity.............................................................................................................................................................  3.5 Liter (3.7 US qt, 3.1 Imp qt)

Note: Total fluid capacity for the Manual Transmission with front differential and Transfer Case (center differential) is the same capacity for entire
unit.