Subaru Legacy III (2000-2003 year). Service manual — part 527
AT-2
AUTOMATIC TRANSMISSION
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
1. TORQUE CONVERTER CLUTCH
2. OIL PUMP
3. TRANSMISSION CONTROL ELEMENT
4. TRANSMISSION GEAR RATIO
5. PLANETARY GEAR AND PLATE
Model
2.0 L non-TURBO
model
2.5 L model
3.0 L model
2.0 L TURBO model
Type
Symmetric, 3 element, single stage, 2 phase torque converter
Stall torque ratio
2.2 — 2.4
1.9 — 2.1
2.1 — 2.3
Nominal diameter
236 mm (9.29 in)
246 mm (9.69 in)
Stall speed (at sea level)
2,000 — 2,500 rpm
2,100 — 2,600 rpm
2,600 — 3,500 rpm
One-way clutch
Sprague type one-way clutch
Type
Pracoid constant-displacement pump
Driving method
Driven by engine
Number of teeth
Inner rotor
9
Outer rotor
10
Type
4-forward, 1-reverse, double-row plan-
etary gears
Multi-plate clutch
3 sets
Multi-plate brake
2 sets
One-way clutch
(sprague type)
1 sets
1st
2.785
2nd
1.545
3rd
1.000
4th
0.694
Rev
2.272
2.0 L non-TURBO model
2.5 L model
3.0 L and 2.0 L TURBO
models
Tooth number of front sun gear
33
Tooth number of front pinion
21
Tooth number of front internal gear
75
Tooth number of rear sun gear
42
Tooth number of rear pinion
17
Tooth number of rear internal gear
75
Drive & driven plate number of high clutch
4
5
Drive & driven plate number of low clutch
4
6
7
Drive & driven plate number of reverse
clutch
2
Drive & driven plate number of 2-4 brake
3
4
Drive & driven plate number of low &
reverse brake
4
6
7
AT-3
AUTOMATIC TRANSMISSION
GENERAL DESCRIPTION
6. SELECTOR POSITION
7. HYDRAULIC CONTROL AND LUBRICATION
8. COOLING AND HARNESS
9. TRANSFER
10.FINAL REDUCTION
P (Park)
Transmission in neutral, output member immovable, and engine start possible
R (Reverse)
Transmission in reverse for backing
N (Neutral)
Transmission in neutral and engine start possible
D (Drive)
Automatic gear change 1st
←
→
2nd
←
→
3rd
←
→
4th
3 (3rd)
Automatic gear change 1st
←
→
2nd
←
→
3rd
←
4th
2 (2nd)
Automatic gear change (Deceleration possible 1st
←
→
2nd
←
3rd
←
4th)
1 (1st)
1st gear locked (Deceleration possible 1st
←
2nd
←
3rd
←
4th)
Control method
Hydraulic remote control
Type
Electronic/hydraulic control [Four forward speed changes by electrical signals of vehicle speed and
accelerator (throttle) opening]
Fluid
Dexron III type Automatic transmission fluid
Fluid capacity
2.0 L non-TURBO model
8.4 — 8.7
2
(8.9 — 9.2 US qt, 7.4 — 7.7 Imp qt)
Except for 2.0 L non-TURBO model 9.3 — 9.6
2
(9.8 — 10.1 US qt, 8.2 — 8.4 Imp qt)
Lubrication system
Forced feed lubrication with oil pump
Oil
Automatic transmission fluid (above mentioned)
Cooling system
Liquid-cooled cooler incorporated in radiator
Inhibitor switch
12 poles
Transmission harness
20 poles
Model
2.0 L non-TURBO
2.5 L without VDC
2.5 L with VDC
3.0 L and 2.0 L TURBO
Transfer type
Multi-plate transfer (MPT)
Variable torque distribution
(VTD)
Drive & driven plate number of transfer
clutch
4
5
3
Control method
Electronic, hydraulic type
Lubricant
The same Automatic transmission fluid used in automatic transmission
1st reduction gear ratio
1.000 (53/53)
Model
3.0 L model and except for OUTBACK
OUTBACK
Front final gear ratio
4.111 (37/9)
4.444 (40/9)
Lubrication oil
Front differential oil capacity
1.1 — 1.3
2
(1.2 — 1.4 US qt, 1.0 — 1.1 Imp qt)
AT-00001
• Front differential gear oil
API Classification
GL-5
SAE Viscosity No. and Applicable Temperature
(˚C) –30 –26 –15
–5 0
15
25 30
(˚F) –22 –15
5
23 32
59
77
90
85W
80W
75W-90
86
ITEM
AT-4
AUTOMATIC TRANSMISSION
GENERAL DESCRIPTION
B: COMPONENT
1. TORQUE CONVERTER CLUTCH AND CASE
AT-00002
T2
T2
T2
T2
T3
T1
(8)
(11)
(1)
(2)
(3)
(4)
(7)
(5)
(6)
(10)
(9)
(14)
(16)
(12)
(13)
(15)
(1) Pitching stopper bracket
(8) Oil drain pipe
(15) Clip
(2) O-ring
(9) Input shaft
(16) Torque converter clutch case
(3) Differential oil level gauge
(10) O-ring
(4) Stay
(11) Torque converter clutch ASSY
Tightening torque: N·m (kgf-m, ft-lb)
(5) Seal pipe
(12) Drain plug
T1: 18 (1.8, 13.0)
(6) Oil pump shaft
(13) Gasket
T2: 41 (4.2, 30.4)
(7) Clip
(14) Oil seal
T3: 44 (4.5, 32.5)
AT-5
AUTOMATIC TRANSMISSION
GENERAL DESCRIPTION
2. OIL PUMP
(21)
(19)
(18)
(12)
(10)
( 1 )
(11)
(15)
( 6 )
( 9 )
(16)
AT-00003
T4
T4
( 3 )
( 2 )
( 4 )
( 7 )
( 8 )
T5
( 5 )
T2
(13)
(12)
(13)
(14)
T3
T2
T6
T1
(17)
(20)
T7
(1) Oil pump rotor
(12) O-ring
Tightening torque: N·m (kgf-m, ft-lb)
(2) Oil pump cover
(13) Test plug
T1: 7 (0.7, 5.1)
(3) Seal ring
(14) Stud bolt
T2: 13 (1.3, 9.4)
(4) Thrust needle bearing
(15) O-ring
T3: 18 (1.8, 13.0)
(5) Drive pinion shaft
(16) O-ring
T4: 25 (2.5, 18.1)
(6) Roller bearing
(17) Oil seal retainer
T5: 40 (4.1, 30)
(7) Shim
(18) Oil seal
T6: 42 (4.3, 31)
(8) Oil pump housing
(19) O-ring
T7: 116 (11.8, 85)
(9) Nipple
(20) Drive pinion collar
(10) Air breather hose
(21) Lock nut
(11) Gasket
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