Subaru Legacy IV (2008 year). Manual - part 663

CS-59

Reverse Check Cable

CONTROL SYSTEMS

11) Attach the reverse check cable, washer and
snap pin to the reverse check lever.

NOTE:
Take care to install the snap pin in proper direction.

12) Install the under cover.

(A) Reverse check cable

(B) Washer

(C) Snap pin

(D) Front side

CS-00224

(B)

(D)

(C)

(A)

CS-60

General Diagnostic Table

CONTROL SYSTEMS

10.General Diagnostic Table

A: INSPECTION

Symptoms

Possible cause

Corrective action

Select lever

Starter does not run.

Adjust the select cable and inhibitor switch, or 
inspect the circuit.

Back-up light does not illuminate.

Adjust the select cable and inhibitor switch, or 
inspect the circuit.

AT shift lock system does not operate normally.

Adjust the select cable and inhibitor switch, or 
inspect the circuit.

Manual mode can not be set.

Adjust the mode switch and select lever, or inspect 
the circuit.

Up-shift is not engaged at manual mode.

Check the shift-up switch and circuit.

Down-shift is not engaged at manual mode.

Check the shift-down switch and circuit.

4AT-2

General Description

AUTOMATIC TRANSMISSION

1. General Description

A: SPECIFICATION

1. TORQUE CONVERTER CLUTCH

2. OIL PUMP

3. TRANSMISSION CONTROL ELEMENT

4. TRANSMISSION GEAR RATIO

5. PLANETARY GEAR AND PLATE

6. SELECTOR POSITION

Type

Symmetric, 3 element, single stage,

2 phase torque converter

Stall torque ratio

2.05 — 2.35

Nominal 
diameter

mm (in)

246 (9.69)

Stall speed 
(at sea level)

2,200 — 2,700 rpm

One-way clutch

Sprag type one-way clutch

Type

Parachoid constant-displacement 

pump

Driving method

Driven by engine

Number of teeth

Inner rotor

9

Outer rotor

10

Type

4-forward, 1-reverse,

double-row planetary gears

Multi-plate clutch

3 sets

Multi-plate brake

2 sets

One-way clutch 
(sprague type)

1 set

1st

2.785

2nd

1.545

3rd

1.000

4th

0.694

Rev

2.272

Number of front 
sun gear teeth

33

Number of front 
pinion teeth

21

Number of front 
internal gear 
teeth

75

Number of rear 
sun gear teeth

42

Number of rear 
pinion teeth

17

Number of rear 
internal gear 
teeth

75

Number of high 
clutch drive 
plates

4

Number of low 
clutch drive 
plates

5

Number of 
reverse clutch 
drive plates

2

Number of drive 
plates for the 2-4 
brake

3

Number of drive 
plates for low & 
reverse brake

5

P (Park)

Transmission is in neutral, output member 
is fixed, engine start is possible

R (Reverse)

Transmission in reverse for backing up

N (Neutral)

Transmission is in neutral and engine 

start is possible

D (Drive)

4-forward automatic gear change

1st 

m o 2nd m o 3rd m o 4th

SPORT mode

4-forward automatic gear change

1st 

m o 2nd m o 3rd m o 4th

Manual mode (+)

4-forward manual gear change 

(shift up)

1st

o 2nd o 3rd o 4th

Manual mode (–)

4-forward manual gear change 

(shift down)

1st

m 2nd m 3rd m 4th

Control method

Wire cable type

4AT-3

General Description

AUTOMATIC TRANSMISSION

7. HYDRAULIC CONTROL AND 
LUBRICATION

8. COOLING AND HARNESS

9. TRANSFER

10.FINAL REDUCTION GEAR

11.RECOMMENDED GEAR OIL

Type

Electronic hydraulic control 

[4 forward gear changes 

made by electronic signals of 

vehicle speed and accelera-

tor (throttle) opening]

Fluid

Recommended 
materials

SUBARU ATF HP

Alternative

IDEMITSU “ATF HP”

CAUTION:

Be sure to use the recom-

mended or equivalent ATF. 

Using material except rec-

ommended one or substi-

tute would cause trouble.

Fluid 
capacity

2 (US qt, Imp qt)

9.3 — 9.6 

(9.8 — 10.1, 8.2 — 8.4)

Lubrication system

Forced feed lubrication with 

oil pump

Oil

Automatic transmission fluid 

(see above)

Cooling system

Liquid-cooler

Inhibitor switch

12 poles

Transmission harness

20 poles

Transfer type

Multi-plate transfer (MPT)

Number of transfer clutch 
drives and driven plates

5

Control method

Electronic hydraulic type

Lubricant

Same automatic transmission 

fluid as used in the automatic 

transmission

Reduction gear ratio

1.000 (53/53)

Model

Except for OUTBACK

OUTBACK

Front final reduction gear ratio

4.111 (37/9)

4.444 (40/9)

Lubrication oil

(1) Item

(3) API standard

(2) Front differential gear oil

(4) SAE viscosity No. and applicable 

temperature

Front differential oil capacity

2 (US qt, Imp qt)

1.1 — 1.3 (1.2 — 1.4, 1.0 — 1.1)

(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

MT-00001