Manual Transmission, Front Differential And Rear Differential Gear Oil - Subaru WRX 2021 Owner's Manual

12-6
Specifications/Specifications
& Manual transmission, front differential and rear differential gear oil
Oil Manual transmission oil
. API classification GL-5
STI
(75W-90)*
Oil
. SUBARU Extra MT*
grade
Except STI
. API classification GL-5
(75W-90)*
SAE viscosity No. and
applicable tempera-
ture
STI 4.3 US qt (4.1 liters, 3.6 Imp qt)
Oil ca-
pacity* 1
Except STI 3.5 US qt (3.3 liters, 2.9 Imp qt)
Remarks* "Manual transmission oil" F11-21
2
*1: The indicated oil quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other
factors. Check the oil level after refilling the gearbox with oil.
*2: For more details about maintenance and service, refer to the indicated section.
*3: The vehicle is filled at the factory with this oil.
*4: You may use this type of manual transmission oil. However, using this type of oil will detract from driveability and fuel efficiency.
Front differential gear oil (CVT
3
. SUBARU Extra MT*
3
. API classification GL-5
(75W-90)
4
—
1.5 US qt (1.4 liters, 1.2 Imp qt)
"Front differential gear oil (CVT
models) and rear differential
gear oil" F11-22
models)
—
3
—
—
"Front differential gear oil (CVT models) and rear
differential gear oil" F11-22
Rear differential gear oil
API classification GL-5
. 75W-90*
. 90
*: Recommended
1.1 US qt (1.0 liter, 0.9 Imp qt)
0.8 US qt (0.8 liters, 0.7 Imp qt)