Subaru IMPREZA 2002 Service Manual page 42

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GENERAL DESCRIPTION
AUTOMATIC TRANSMISSION
Model
Type
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Non-turbo Turbo
Symmetric, 3 element, single stage, 2 phase
torwe converter
1. General Description
A: SPECIFICATIONS
1. TORQUE CONVERTER CLUTCH
3rd 1
.ooo
1.9
-
2.1
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1.85-2.15
ratio torque
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4th
Nominal
diameter
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0.694
246 mm (9.69 in)
speed
(at sea level)
2,100
-
2,600 rpm
1
2,600
-
3,300 rpm
1
Sprague type one-way clutch
One-way
clutch
37
Rear sun gear number of
teeth
2. OILPUMP
42
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Type
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Pracoid constant-displacement pump
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Inner rotor
LDriving method
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Driven by engine
9
4
Drive & driven plate number
of high clutch
3. TRANSMISSION CONTROL ELEMENT
5
6
Drive & driven plate number
of low clutch
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Multi-plate brake
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2 sets
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7
1 sets
One-way clutch
(sprague type)
Type
Multi-Dlate clutch
4. TRANSMISSION GEAR RATIO
4-forward, 1 -reverse, double-row plane-
tary gears
3 sets
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Except sedan
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Sedan non-turbo
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non-turbo
Model
1 st
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3.027
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2.785
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2nd
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1.61 9
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1.545
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5. PLANETARY GEAR AND PLATE
Model
1 - 1
Turbo
I " 1
33
Front sun gear number of
teeth
Front pinion number of teeth
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21
75
Front internal gear number
of teeth
Rear pinion number of teeth
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19
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17
Drive & driven plate number
of 2-4 brake
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1
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Drive & driven plate number
of low & reverse brake
AT-2