Subaru Impreza 2003, Service Manual

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6MT-2
MANUAL TRANSMISSION AND DIFFERENTIAL
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATION
1. MANUAL TRANSMISSION AND FRONT DIFFERENTIAL
[ ]: Australia model
2. TRANSMISSION GEAR OIL
Recommended oil
Item STD OP
Type 6-forward speeds and 1-reverse
Transmission gear ratio
1st 3.636
2nd 2.375
3rd 1.761
4th 1.346
5th 0.971 [1.062]
6th 0.756 [0.842]
Reverse 3.545
Front reduc-
tion gear
Final
Type of gear Hypoid
Gear ratio 3.900
Rear reduc-
tion gear
Transfer
Type of gear Helical
Gear ratio 1.100 [1.000]
Final
Type of gear Hypoid
Gear ratio 3.545 [3.900]
Front differ-
ential
Type and number of gear
Straight bevel gear (Bevel pinion: 2,
Bevel gear: 2)
SURETRAC

Center differ-
ential
Type and number of gear
Straight bevel gear
(Bevel pinion: 2, Bevel gear: 2 and viscous coupling)
Transmission gear oil GL-5
Transmission gear oil capacity 4.1
2
(4.3 US qt, 3.6 Imp qt)
(1) Item
(2) Transmission gear oil
(3) API classification
(4) SAE viscosity No. and applicable temperature
MT-00001
(1)
(4)
GL-5
(3)
(2)
( C)
( F)
-30 -26 -15 15
90
85W
80W
75W -90
25 30 -5 0
-22 -15 23 32 86 59 77 5