SUBARU Impreza WRX STi, 2.0 Litre Turbo Eng., 4WD (1998-2002) Crankcase CASTROL MAGNATEC PROFESSIONAL A3 10W-30 or CASTROL EDGE SPORT 5W-30 Service Refill Capacity: 4.5* Litres (See Note 759) Manual Transmission CASTROL MULTITRAX or CASTROL SYNTRAX 75W-90 Service Refill Capacity: 4.0 Litres (See Note 176) Automatic Transmission CASTROL TQ-DIII Service Refill Capacity: 9.3 Litres (See Note 12) Differential CASTROL EPX 80W-90 or CASTROL S