Subaru 2002 Impreza User manual

2002

IMPREZA SERVICE MANUAL

QUICK REFERENCEINDEX

CHASSIS SECTION

This service manual has been prepared

to provide SUBARU service personnel

with the necessaryinformationand 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

experiencedmechanics.

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.

FUJI HEAVY INDUSTRIES LTD.

G18306E5

FRONT

SUSPENSION

FSr

....................................................................................

.........................................................................................

GeneralDescription 2

Wheel Alignment

Sub Frame

................................................................................................

FrontTransverseLink

...............................................................................

Front BallJoint

..........................................................................................

Front Crossmember

..................................................................................

GeneralDiagnosticTable

..........................................................................

.................................................................................................

..........................................................................................

Front Strut 20

Front Stabilizer 24

GENERAL DESCRIPTION

FRONT

SUSPENSION

Model

General

Description

SPECIFICATIONS

STABILIZER

Bardiameter.

ALL MODEL

WHEEL ALIGNMENT

(0.79

in)

Model Sedan Wagon

Caster (commondifference:

f0'45')

I I

0+3

(Of0.12

in)

Eachtoe anale:

kO"O7'30

(Totaltoe anale:

fO"15')

Toe-in

3'35'

3'25'

3'35'

3'25'

Kingpinangle (tolerance:

+0"45')

14"35'

14"20'

13"45'

13"30'

13'20'

Wheel arch height

[tolerance:

f12

(f0.47

in)]

402

396

406

387

397

(15.59

in)

(15.98

in)

(15.24

in)

(15.63

in)

5.83

in)

AOTE:

Front and rear toe-ins and front camber can be

adjusted.

the toe-inor cambertoleranceexceeds

specifications,adjusttoe-in andcamber

the mid-

dle value of specification.

The other items indicatedin the specificationta-

blecannot be adjusted.

the other items exceeds

specifications, check suspension parts and con-

nectionsfor deformities; replacewith new ones as

required.

B4M2250B

(1)

Front

Positive: Toe-in, Negative:Toe-out

Eachtoe angle

FS-2

GENERAL DESCRIPTION FRONT

SUSPENSION

FS-3

GENERAL DESCRIPTION

FRONT

SUSPENSION

COMPONENT

FS-4

GENERAL DESCRIPTION

FRONT

SUSPENSION

Frontcrossmember

BoltASSY

Housing

Washer (20)

Stopper rubber (Rear) (21)

Rear bushing (22)

Stopper rubber (Front) (23)

Balljoint (24)

Transverselink (25)

Cotterpin (26)

Front bushing

(27)

model) (29)

Clamp (30)

Bushing (31

Stabilizer (32)

Stabilizerlink (Exceptsedanturbo (28)

Jack-upplate

Dustseal

Strut mount

Spacer

Upperspringseat

Rubberseat

Dustcover

Helper

Coilspring

Damperstrut

Adjusting bolt

Castlenut

Self-lockingnut

Sub frame

Tightening torque: N.m (kgf-m,

ft-lb)

TI:

ZO(2.0,

14.5)

T3:

(3.1,22)

T4: 34 (3.5,25)

T5: 40 (4.1,30)

T6: 45 (4.6,33)

T7:

50 (5.1, 37)

T8: 55 (5.6, 41)

T9: 71

(7.2,

52)

T10: 100(10.2, 74)

T11: <Ref. toFS-17, INSPECTION,

Sub

Frame.>

T2: 25(2.5, 18.1)

Cover

T12: 175 (17.8, 129)

Clip

T13: 190(19.4, 140)

Stabilizerlink (Sedanturbo model)

T14: 250(25.5, 184)

FS-5

GENERAL DESCRIPTION

FRONT

SUSPENSION

C: CAUTION

Wear working clothing, including a cap, protec-

tive goggles, and protective shoes during opera-

tion.

Remove contamination including dirt and corro-

sion beforeremoval, installationor disassembly.

Keep the disassembled parts in order and pro-

tect them from dust or dirt.

Before removal, installation or disassembly, be

sure to clarify the failure. Avoid unnecessary re-

moval, installation,disassembly, and replacement.

Use SUBARU genuine grease etc. or the equiv-

alent.

not mix grease etc. with that of another

grade or from other manufacturers.

Be sure to tighten fasteners including bolts and

nuts

the specifiedtorque.

Placeshopjacksorsafetystandsat thespecified

points.

Apply grease onto sliding or revolutionsurfaces

before installation.

BeforeinstallingO-ringsor snap rings,apply suf-

ficient amount of grease to avoid damage and de-

formation.

Before securing a part on a vice, place cushion-

ing materialsuch as wood blocks,aluminum plate,

or shop cloth betweenthe partand the vice.

FS-6

GENERAL DESCRIPTION FRONT

SUSPENSION

PREPARATIONTOOL

SPECIAL TOOLS

ILLUSTRATION TOOL NUMBER

927380002

84M2385

TOOL NAME

Alignment gauge

Turning radiusgauge

Toe-in gauge

Dial gauge

927680000

927760000

REMARKS

Usedfor wheel alignmentmeasurement.

Usedfor wheel alignment measurement.

Usedfor toe-in measurement.

Usedfor damper strut measurement.

GENERAL PURPOSETOOLS

~ NSTALLER

3EMOVER SET

STRUT MOUNT

SOCKET

REMARKS

sed as an adapter for camber

caster gauge

,henmeasuringcamber andcaster.

) 28199AC000 PLATE

28199AC010 BOLT

Jsed for replacingtransverse link bushing.

Usedfor disassemblingandassemblingstrut

andshock mount.

FS-7

WHEEL ALIGNMENT

FRONT

SUSPENSION

Wheel Alignment

INSPECTION

Check, adjust and/or measurewheel alignment in accordance with procedures indicatedinfigure:

WHEEL ARCH HEIGHT (FRONT AND REAR)

CAMBER (FRONT AND REAR)

FRONT TOE-IN

REAR TOE-IN

THRUST ANGLE (REAR)

WHEEL STEERING ANGLE

B4M1

OBBA

FS-8

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