Subaru 2002 IMPREZA Service Manual page 1538

AUTOMATIC TRANSMISSION
1. General Description
A: SPECIFICATIONS
1. TORQUE CONVERTER CLUTCH
Model 1.6 L
Symmetric, 3 element, single stage, 2 phase
Type
Stall torque
2.2 — 2.4 2.0 — 2.2 1.9 — 2.1
ratio
Nominal 236 mm
diameter (9.29 in)
2,200 —
Stall speed
2,700
(at sea level)
rpm
One-way
Sprague type one-way clutch
clutch
2. OIL PUMP
Type Pracoid constant-displacement pump
Driving method
Inner rotor
Number of teeth
Outer rotor
3. TRANSMISSION CONTROL ELEMENT
4-forward, 1-reverse, double-row plan-
Type
Multi-plate clutch
Multi-plate brake
One-way clutch
(sprague type)
4. TRANSMISSION GEAR RATIO
1st
2nd
3rd
4th
Rev
GENERAL DESCRIPTION
2.0 L
2.0 L
Non- 2.5 L
Turbo
turbo
torque converter
1.85 —
2.15
246 mm (9.69 in)
2,000 — 2,100 — 2,600 —
2,500 2,600 3,300
rpm rpm rpm
Driven by engine
9
10
etary gears
3 sets
2 sets
1 sets
Gear ratio
2.785
1.545
1.000
0.694
2.272
5. PLANETARY GEAR AND PLATE
Model 1.6 L
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
2.0 L
Non- 2.5 L
turbo
33
21
75
42
17
75
3 4
4 6
1 2
2 3
4 6
2.0 L
Turbo
5
7
4
7