Subaru Legacy III (2000-2003 year). 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