Subaru 2009 IMPREZA User manual

FW-2

Foreword

FOREWORD

1. Foreword

A: FOREWORD

These manuals are used when performing mainte-

nance, repair or diagnosis of Subaru IMPREZA.

Applicable model:

2009MY GE*****, GH*****

The manuals contain the latest information at the

time of publication. Changes in the specifications,

methods, etc. may be made without notice.

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

the diagnostic information has also been added

where necessary.

2. CONTENTS

The first page has an index with tabs.

HU-3

How to Use This Manuals

HOW TO USE THIS MANUALS

3. COMPONENT

Illustrations are provided for each component. The information necessary for repair work (tightening torque,

grease up points, etc.) is described on these illustrations. Information is described using symbol.

To order parts, refer to parts catalogue.

Example:

HU-00017

(14)

(9)

(8)

(7)

(6)

(10)

(4) (10)

(22)

(11)

(19)

(17)

(15)

(13)

(12)

(18)

(16)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(11)

(10)

(9)

(12)

(13)

(19)

(18)

(20)

(17)

(16)

(24)

(10)

(25)

(5)

(4)

(3)

(2)

(1)

(21)

(15)

(23)

T11

T10

T5 T3

(20)

(21)

(23)

(22)

(10)

(24)

(25)

(26)

(35)

(34)

(27)

(14)

(28)

(29)

(31)

(32)

(37)

(30)

(33)

(36)

T1 ....

:Selective part

:Replacement part

:Sealing point

:Should be lubricated with oil.

:Should be lubricated with grease.

: Tightening torque

HU-4

How to Use This Manuals

HOW TO USE THIS MANUALS

4. SPECIFICATION

If necessary, specifications are also included.

5. INSPECTION

Inspections to be carried out before and after maintenance are included.

6. MAINTENANCE

• Maintenance instructions for serviceable parts describe work area and detailed step with illustration. It also

describes the use of special tool, tightening torque, caution for each procedure.

• If many serviceable parts are included in one service procedure, appropriate reference is provided for each

parts.

Example:

(A) Component (D) Cautions (G) Tightening torque

(B) Process (E) Tool number of special tool (H) Illustration

HU-00041

1) Remove the manual transmission assembly

from vehicie. <Ref. to MT-33, REMOVAL, Manual

Transmission Assembly.>

15.Main Shaft

A: REMOVAL

11) Tighten the lock nuts to the specified torque us-

ing ST1 and ST2.

NOTE:

Secure the lock nuts in two places after tightening.

ST1 498937000 TRANSMISSION HOLDER

(A)

(B)

(C)

(D)

(G)

(E) (F)

(H)

Tightening torque:

120 N m (12.2 kgf-m, 88.5 ft-lb)

ST1

ST2

ST2 499987003 SOCKET WRENCH (35)

HU-5

How to Use This Manuals

HOW TO USE THIS MANUALS

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.

Example:

Tightening torque:

45 N·m (4.6 kgf-m, 33.2 ft-lb)

HU-6

How to Use This Manuals

HOW TO USE THIS MANUALS

9. EXPLANATION OF TERMINOLOGY

•List

AAI : Air Assist Injection HID : High-Intensity Discharge

AAR : Angular Adjusted Roller H/U : Hydraulic Unit

A/B : Airbag IG : Ignition

ABS : Anti-lock Brake System IN : Intake

A/C : Air Conditioner INT : Intermittent

AC : Angular Contact I/O : Input / Output

ACC : Accessory ISC : Idle Speed Control

A/F : Air Fuel Ratio LAN : Local Area Network

ALT : Generator LCD : Liquid Crystal Display

ASSY : Assembly LED : Light Emitting Diode

AT : Automatic Transmission LH : LH (Left Hand)

ATF : Automatic Transmission Fluid LSD : Limited Slip Differential

AVCS : Active Valve Control System M/B : Main Fuse & Relay Box

AWD : All Wheel Drive MFI : Multi Point Injection

BATT : Battery MP-T : Multi-Plate Transfer

BJ : Bell Joint MT : Manual Transmission

CAN : Controller Area Network NA : Natural Aspiration

CD : Compact Disc OP : Option Parts

COMPL : Complete OBD : On-Board Diagnosis

CPU : Central Processing Unit P/S : Power Steering

DOHC : Double Overhead Camshaft P/W : Power Window

DTC : Diagnosis Trouble Code PCV : Positive Crankcase Ventilation

DOJ : Double Offset Joint PID : Parameter Identification

DVD : Digital Versatile Disc or Digital Video Disc RAM : Random Access Memory

EBD : Electronic Brake Distribution RH : RH (Right Hand)

EBJ : High-efficiency Compact Ball Fixed Joint ROM : Read Only Memory

EDJ : High-efficiency Compact Double Offset Joint rpm : Revolution Per Minute

ECM : Engine Control Module SOHC : Single Overhead Camshaft

EGI : Electronic Gasoline Injection SRS : Supplemental Restraint System

E/G : Engine SSM : Subaru Select Monitor

EGR : Exhaust Gas Recirculation ST : Special Tool

EX : Exhaust SW : Switch

ETC : Electronic Throttle Control TGV : Tumble Generator Valve

F/B : Fuse & Joint Box VDC : Vehicle Dynamics Control

FWD : Front Wheel Drive V.I.N. : Vehicle Identification Number

GPS : Global Positioning System VTD : Variable Torque Distribution

SPC-2

Impreza

SPECIFICATIONS

1. Impreza

A: DIMENSION

B: ENGINE

C: ELECTRICAL

Model 4 door 5 door OUTBACK

Overall length mm (in) 4,580 (180.3) 4,415 (173.8)

Overall width mm (in) 1,740 (68.5)

Overall height (at C.W.) mm (in) 1,475 (58.1) 1,480 (58.3)

Compartment

Length mm (in) 1,985 (78.1)

Width mm (in) 1,475 (58.1)

Height mm (in) Model without sunroof : 1,200 (47.2)

Model with sunroof : 1,170 (46.1)

Wheelbase mm (in) 2,620 (103.1)

Tr e a d

Front mm (in) 1,495 (58.9) 1,490 (58.7)

Rear mm (in)

Non-turbo model: 1,495 (58.9)

Turbo mode (205 tire) l: 1,500 (59.1)

Turbo mode (225 tire) l: 1,505 (59.3)

1,495 (58.9)

Minimum road clearance mm (in) 155 (6.1) 160 (6.3)

Model 2.5 L Turbo 2.5 L turbo

(WRX-SS model) 2.5 L

Engine type Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine

Valve arrangement DOHC SOHC

Bore × stroke mm (in) 99.5 × 79.0 (3.92 × 3.11)

Displacement cm3(cu in) 2,457 (149.94)

Compression ratio 8.4 10.0

Ignition order 1 — 3 — 2 — 4

Idle speed at Park or

Neutral position

rpm 700 MT: 650

AT : 7 0 0

Maximum output kW (HP)/rpm 167 (224)/5,200 198 (265)/6,000 127 (170)/6,000

Maximum torque N·m (kgf-m, ft-lb)/rpm 307 (31.3, 226)/2,800 330 (33.7, 244)/4,000 230 (23.5, 170)/4,400

Model 2.5 L Turbo 2.5 L

Ignition timing (at idling) BTDC MT: 12°r10°

AT : 1 7 ° r10°

MT: 10°r8°

AT: 15°r10°

Spark plug Type and manufacturer NGK: SILFR6A NGK: FR5AP-11

Generator 12 V — 110 A 12 V — 90 A

Battery Type and capacity (5HR) AT: 12 V — 52 AH (65D23L)

MT: 12 V — 48 AH (55D23L)

SPC-3

Impreza

SPECIFICATIONS

D: TRANSMISSION

5MT: 5-forward speeds, 1-reverse

4AT: 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 2.5 L Turbo 2.5 L

Transmission type 5MT 4AT 5MT 4AT

Clutch type DSPD TCC DSPD TCC

Gear ratio

1st 3.166 2.785 3.454 2.785

2nd 1.882 1.545 2.062 1.545

3rd 1.296 1.000 1.448 1.000

4th 0.972 0.694 1.088 0.694

5th 0.738 — 0.780 —

6th — — — —

Rev. 3.333 2.272 3.333 2.272

Reduction gear

(Front)

1st reduction Type of gear — Helical — Helical

Gear ratio — 1.000 — 1.000

Final reduction Type of gear Hypoid Hypoid Hypoid Hypoid

Gear ratio 3.900 3.900 3.900 4.111

Reduction gear

(Rear)

Transfer reduction Type of gear Helical — Helical —

Gear ratio 1.000 — 1.000 —

Final reduction Type of gear Hypoid Hypoid Hypoid Hypoid

Gear ratio 3.900 3.900 3.900 4.111

Model 2.5i, OUTBACK WRX, 2.5 GT WRX-SS

Ty p e Rack and pinion

Turns, lock to lock 2.8

Minimum turning

diameter m (ft) Curb to curb 10.6 (34.8) 10.8 (35.5)

Wall to wall 11.2 (36.7) 11.4 (37.4)

Front Macpherson strut type suspension

Rear Double-wishbone type suspension

Model 2.5 i OUTBACK, WRX, 2.5 GT, WRX-SS

Service brake system Dual circuit hydraulic with vacuum suspended power unit

Front Ventilated disc brake

Rear Drum brake

(OP: Disc brake) Disc brake

Parking brake Mechanical on rear brakes

Model 2.5 i OUTBACK, WRX, 2.5 GT WRX-SS

Rim size 16 × 61/2JJ 17 × 7JJ

Tire size P205/55R16 89V P205/50 R17 88V 225/45 R17 91W

Type Tubeless, Steel belted radial

SPC-4

Impreza

SPECIFICATIONS

I: CAPACITY

Model 2.5 L Turbo 2.5 L

5 M T 4 AT 5 M T 4 AT

Fuel tank 2(US gal, Imp gal) 64 (16.9, 14.1)

Engine oil

Capacity

(at overhaul) 2(US qt, Imp qt) 5.0 (5.3, 4.4)

When replacing

engine oil and

oil filter

2(US qt, Imp qt) 4.2 (4.4, 3.7)

When replacing

engine oil only 2(US qt, Imp qt) 4.0 (4.2, 3.5)

Transmission gear oil 2(US qt, Imp qt) 3.5 (3.7, 3.1) — 3.5 (3.7, 3.1) —

ATF 2(US qt, Imp qt) —

9.3 — 9.6

(9.8 — 10.1,

8.2 — 8.4)

—

9.3 — 9.6

(9.8 — 10.1,

8.2 — 8.4)

Front differential gear oil 2(US qt, Imp qt) —

1.1 — 1.3

(1.2 — 1.4,

1.0 — 1.1)

—

1.1 — 1.3

(1.2 — 1.4,

1.0 — 1.1)

Rear differential gear oil 2(US qt, Imp qt) 0.8 (0.8, 0.7)

Power steering fluid 2(US qt, Imp qt) 0.7 (0.7, 0.6)

Engine coolant 2(US qt, Imp qt) 7.5 (7.9, 6.6) 7.4 (7.8, 6.5) 6.8 (7.2, 6.0) 6.7 (7.1, 5.9)

SPC-5

Impreza

SPECIFICATIONS

J: WEIGHT

Model

4 door

SOHC

2.5 i

MT AT

OP code U4 U4 U4 U4 U4 C0 U4 U4 U4 U4

FW NF IZ IO VO NF FW NF IZ IO

Curb weight

(C.W.)

To t a l kg

(lb)

1,390

(3,064)

1,395

(3,075)

1,385

(3,053)

1,405

(3,097)

1,405

(3,097)

1,395

(3,075)

1,420

(3,130)

1,425

(3,141)

1,415

(3,119)

1,435

(3,163)

Front kg

(lb)

780

(1,719)

780

(1,719)

775

(1,708)

785

(1,730)

785

(1,730)

780

(1,719)

810

(1,785)

810

(1,785)

805

(1,774)

815

(1,796)

Rear kg

(lb)

610

(1,345)

615

(1,356)

610

(1,345)

620

(1,367)

620

(1,367)

615

(1,356)

610

(1,345)

615

(1,356)

610

(1,345)

620

(1,367)

Gross vehicle weight

(G.V.W.)

(lb)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

1,950

(4,299)

Gross axle

weight

(G.A.W.)

Front kg

(lb)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

990

(2,183)

Rear kg

(lb)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

1,000

(2,205)

Option

Aluminum wheel — — — — —

Cruise control

Leather package — — — — —

Genuine leather

seat — — — — — — — — — —

High grade audio — — — — — —

Navigation — — — — — — — — —

Satellite tuner — — — — — — — — —

Rear disc brake — —

Satellite SW — — — — —

Side airbag

Curtain airbag

VDC — —

Front fog light — — — — —

Cold weather

package — — — — — — — — — —

Sunroof — — — — — — —

Spare tire

(standard) — — — — — — — — — —

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