Subaru 2001 IMPREZA User manual

FUJI HEAVY INDUSTRIES LTD. G1830GE1
2001 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX
GENERAL INFOMATION
SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.
FOREWORD FW
HOW TO USE THIS MANUALS HU
SPECIFICATIONS SPC
PRECAUTION PC
NOTE NT
IDENTIFICATION ID
RECOMMENDED MATERIALS RM
PRE-DELIVERY INSPECTION PI
PERIODIC MAINTENANCE SERVICES PM

FOREWORD FW
Page
1. Foreword.....................................................................................................2

FW-2
FOREWORD FOREWORD
1. Foreword
A: FOREWORD
These manuals are used when performing mainte-
nance, repair, or diagnosis of the Subaru IMPRE-
ZA.
Applied model: GG***** and GD***** from 2001MY.
The additional manuals below are also available:
AUTOMATIC TRANSMISSION SERVICE MANU-
AL (Pub. No. G0853ZE)
The manuals contain the latest information at the
time of publication. Changes in specifications,
methods, etc. may be made without notice.

HOW TO USE THIS MANUALS HU
Page
1. How to Use This Manuals...........................................................................2

HU-2
HOW TO USE THIS MANUALS HOW TO USE THIS MANUALS
1. How to Use This Manuals
A: HOW TO USE THIS MANUALS
1. STRUCTURE
Each section consists of SCT that are broken down
into SC that are divided into sections for each com-
ponent. The specification, maintenance and other
information for the components are included, and
diagnosis information has also been added where
necessary.
2. INDEX
The first page has an index with tabs. And at the
end of each section is an alphabetical index.
3. COMPONENTS
For each component, a composition drawing is in-
cluded.
4. SPECIFICATIONS
If necessary, specifications are also included
5. INSPECTION
Inspections are included to be carried out before
and after maintenance.
6. MAINTENANCE
Maintenance instructions are provided for each
component. When multiple components comprise
one process, refer to the instructions for that pro-
cess for each component.
7. DIAGNOSIS
Tables showing a step-by-step process make it
easy to conduct diagnosis.
8. SI UNITS
Measurements in these manuals are according to
the SI units. Metric and yard/pound measurements
are also included.

SPECIFICATIONS SPC
Page
1. Impreza.......................................................................................................2

SPC-2
SPECIFICATIONS IMPREZA
1. Impreza
A: DIMENSIONS
★1: 1.6 L
★2: GX
★3: WRX
★4: With roof rail
★5: With sun roof
B: ENGINE
Model Sedan Wagon OUTBACK
Overall length mm (in) 4,405 (173.4)
Overall width mm (in) 1,730 (68.1) 1,695 (66.7) 1,710 (67.3)
Overall height (at CW) mm (in) 1,440 (56.7) 1,465 (57.7),
1,485 (58.5)★41,475 (58.1), 1,495 (58.9)★4
Compartment Length mm (in) 1,890 (74.4) 1,845 (72.6)
Width mm (in) 1,380 (54.3)
Height mm (in) 1,180 (46.5) 1,200 (47.2),
1,150 (45.3)★51,200 (47.2), 1,150 (45.3)★5
Wheelbase mm (in) 2,525 (99.4)
Tread Front mm (in) 1,485 (58.5) 1,460 (57.5)★1,
1,465 (57.7) 1,460 (57.5)
Rear mm (in) 1,475 (58.1),
1,480 (58.3)★31,450 (57.1)★1, 1,455 (57.3) 1,455 (57.3)
Minimum road
clearance Without catalytic converter mm (in) 150 (5.9), 155 (6.1)★2150 (5.9), 155 (6.1)★2160 (6.3)
With catalytic
converter mm (in) 150 (5.9), 155 (6.1)★3150 (5.9), 155 (6.1)★3160 (6.3)
Model 1.6 L Non Turbo 2.0 L Turbo 2.0 L
Engine type Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine
Valve arrangement Overhead camshaft type
Bore ×Stroke mm (in) 87.9 ×65.8
(3.461 ×2.591) 92 ×75 (3.62 ×2.95)
Displacement cm3(cu in) 1,597 (97.45) 1,994 (121.67)
Compression ratio 10.0 8.0
Firing order 1 — 3 — 2 — 4
Idle speed at Park/Neutral
position rpm 700±100 750±100
Maximum output kW (HP)/rpm 75 (100)/5,200 92 (123)/5,600 160 (215)/5,600
Maximum torque N·m (kgf-m, ft-lb)/rpm 143 (14.6, 105.5)/3,600 184 (18.8, 136.0)/3,600 292 (29.8, 215.4)/3,600

SPC-3
SPECIFICATIONS
IMPREZA
C: ELECTRICAL
D: TRANSMISSION
FWD
5MT★1: 5 forward speeds with synchromesh and 1-reverse
4AT★2: Electronically controlled fully-automatic, 4-forward speeds and 1-reverse
DSPD: Dry Single Plate Diaphragm
TCC: Torque Converter Clutch
Model 1.6 L Non Turbo 2.0 L Turbo 2.0 L
Ignition timing at idling speed BTDC/rpm 5°±10°/700 10°±10°/700 12°±10°/750
Spark plug Type and manu-
facturer Without OBD NGK: BKR6E (without catalyst) CHAMPION: RC10YC4 (with catalyst)
NGK: BKR5E-11 (with catalyst) —
With OBD RC10YC4 .......... CHAMPION
NGK: PFR6G
Alternate RC8YC4 .......... CHAMPION
BKR6E-11 .......... NGK
K20PR-U11 .......... NIPPONDENSO
Generator 12V —75A
Battery Type and capac-
ity (5HR) For Europe and South
America
MT: 12V —48AH (55D23L)
AT: 12V —52AH (75D23L) MT: 12V —48AH (55D23L) AT: 12V —52AH (65D23L)
Others 12V —27AH (34B19L)
Model 1.6 L
Transmission type 5MT★14AT
★2
Clutch type DSPD TCC
Gear ratio 1st 3.454 2.785
2nd 2.062 1.545
3rd 1.448 1.000
4th 1.088 0.694
5th 0.825 —
Reverse 3.333 2.272
Reductiongear
(Front drive) 1st reduction Type of gear —Helical
Gear ratio —1.000
Final reduction Type of gear Hypoid Hypoid
Gear ratio 4.111 4.444
Reductiongear
(Rear drive) Transfer reduction Type of gear ——
Gear ratio ——
Final reduction Type of gear ——
Gear ratio ——

SPC-4
SPECIFICATIONS IMPREZA
AWD
5MT★1: 5 forward speeds with synchromesh and 1-reverse
4AT★2: Electronically controlled fully-automatic, 4-forward speeds and 1-reverse
DSPD: Dry Single Plate Diaphragm
TCC: Torque Converter Clutch
E: STEERING
F: SUSPENSION
G: BRAKE
H: TIRE
Model 1.6 L Non Turbo 2.0 L Turbo 2.0 L
Transmission type 5MT★15MT
★14AT ★25MT ★1
Clutch type DSPD DSPD TCC DSPD
Gear ratio 1st 3.454 3.454 2.785 3.454
2nd 2.062 2.062 1.545 1.947
3rd 1.448 1.448 1.000 1.336
4th 1.088 1.088 0.694 0.972
5th 0.825 0.825 —0.738
Reverse 3.333 3.333 2.272 3.333
Dual range 1.447 1.447 —1.447
Reductiongear
(Front drive) 1st reduction Type of gear ——Helical
Gear ratio ——1.000 —
Final reduction Type of gear Hypoid Hypoid Hypoid Hypoid
Gear ratio 4.111 3.900 4.111 3.900
Reductiongear
(Rear drive) Transfer reduction Type of gear Helical Helical —Helical
Gear ratio 1.000 1.000 —1
Final reduction Type of gear Hypoid Hypoid Hypoid Hypoid
Gear ratio 4.111 3.900 4.111 3.545
Model WRX OUTBACK OTHERS
Type Rack and Pinion
Turns, lock to lock 1.6 1.5 1.6
Minimum turning circle m (ft) Curb to curb 11.0 (36.1) 10.8 (35.4) 10.4 (34.1)
Wall to wall 12.0 (39.4) 11.6 (38.1) 11.2 (36.7)
Front Macpherson strut type, Independent, Coil spring
Rear Dual-link type, Independent, Coil spring
Model 1.6 L 2.0 L
Service brake system Dual circuit hydraulic with vacuum suspended power unit
Front Ventilated disc brake
Rear Drum brake Disc brake
Parking brake Mechanical on rear brakes
Rim size 14 ×51/2JJ 15 ×6JJ 16 ×61/2JJ 17 ×7JJ
Tire size 175/70R14 84T 185/70R14 88H 195/60R15 88H P205/55R16 89V 215/45R17 87W
Type Steel belted radial, Tubeless