Subaru WRX & WRX STI Manuals 2015 WRX & WRX STI Owner's Manual | Page 471

12-6

Specifications/Specifications

& Manual transmission, front differential and rear differential gear oil
Oil

Manual transmission oil
STI

Oil grade

.

API classification GL-5
(75W-90)*3

Except
STI

.
.

SUBARU Extra MT*3
API classification GL-5
(75W-90)*4

Front differential gear oil (CVT
models)

Rear differential gear oil

.
.

API classification GL-5

SUBARU Extra MT*3
API classification GL-5
(75W-90)

.
.

SAE viscosity No.
and applicable temperature

75W-90*
90

—

—

STI

4.3 US qt (4.1 liters, 3.6 Imp qt)

—

1.1 US qt (1.0 liter, 0.9 Imp qt)

Except
STI

3.5 US qt (3.3 liters, 2.9 Imp qt)

1.5 US qt (1.4 liters, 1.2 Imp qt)

0.8 US qt (0.8 liters, 0.7 Imp qt)

*: recommended
Oil capacity*1
Remarks*2

“Manual transmission oil” F11-22 “Front differential gear oil (CVT “Rear differential gear oil” F11-23
models)” F11-22

*1: The indicated oil quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other
factors. After refilling the gearbox with oil, the oil level should be checked.
*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.