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 SYNTRAX 75W-90
Service Refill Capacity: 1.2 Litres (See Note 132)
Power Steering
CASTROL TQ-DIII
4WD Differential
CASTROL MULTITRAX or CASTROL SYNTRAX 75W-90 - UPDATE Feb 2017 Castrol Multitrax is no longer. The replacement is Castrol Universal 80W-90 and appears the same as the Multitrax (API GL-5)
Service Refill Capacity: 0.8 Litres (See Note 453, 115)
Notes
* Includes Oil Filter
12 Dry fill capacity shown, fill only to full mark.
115 Rear differential.
132 Separate differential only with automatic transmission.
176 Consistently above 0 deg. C, may also use CASTROL EPX 80W-90.
453 May also use CASTROL EPX 80W-90.
759 For severe use or racing, refer Castrol Technical Department.