Subaru 2009 IMPREZA Service Manual page 2280

DIFFERENTIALS
1. General Description
A: SPECIFICATION
1. REAR DIFFERENTIAL
When replacing a rear differential assembly, select the correct one according to the following table.
NOTE:
Using a different rear differential assembly will cause the drive train and tires to drag or emit abnormal noise.
Model
Rear differential type
Identification
Type of gear
Gear ratio (Number of gear teeth)
Oil capacity
Rear differential gear oil
Model
Rear differential type
Identification
Type of gear
Gear ratio (Number of gear teeth)
Oil capacity
Rear differential gear oil
2. IDENTIFICATION
Identification positions are shown in the following
figures. For details concerning identification, refer
to the "ID" section.
(1) Identification
General Description
2.5 L Non-turbo
4AT
T-type
T2
Hypoid gear
4.111 (37/9)
0.8 2 (0.8 US qt, 0.7 Imp qt)
GL-5
2.5 L Turbo
4AT
T-type
Hypoid gear
3.900 (39/10)
0.8 2 (0.8 US qt, 0.7 Imp qt)
GL-5
(1)
DI-00502
5MT
T1
3.900 (39/10)
5MT
B2
3. REAR DIFFERENTIAL GEAR OIL
Recommended gear oil:
GL–5 (75W–90)
CAUTION:
Each oil manufacturer has its base oil and addi-
tives. Thus, do not mix two or more brands.
( C) -30 -26 -15
( F) -22 -15
(1) Item
(2) Rear differential gear oil
(3) API classification
(4) SAE viscosity No. and applicable temperature
DI-2
(1)
(2)
(3)
GL-5
(4)
-5 0 15 25 30
5 23 32 59 77 86
90
85W
80W
75W -90
MT-00001