Subaru Legacy 2002 Service Manual page 1573

Automatic Transmission
1. General Description
A: SPECIFICATIONS
1. TORQUE CONVERTER CLUTCH
Model 2.0 L model
Symmetric, 3 element, single stage, 2
Type
phase torque converter
Stall torque
2.0 — 2.2
ratio
Nominal
diameter
Stall speed 2,000 —
(at sea level) 2,500 rpm
One-way
Sprague type one-way clutch
clutch
2. OIL PUMP
S502001E4902
Type Pracoid constant-displacement pump
Driving method
Inner rotor
Number of teeth
Outer rotor
3. TRANSMISSION CONTROL ELEMENT
S502001E4903
4-forward, 1-reverse, double-row
Type
Multi-plate clutch
Multi-plate brake
One-way clutch
(sprague type)
4. TRANSMISSION GEAR RATIO
1st
2nd
3rd
4th
Rev
GENERAL DESCRIPTION
S502001
S502001E49
S502001E4901
2.5 L model 3.0 L model
1.9 — 2.1 1.8 — 2.0
246 mm (9.69 in)
2,100 — 2,600 rpm
Driven by engine
9
10
planetary gears
3 sets
2 sets
1 sets
S502001E4904
Gear ratio
2.785
1.545
1.000
0.694
2.272
5. PLANETARY GEAR AND PLATE
2.0 L model
Tooth num-
ber of front
sun gear
Tooth num-
ber of front
pinion
Tooth num-
ber of front
internal gear
Tooth num-
ber of rear
sun gear
Tooth num-
ber of rear
pinion
Tooth num-
ber of rear
internal gear
Drive &
driven plate
number of
high clutch
Drive &
driven plate
number of
low clutch
Drive &
driven plate
number of
reverse
clutch
Drive &
driven plate
number of
2-4 brake
Drive &
driven plate
number of
low &
reverse
brake
AT-2
2.5 L model 3.0 L model
33
21
75
42
17
75
4
4 6
2
3
4 6
S502001E4905
5
7
4
7