Pontiac Fiero 1988 User manual

PONTI A C
Service N\avua\

1988
PONTIAC
FIERO
SERVICE MANUAL
This manualappliestothe1988PontiacFieroModels.Itcontains
thelatestproduct information availableatthe time ofpublication
approval. Information pertainingtotheoperationofthevehicle
is containedintheOwner's Manual whichaccompanieseach
vehicle.The right isreservedtomakechangesatany time
without notice.
Anyreferencetobrandnamesinthismanualisintendedmerely
as anexampleofthetypesoflubricants,tools,materials,etc.
recommendedforuseinservicing1988PontiacModels.Inall
cases, anequivalentmaybe used.
PONTIACMOTOR DIVISION
GENERAL MOTORSCORPORATION
PONTIAC, MICHIGAN 43053
©1987General Motors Corp.AllRightsReserved.
No part ofthispublicationmaybereproduced,storedinany
retrievalsystemortransmittedinany form orbyanymeans,
includingbutnot limited toelectronic,mechnical,photocopying,
recordingorotherwise; without theprior written permissionof
General Motors Corp.Thisincludesall text, illustrations,tables
andcharts.
S-8810-P
TABLE OFCONTENTS
SECTION NAME
SECT.
GENERAL INFORMATION
OA.General Information
OB. Maintenance& Lubrication
0
HEATINGANDAIR CONDITIONING
IA. Heating and Ventilation
IB. AirConditioning
1D2.HR-6A/CCompressorOverhaul
1D3.V-5A/CCompressorOverhaul
1.
FRAME ANDBUMPERS
2A.Frame(Cradle)and Mounts
2B. Bumpers
2C. Chassis Sheet Metal
2.
STEERING, SUSPENSION, WHEELS
AND TIRES
3.Diagnosis
3A.WheelAlignment
3B2. Manual RackandPinion
3B4.SteeringWheels/Columns
3C. FrontSuspension
3D.RearSuspension
3E. TiresandWheels
3.
FINALDRIVE
4D.DriveAxle
4.
BRAKES
5.Brakes
5A3.CompositeMasterCylinder
5B4.48HFrontCaliper
5B10.48HRearCaliper
5D2.TandemDiaphragmBooster
5F. Specifications
S.
ENGINE
6.EngineGeneral Information
6A.GeneralEngineMechanical
6A1.2.5LiterL4
6A2.2.8LiterV6
6B. EngineCooling
6C. EngineFuel
6D.EngineElectrical
6D1.Battery
6D2.CrankingSystem
6D3.ChargingSystem
6D4. Ignition System
6D5.Engine Wiring
6E. Driveabilityand Emissions — Gen Info
6E2. FuelInjectionTBI
6E3. Emissions — PFI
6F. EngineExhaust
e.
TRANSMISSION
7A.AutomaticTransaxle/Transmission—
DiagnosisandGeneralService
7A1.AutomaticTransaxle— On-CarService
125C.AutomaticTransaxle—
HydraulicDiagnosis
125C.AutomaticTransaxle— Unit Repair
7B2. 5-SpeedIsuzu Manual Transaxle—
On-Car Service
7B2A.5-SpeedIsuzu Manual Transaxle—
Unit Repair
7B3. Muncie2825-Speed Manual Transaxle
—GeneralDescription,Diagnosis,On-
Car Service
7B3AMuncie2825-Speed Manual Transaxle
— Unit Repair
7C. Clutch
7.
CHASSIS ELECTRICAL
8A.ElectricalDiagnosis
8B. Chassis Electrical
8C. InstrumentPanel,Gages& Console
8E2. Wiper andWasherSystem
8.
ACCESSORIES
9A.Radio
9B. CruiseControl
9E. EngineBlockHeater
9F. Miscellaneous Accessories
S.
BODY SERVICE MANUAL
ENDOF
MANUAL

CAUTION
Toreducethechanceofpersonalinjuryand/orpropertydamage,thefollowinginstruc-
tionsmustbecarefullyobserved:
Properserviceandrepairare important tothesafetyoftheservicetechnicianandthe
safe, reliableoperationofall motor vehicles.If part replacementis necessary, the part
mustbereplaced with oneofthesame part numberor with anequivalentpart.Donot
use a replacement part of lesser quality.
Theserviceproceduresrecommendedanddescribedinthisservicemanualareeffective
methodsofperformingserviceandrepair.Someoftheseproceduresrequiretheuseof
toolsspeciallydesignedforthepurpose.
Accordingly,anyonewhointendstousea replacementpart,serviceprocedureortool,
whichisnotrecommendedbythevehiclemanufacturer,mustfirstdetermine that
neitherhissafetynorthesafeoperationofthevehicle will bejeopardizedbythere-
placementpart,serviceprocedureor tool selected.
Itis important tonote that thismanualcontainsvarious"cautions"and"notices" that
mustbecarefullyobservedinordertoreducetheriskofpersonalinjuryduringservice
orrepair,orthepossibility that improperserviceorrepairmaydamagethevehicleor
renderitunsafe.Itisalso important tounderstand that thesecautionsandnoticesare
notexhaustive,becauseitisimpossibletowarnofallthepossiblehazardous conse-
quences that might result from failureto follow theseinstructions."

GENERAL INFORMATION OA-1
SECTION OA
GENERAL INFORMATION
CONTENTS
General Description OA-!
BodyNumberPlate OA-i
VehicleIdentificationNumber OA-1
MetricFasteners OA-1
FastenerStrengthIdentification................... OA-2
PrevailingTorqueFasteners OA-2
Recommendations For FastenerReuse........ OA-2
VehicleLiftingProcedures OA-2
PrecautionsAgainstTipping........................ OA-5
AutomotiveAbbreviations OA-9
GENERAL DESCRIPTION
Onlygeneralinformationappears in thissection.
Detailedspecifications on majorunits are given atthe
endofeachrespectivesection of thismanual.
BODY NUMBER PLATE
TheBodyNumberPlate (Fig.1)is attached to
thefronttiebarbehindeithertherightorleftheadlamp
in the enginecompartment onall models. The Body
NumberPlateidentifiesnumerousitemsasoutlined in
Figure 1.
VEHICLE IDENTIFICATIONNUMBER
TheVehicleIdentificationNumber (VIN) Plate
islocated ontop oftheinstrumentpanel atthe lower
left of thewindshield, see Figure 2. Refer to Figure 3
fordetailed"VIN"codeinformation. For EngineV.I.
N. Location,refer to Figure 4.
METRIC FASTENERS
Pontiacmodelsareprimarilydimensioned inthe
metricsystem.Mostfasteners are metric andare very
close in dimension to well-knowncustomaryfasteners
in the inchsystem. Itis mostimportantthat
replacementfasteners beofthe correctnominal
diameter,threadpitch and strength.
Originalequipmentmetricfasteners(except
"beauty"bolts,such as exposedbumperbolts, and
crossrecessheadscrews) are identified bya number
1— BODY STYLE
2 — ASSEMBLY PLANT
3 — UNIT NUMBER
4 — PAINT TYPE
5— ROOF OPTION
6 — SEAT OPTION
7— TRIMCOMBINATION
8 — UPPER BODY
9 — UPPER COLOR
10 — LOWER BODY
11— REMAINING LINES
— AVAILABLE FOR
— PLANT USE
12 — LOWER COLOR
13 — MODEL YEAR
14 — TIME BUILD CODE
15 — DIVISION
16 —BODY TYPE
13 1415161
10 7 6 9 5 8
Fig. 1 BodyNumberPlate 520022-OA

UA* UfcNtKAl INhUHMAHUN
VINNUMBER PLATE
LOCATION
Fig. 2 VehicleIdentificationNumberPlateLocation
markingindicatingthestrengthofthematerialinthe
fastenerasoutlinedbelow.Metriccrossrecessscrews
areidentifiedbya PosidrivorType 1A crossrecessas
showninFigure6.Eithera PhillipsheadorType1A
crossrecessscrewdrivercanbeusedinPosidrivrecess
screwheads,butType1Acrossrecessscrewdrivers
willperformbetter.
NOTICE: Mostmetricfastenershaveabluecolor
coating.However,thisshouldnotbeusedasa
positivewayofidentifyingassomemetricfasteners
arenotcolorcoated.
GeneralMotorsEngineeringStandards,along
withotherNorthAmericanIndustries,haveadopted
aportionofthestandardmetricfastenersizesdefined
byISO(InternationalStandardsOrganization).This
wasdonetoreducethenumberoffastenersizesused
andyetretainthebeststrengthqualitiesineachthread
size. Forexample,thecustomary 1/4-20 and 1/4-28
screwsarereplacedbythemetricM6.0X 1 screw
whichhasnearlythesamediameterand25.4threads
perinch.Thethreadpitchisinbetweenthecustomary
coarseandfinethreadpitches.
Metricandcustomarythreadnotationdiffer
slightly.ThedifferenceisshowninFigure9.
FASTENER STRENGTH IDENTIFICATION
Mostcommonlyusedmetricfastenerstrength
propertyclassesare9.8and10.9withtheclass
identificationembossedontheheadofeachbolt.
Customary(inch)strengthclassesrangefromgrade2
to8 withradiallineidentificationembossedoneach
bolthead(i.e.,grade7 boltwillexhibit5 embossed
radiallinesonthebolthead).Somemetricnutswillbe
markedwithsingledigitstrengthidentification
numbersonthenutface.Figure10showsthedifferent
strengthmarkings.
Whenreplacingmetricfasteners,becarefultouse
boltsandnutsofthesamestrengthorgreaterthanthe
originalfasteners(thesamenumbermarkingorhigher)
.Itisalsoimportanttoselectreplacementfastenersof
thecorrect size. Correctreplacementboltsandnutsare
availablethroughthepartsdivision.Manymetric
fastenersavailableintheafter-marketpartschannels
weredesignedtometricstandardsofcountriesother
thantheUnitedStates.Thesefastenersmaybeofa
lowerstrength,differentthreadpitchandmaynothave
thenumberedheadmarkingsystem.Themetric
fastenersusedonGMproductsaredesignedtonew,
internationalstandardsthatmaynotbeusedbysome
nondomesticboltandnutsuppliers.Ingeneral,except
forspecialapplications,thecommonsizes andpitches
are:
M6.0X 1 M 8 x 1.25
M10X 1.5M 12X 1.75
M14X2
PREVAILING TORQUE FASTENERS
Aprevailingtorquenutisdesignedtodevelopan
interferencebetweenthenutandboltthreads.Thisis
mostoftenaccomplishedbydistortionofthetopofan
all-metalnutorbyusinga nylonpatchonthethreads
inthemiddleofthehexflat.A nyloninsertmayalso
beusedasa methodofinterferencebetweennutand
boltthreads(Fig.9).
Aprevailingtorquebolt is designedtodevelopan
interferencebetweenboltandnutthreads,orthe
threadsofa tappedhole.Thisisaccomplishedby
distortingsomeofthethreadsorbyusinganylonpatch
oradhesive(Fig.9).
RECOMMENDATIONS FOR FASTENER REUSE:
1.Clean,unrustedprevailingtorquenutsandbolts
maybereusedasfollows:
a.Cleandirtandotherforeignmaterialoffnut
orbolt.
b. Inspectnutorbolttoinsurethereareno
cracks,elongation,orothersignsofabuse
orovertightening.(Ifthereisanydoubt,
replacewitha newprevailingtorque
fastenerofequalorgreaterstrength.)
c.Lightlycoatbolt& nutwithengineoil.
Assemblepartsandhandstartnutorbolt.
d.Observethatbeforefastenerseats,it
developstorqueperthechartinFigure10.
(Ifthereisanydoubt,replacewitha new
prevailingtorquefastenerofequalor
greaterstrength.)
e.Tightenfastenertotorquespecifiedin
appropriatesectionofthismanual.
2. Boltsandnutswhicharerustyordamaged
shouldbereplacedwithnewpartsofequalor
greaterstrength.
VEHICLE LIFTING PROCEDURES
NOTICE: Whenjackingorliftingvehiclefrom
framesiderails,becertainliftpadsdonotcontact
catalyticconverterasdamagetoconverterwill
result.
Manydealerservicefacilitiesandservicestations
areequippedwitha typeofautomotivehoistwhich
mustbearuponsomepartoftheframeinordertolift
thevehicle.Figures15thru17indicatethe
recommendedareasforhoistcontact.
Ifanyotherhoistmethodsareused,specialcare
mustbeusednottodamagethefueltank,fillerneck,
exhaustsystemorunderbody.

GENERAL INFORMATION OA-3
NATION OFORIGIN
U.S.A.
Canada
MANUFACTURER
General Motors
MAKE AND TYPE
2. Pontiac
PONTIAC V!f\! SYSTEM IDENTIFICATION
G2PG11R6JP 1 2345
SERIES COD
CODE
1
SERIES/MODEL TABLE
{V.I.N. POSITION *4&#5)
SERIES
MODEL
POS#4 POS#5
PONTIAC
A
F 6000
A
G
6000 LE
A E
6000 S/E
A H
6000 STE
B
L
Sa far i
F
S
Firebird
F
W Trans Am
G
J
Grand Prix
G
K
Grand Prix LE
G P G.P.
Brougham
H
X Bonneville
H
z Bonneville LE
J
B
Sunbird
J
D
Sunbird SE
J
U
Sunbird GT
N
E Grand Am
N
V
Grand AmLE
N
W Grand AmSE
P
E
Fiero Coupe
P F Fiero SE Coupe
P G Fiero GT Coupe
P
M Fiero Sport Coupe
T
L 1000
T
6
PLANTSEQUENCE NUMBER
PLANTCODE
GM PLANT CODES
- (V.I.N. POSITION #11)
A
Lakewood
C
Lansing B
L Van Nuy5
N
Norwood
P
Pont iac
T
Tarrytown
W
Willow Run
X
Fairfax
1
Oshawa
2
St. Therese
7
Lordstown
CHECK DIGIT
BODY TYPES
(V.I.N. POSITION#o ,
VIN BODY
CODE TYPE
DESCRIPTION
2 08 Sedan
2 Door Plain Back (Hatchback)
5
19 Sedan
4 Door 6 Window Notehback
1
27 Coupe
2 DoorNotehback
8 35
Station Wagon 4 Door
1 37 Coupe 2 DoorNotehback Special
3
67 Coupe 2 Door Convertible
6
68 Sedan
4 Door 6 Window Plain Back
5 69 Sedan
<! Door 4 Window Notehback
2
77 Coupe 2 Door Plain BackHatchback
2
87 Coupe 2 Door Plain Back Special
1 97 Coupe 2 DoorNotehback Sport
RESTRAINT SYSTEM
(V.I.N. POSITION #7)
DESCRIPTION
Manual Belts
Manual BeltsWith Built-in Safety
Manual BeltsWith Built-in Safety
AutomaticBelts
(Driver On 1y)
MODEL
YEAR
B
1981
C 1982
D 1983
E 1984
F
1985
G 1986
H
1987
J
1988
K
1989
L 1990
ENGINE CODES
(V.I.N. POSITION #8)
V . I . N .
CODE
R.P.O.
CODE
ENGINE
TYPE
CARBURETION
DI3PL.
(LITRES)
A
LD5 V6
2BBL
3.8
C
LI7
L4
2BBL
1 . 6
F LB9
V8
MPFI 5.0
L69
V8
4BBL
5 . 0
H LG4 V8
4BBL
5.0
K
LT2 L4
TBI
2.0
I,
LN7 V6 MPFI
3 . 0
M
LT3 L4 MPFI
Turbo
2 . 0
R
LR8 L4
TBI 2
. 5
S
LB8 V6 MPFI
2 . 8
u
L68
L4
TBI 2
. 5
w
LB6 V6 MPFI 2.8
Y
LV2
V8 4BBL
5.0
z
LB 4
V6 TBI 4
. 3
3 LG3
V6 SFI 3
. 8
8
L98
V8
TPI
5.7
9
L44
V6 MPFI 2.8
H20001-0A
Fig. 3 VehicleIdentificationNumberData

OA-4 GENERAL INFORMATION
2.5LL 4 (CO^^
^ <?
VIEW A
2.8LV 6 tCODES W &S & 9)
1- V.I.N. NUMBERLOCATION
2- OPTIONAL V.I.N. NUMBERLOCATION
Fig. 4 Engine V.I.N. IdentificationLocation
5-SPEEDMANUAL(MG1,MG2) H
Fig. 5 TransaxleIdentificationLocation

GENERAL INFORMATIONOA-5
POSIDRIV
SCREW HEAD
IDENTIFICATIONMARKS|4»
5200090A
Fig. 6 CrossRecessScrew
PRECAUTIONS AGAINSTTIPPING
Onfront-wheeldrivevehicles, the centerline of
gravity is furtherforwardthan on rear-wheeldrive
vehicles.Therefore,wheneverremovingmajor
componentsfrom the rear of thevehicle,while
supportedonahoist, itis mandatorytosupportthe
vehicle ina manner to prevent the possibility ofthe
vehicletippingforward.
CAUTION:Failure to follow the
procedureoutlined may result in
unsatisfactory car performance, ora
durabilityfailurewhich may result in
loss of control ofcar.
ME
tic
SIZES
MU)
8 10 12 14 n
20
NUTS AND 0.4 0.3 1.4
2.2
3.0
4.2
70
ALL METAL BOLTS
_«N:L§SL 4.0 7
o
12 18 25 35 57
ADHESIVE OR NYLON N<
0.4 0 6 1.2 1.6
24 3.4 5.6
COATED BOLTS
IN.
LBS.
4.0 5
0 10
14 20 28 46
IWCM SIZES
.250 .312
.375 437
.500 .562 .625 .750
NUTS AND
mmm
04 06 1
4
1
8 2.4 3.2 4.2 6.2
ALL METAL BOLTS
IN. LBS.
4.0 SO
12
1
5 20 27
35 51
ADHESIVE OR NYLON
N«m
0.4
0.6 1 o 1
.4
1.8
2.6 3.4 5.2
COATED BOLTS
IN. LBS. 4.0 5.0 9.0 1
2 15 22 28 43
- ------ 520013-OA
Fig. 8 TorqueChart
@© ® @ ®
CENTER TOP
LOCKLOCK
NYLONNYLONNYLON
PATCH WASHERINSERT
INSERT
DRY
ADHESIVE
COATING
THREAD
PROFILE
DEFORMED
NYLON
STRIP
OUT OF
ROUND
THREAD
AREA
520012-OA ,
Fig. 9 PrevailingTorqueFasteners
CUSTOMARY
METRIC
1/4 W
THREAD MAJOR
DIAMETER IN INCHES
NUMBER OFTHREADS
PER INCH
M6.0
THREAD MAJORDIAMETER
IN MILLIMETRES
DISTANCE BETWEEN
THREADS m MILLIMETRES
THREAD PITCH
_S20010*A
Fig. 7 Thread Notation

OA-6 GENERAL INFORMATION
METRIC BOLTS—IDENTIFICATION CLASS NUMBERS CORRESPOND TO BOLT
STRENGTH—INCREASING NUMBERS REPRESENT INCREASING STRENGTH.
520037-OA
Fig. 10BoltStrengthMarkings
SERVICE PARTS IDENTIFICATION LABEL
The Service Parts IdentificationLabelprovidesidentifi-
cationofvehicleequipmentto assist inservicingand
determiningreplacementparts.Includedonthislabel
will beregularproductionoptions(RPO's)aswellas
standard andmandatoryoptions.Thelabel will beaf-
fixedtotheinsideof each passenger carvehicleatthe
assemblyplant.
Foradditionalinformationonthe Service Parts Identifi-
cationLabelseea GM PartsCatalog.
KJ
o
o
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DCJ© 000£00PQ© WHOrao
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AS2 133Ci#DtCC4C»A4
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MA?M« DAftR BLUG\M*
PAINTALANTICPROnOTION ?H@ TONK
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«9£3S© OSIL 6©DOIV
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2^
52002J-0A
Fig. 11ServicePartsIdentification

GENERAL INFORMATIONOA-7
[TlLABELLOCATION
Fig. 12ServicePartsLabelLocation

OA-8 GENERAL INFORMATION
DECIMAL AND METRIC EQUIVALENTS
Fractions
Decimal Metric
Fractions
Decimal
Metric
In.
MM.
In.
MM.
1/64 .015625. .
. . .09000 33/64 .515625. .
. 13.09687
1/32 .03125. . .79375 17/32 .53125. . .
. 13.49375
3/64 .046875. .
1.19062 35/64 .546875. .
. 13.89062
1/16, . .0625. . .
1.58750
9/16. .
. .5625. . .
. 14.28750
5/64 .078125. .
1.98437 37/64 .578125. .
. 14.68437
3/32. . . .09375. . 2.38125 19/32
. .59375...
. 15.08125
7/64 .109375. . 2.77812 39/64 .609375. .
. 15.47812
1/8 .125
3.1750 5/8 .625....
. 15.87500
9/64 .140625. .
3.57187 41/64 .640625..
. 16.27187
5/32 . .15625. . 3.96875 21/32 .65625. . .
. 16.66875
11/64 .171875. . 4.36562 43/64 .671875..
. 17.06562
3/16 .1875. . .
4.76250
11/16. , .6875. . .
. 17.46250
13/64 .203125. .
5.15937
45/64 .703125. .
. 17.85937
7/32, , ,
. .21875. . 5.55625 23/32 .71875. . .
. 18.25625
15/64 .234375. . 5.95312 47/64
. .734375. .
. 18.65312
1/4 .250 6.35000
3/4 .750
. 19.05000
17/64 .265625. .
6.74687 49/64 .765625. .
. 19.44687
9/32 - .28125. . 7.14375 25/32 .78125. . .
. 19.84375
19/64 .296875. . 7.54062
51/64 .796875. .
. 20.24062
5/16 . .3125. . . 7.93750
13/16 .8125. . .
. 20.63750
21/64 .328125. . 8.33437
53/64. .828125. .
. 21.03437
11/32 .34375. . 8.73125 27/32. , .84375. . .
. 21.43125
23/64 .359375. . 9.12812 55/64 .859375. .
. 21.82812
3/8 .375
9.52500 7/8 .875....
. 22.22500
25/64, . .390625. . 9.92187 57/64 .890625. .
. 22.62187
13/32 .40625. .
. . 10.31875 29/32
. .90625. . .
. 23.01875
27/64. .421875. .
. . 10.71562 59/64 .921875. .
. 23.41562
7/16, .4375. . .
. . 11.11250 15/16 .9375. . .
. 23.81250
29/64 .453125. . . 11.50937 61/64 .953125. .
. 24.20937
15/32 .46875. . . . 11.90625 31/32 .96875. . . 24.60625
31/64„ .484375..
. . 12.30312 63/64
. .984375. . 25.00312
1/2. . . ,
. .500
. . 12.70000 1 . 1.00 25.40000
520014*A
Fig. 13 Conversion Chart - Customary andMetric

GENERAL INFORMATIONOA-9
LIST OFAUTOMOTIVE ABBREVIATIONS
WHICH MAYBE USED INTHISMANUAL
OMC- OverheadCmm
Ol - OpenLo©p
Oj- Oxygen
PAIR- PulseAirInjectionReactionSystem
P/B- PowerBrakes
PC¥- PositiveCrankcaseVentilation
PECV- P©w@rUnrtehmentControlValve
P/N- Park,NewtraS
PiOM- Progr®gwe»@bl@,ReadOnlyMemory
P/S- PowerSteering
PSI- PoundsPerSquareInch
Pt.- Pint
PT0- PowerTakeoff
Of.- Quart
Amp. « Ampere(s)
A-6- Axial6 CfL A/C Compressor
A/C- AirCo^diti@wi«f
ACC- AutomaticClimateControl
Adj. - Adjust
A/F- Air/Fuel(AsinAir/FuelRatio)
Alt- AirInjectionReactionSystem
AlC- AutomaticLevelControl
AlCL- AssemblylineCommunicationsLink
Alt.- Altitude
APT- AdjustablePartThrottle
AT- AutomaticTransmission
ATC- AutomaticT@mp@ratureControl
ATDC- AfterTopOeadCenter
BARO- BarometricAbsolutePressureSensor
Bat.- Battery
Bat.+ - PositiveTerminal
Bbl. - Barrel
BMP- BrakeHorsepower
BP• BackPressure
BTDC- BeforeTopDeadCenter
Cat.Conv.- CatalyticConverter
CC- CatalyticConverter
-CubicCentimeter
oConverterClutch
CCC- ComputerCommandControl
C-4• ComputerControlledCatalytic
Converter
CB - CitizensB&md (Radio)
CCOT- CyclingCluteh(Orifice)Tub®
CCP- ControlledCanisterPurge
C.E.- CheckEngine
CEAB- ColdEngineAirbleed
CEMF- CounterElectromotiveForce
CIO- CubicInchDisplacement
CI- Closedloop
CLCC- ClosedloopCarburetorControl
CITBI- ClosedLoopThrottleBodyInjection
Conv.- Cmmm^mw
CP- CanisterPwrg®
Cu. In.- CubicInch
CV- ConstantVelocity
Cyl. - Cylinder^)
DBB- DualBed§•«€§
DIM- DuelSodMonolith
DEFI- DigitalElectronicFuelInjection
DF8- Digital?s#©lEjection
Diff.- Differential
Dist.- Distributer
fAC- ElectricAirControlValve
EAS- ElectricAirSwitchingValve
ECC- ElectronicComfortControl
ECM- ElectronicControlModule
ICS- EmissionControlSystem
ECU- EngineCalibrationUnit
EEC- EvaporativeEmissionControl
lEVIi- EvaporatorEqualizedValvesin
Receiver
1P1» EarlyFuelEvaporation
IPS- ElectronicFuelInjection
EGR- ExhaustGasRecirculation
ELC- ElectroniclevelControl
IMF - ElectromotiveForce
EMR- ElectronicModuleRetard
EOS- ExhaustOxygenSensor
ESC- ElectronicSparkControl
EST- ElectronicSparkTiming
ETC- ElectronicTemperatureControl
ETCC- ElectronicTouchComfortControl
ETR- ElectronicallyTunedReceiver
Exh. - Exhaust
FMVSS- FederalMotorVehicleSafety
Standards
Ft.lb.- FootPounds(Torque)
FWD- FrontWheelDrive
-FourWheelDrive
4x4- FourWheelDrive
HD- HeavyDuty
HEI- HighEnergyIgnition
Hg. - Mercury
Hi. Alt.- HighAltitude
HVAC- Heater-Vent-AirConditioning
HVACM- Heater-Vent-AirConditioning
Module
HVM- Heater-Vent-Module
IAC- Idl©AirControl
1C- IntegratedCirewif
8D- Identification
-InsideDiameter
31C- IdleloadCompensator
IP- InstrumentPanel
ISC- IdleSpeedControl
km- Kilometers
kftt/tt - KilometersPerHour
KV- Kilovolts(ThousandsofVolts)
km/L- Kilometers/Uter(mpg)
kPa- Kilopaseals
I„ yw
1-4- FourCylinderIn-line(Engine)
L-6- SixCylinderIn-line(Engine)
IF- leftFront
IR- leftRear
Man. Vac.- ManifoldVacuum
MAP- ManifoldAbsolutePressure
MAT- ManifoldAirTemperatureSensor
M/C- Mixtur®Control
MPG- MilesPm Gellen
MPH- MilesPerHour
MT- ManualTransmission
N-m- NewtonMetres(Torque)
OD- OutsideDiameter
R- Resistance
R-4- RadialFourCyl.A/CCompressor
RF- RightFront
RPM- RevolutionsPerMinute
RR- RightRear
RTV- RoomTemperatureVulcanizing(Sealer)
RVR- ResponseVacuumReducer
RWD- RearWheelDrive
SAE- SocietyofAutomotiveEngineers
SI- SystemInternational
Sol. - Solenoid
T- Turbocharger
TAC- ThermostaticAirCleaner
TACH- Tachometer
TBI- ThrottleBodyInjection
TCC- TransmissionConverterClutch
TCS- TransmissionControlledSpark
TDC- TopdeadCenter
TPS- ThrottlePositionSensor
Turbo- Turbocharger
TV- ThrottleValve
TVSW- TurbochargerVacuumBleedValve
WIS- Television& RadioSuppression
TVS- ThermalVacuumSwitch
U-Joint - UniversalJoint
V- Volt<s)
V-6- SixCylinderEngine- Arrangedina "V"
V~i- lightCylinderEngine- Arrangedm a "V"
Vac.- Vacuum
VATS- VehicleAnti-TheftSystem
VIN- VehicleIdentificationNumber
VIR- ValvesinReceiver
VSS- VehicleSpeedSensor
VMV- VacuumModulatorValve
W/- With
W/i- WheelBote
W/O- Without
WOT- WideOpenThrottle
X-Valve- ExpansionValve
520020-OA
Fig. 14AutomotiveAbbreviations

OA-10 GENERAL INFORMATION
WHENUSINGA FLOOR
JACK,LIFTONTHE
CENTEROFTHEFRONT
CROSSMEMBER {SET
PARKING BRAKE AND
BLOCK REAR WHEELS)
Fig. 15VehicleLiftingPoints"P" Model

GENERAL INFORMATIONOA-11
520032-OA
Fig. 16 VehicleLiftingPoints "?" Model

OA-12GENERAL INFORMATION
FRAME CONTACTHOIST
-REARWARD OFTHEFRONTWHEEL-
SUSPENSION CONTACTHOIST
-UNDERTHEFRONT
LOWER CONTROLARM-
FRAME CONTACTHOIST
FORWARDOF REAR WHEEL-
1=
^3
SUSPENSION CONTACTHOIST
-LIFTINGON REAR TIRES-
520034-OA
Fig. 17Vehicle Lifting Points "?" Model

MAINTENANCEAND LUBRICATION OB-1
SECTION OB
MAINTENANCEAMD LUBRICATION
CONTENTS
Maintenance Schedule OB-1
OwnerInspectionsQB-4
RecommendedFluidsandLubricantsOB-7
FluidCapacitiesOB-9
PASSENGER CARMAINTENANCESCHEDULE
NORMAL CARUSE
ThemaintenanceitemsshowninSchedulesI and
IIarebasedontheassumptionthatyourcarwillbe
usedasdesigned:
•Tocarrypassengersandcargowithinthelimits
shownon the TireLabellocatedontheedgeof
thedriver'sdoor,
•Onreasonableroadsurfaceswithinlegaldriving
limits,
cOnunleadedgasoline.
EXPLANATION OFSCHEDULED
MAINTENANCE SERVICES
TheserviceslistedintheMaintenanceSchedules
IandII(Figure 1- )arefurtherexplainedbelow.When
thefollowingmaintenanceservicesareperformed,
makesureallpartsarereplacedandallnecessary
repairsaredonebeforedrivingyourcar.
ITEM1
Engine OilandOilFilter Change
ALWAYSUSESF/CCORSF/CDENERGY
CONSERVINGOILSOFPROPERVISCOSITY
Also, alwayschangeoilandfilterassoonaspossible
afterdrivinginaduststorm.SeeyourOwner'sManual
forfurtherdetails.
ITEM2
Chassis Lubrication
Lubricateallgreasefittingsinsuspensionandsteering
linkage.Lubricatetransaxleshiftlinkage, clutch pedalpivot
pointandactuatorrod,parkingbrakecableguides,
underbodycontactpointsandlinkage.
ITEM3
TBI Mounting BoltTorque
Checktorqueofmountingboltsand/ornuts.
ITEM4
Cooling System Service
Drain,flushandrefillsystemwithnewcoolant.
SeeyourOwner'sManualforfurtherdetails.
ITEM5
Transaxle Service
Themanualtransaxlefluiddoesnotrequirechanging.

ITEM
NO.
TOBESERVICED
WHENTOPERFORM
Miles(kilometers)orMonths.
WhicheverOccursFirst
MILES (000)
TheservicesshowninthisScheduleupto48,000miles(80,000km)
aretobeperformedafter48,000milesatthesameintervals
ITEM
NO.
TOBESERVICED
WHENTOPERFORM
Miles(kilometers)orMonths.
WhicheverOccursFirst
MILES (000) 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48
ITEM
NO.
TOBESERVICED
KILOMETERS (000) S 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
1 EngineOil& OilFilterChange* Every3,000mi.(5000km)or3 mos. • • • • • • • ® • m • • @
2 ChassisLubrication Everyotheroilchange • • • • m • • ®
3 TBIMountingBoltTorque* At6,000mi.(10000km)only •
4 CoolingSystemService* Every30,000mi.(50000km)or24mos. m
5 TransaxleService Seeexplanationforservice
intervalinSectionB.
6 SparkPlugService* Every30,000mi.(50000km) m
7 SparkPlugWireInspection*0 Every30,000mi.(50000km) ®
8 PCVValveInspection*0 Every15,000mi.(25000km)24mos. • ®
9 EGRSystemInspection*0 Every30,000mi.(50000km)36mos. • ®
10 AirCleanerElementReplacement* Every15,000mi.(25000km)24mos.t m
11 EngineTimingCheck* Every30,000mi.(50000km) m
12 FuelTank,Cap& LinesInspection*0 Every30,000mi.(50000km) m
13 ThermostaticallyControlled
AirCleanerInspection* Every30,000mi.(50000km) m
14 Tire& WheelInspection& Rotation Every6,000mi.(10000km) • • • • m • # •
FOOTNOTES:
*An Emission Control Service
0The U.S. Environmental Protection Agency
has determined that the failure to perform
this maintenance item will not nullify the
emission warranty or limit recall liability
prior to the completion of vehicle useful
life. General Motors, however, urges that
all recommended maintenance services be
performed at the indicated intervals and
the maintenance be recorded in section C.
tChange air filter every 9,000 miles (15 000
km) or every 12 months when frequently
operating in dusty areas.

MAINTENANCEAND LUBRICATION OB-3
For automatictransaxles, change both the fluid and
filter (or service the screen) every15,000miles(25000
km) ifthecaris mainly driven underoneofmoreof these
conditions:
m In heavycitytraffic where the outside
temperatureregularlyreaches 90°F(32°C) or
higher.
•Inhillyormountainousterrain.
•Frequenttrailerpulling.
•Usessuchasfoundintaxi,policecarordelivery
service.
Ifyoudonotuseyourcarunderanyofthese
conditions,changeboththefluidandfilter(orservice
thescreen)every100,000miles(160000 km). Seeyour
Owner'sManualforfurtherdetails.
ITEM 6
Spark Plugand Wire Service
ReplacesparkplugswithtypelistedinyourOwner's
Manual.
ITEM 7
Spark Plug Wire inspection
Cleanwiresandinspectforburns,cracksorother
damage.Checkthewirebootfitatthedistributorand/or
coil,andatthesparkplugs.Replacethewires as needed.
ITEM 8
Positive Crankcase Ventilation(PCV)Valve
Inspection
Inspectvalveforproperfunction.Replacevalve
ifnecessaryaswellasanyworn,pluggedorcollapsed
hoses.
ITEM 9
EGR System Service
ConductEGRSystemServiceasreferencedin
theEGRSystemChartshowninSection6E.
ITEM10
Air Cleaner ElementReplacement
Replaceevery 24 monthsor15,000miles (25 000 km).
Replacemoreoftenunderdusty conditions. Askyourdealer
fortheproperreplacementintervalforyourdriving
conditions.
ITEM 11
Engine Timing Check
Adjusttimingtounderhoodlabelspecifications.
ITEM12
Fuel Tank,Capand Lines Inspection
Inspectfueltank,capandlines(includingfuel
railsandinjectionassembly,ifsoequipped)fordamage
orleaks.Inspectfuelcapgasketforanevenfillerneck
imprintoranydamage.Replacepartsasneeded.
ITEM13
ThermostaticallyControlledAir Cleaner
Inspection
Inspectallhosesandductsforproperhook-up.
Makesurevalveworksproperly.
ITEM14
TireandWheelRotation
Toequalizewearand obtain maximum tirelife, rotate
in accordance with patternsshowninOwner's Manual.

OB-4 MAINTENANCEAND LUBRICATION
OWNER INSPECTIONS AND SERVICES
Listedbelowareinspectionsandserviceswhich
shouldbemadebyeitheryouora qualifiedtechnician
attheintervalsshowntohelpensurepropersafety,
emissionperformanceanddependabilityofyourcar.
Takeanyproblemspromptlytoyourdealerora
qualifiedtechnicianforserviceadvice.Whenever
repairsarenecessary,havethemcompletedatonce.
Foryoursafetyandthatofothers,anysafety-related
partsthatcouldhavebeendamagedinanaccident
shouldbeinspected.Allneededrepairsshouldbedone
beforeoperatingyourcar.
BEFORE OPERATING YOUR CAR
Warninglight,buzzer,toneandchime
operation-Checkoperationofallwarninglights,
buzzers,tonegeneratorsandchimes-alsoallinterior
lights. SeeyourOwner'sManualfordetails.
Glass, mirrors,lightsand/orreflectors
condition-Lookforbroken,scratched,dirtyor
damagedglass,mirrors,lightsorreflectorsthatcould
reducethevieworvisibilityorcauseinjury.Replace,
cleanorrepairpromptly.
Seat adjusteroperation-Whenadjustinga
manualseat,besureseatadjusterslatchbypushing
seatforwardandbackward.
Rearview mirrorandsun visor operation
-Makesurefrictionjointsholdmirrorsandsunvisors
inplace.
Door, trunk andgatelatchoperation
-Makesurethatalldoors,trunklidandwagonor
hatchbackgateclose,latchlockandsealtightly.
WHILE OPERATING YOUR CAR
Automatictransmission/transaxleshift
indicatoroperation-Makesuretheindicator
pointstothegearchosen.
Wiperand washer operation-Notethe
operationandconditionofthewiperbladesandthe
flowandaimofthewasherspray.Thisincludesthe
rearwindowwiperandwasherifsoequipped.
Defrosteroperation-Periodicallycheckthe
airflowfromtheductsattheinsidebaseofthe
windshield.Dothiswiththeheatercontrolsetfor
"defrost"andfansetfor"high".
Horn operation-Blowthehornoccasionallyto
makesureitworks.Checkallbuttonlocations.
Brake system operation-Bealertto
abnormalsounds,increasedbrakepedaltravelor
repeatedpullingtoonesidewhenbraking.Also,ifthe
brakewarninglightgoeson,orflashes,ortheanti-lock
(ifequipped)lightcomesonorremainson,something
maybewrongwithpartofthebrakesystem.
Exhaust system operation-Bealerttoany
changesinthesoundofthesystemoranysmellof
fumes.Thesearesignsthesystemmaybeleakingor
overheating.Haveitinspectedandrepairedatonce.
Alsosee"EngineExhaustGasCaution(Carbon
Monoxide)"and"CatalyticConverter"inyour
Owner'sManual.
Tireandwheeloperation-Bealerttoa
vibrationofthesteeringwheelorseatatnormal
highwayspeeds.Thismaymeana wheelbalanceis
needed.Also,a pullrightorleftona straight,level
roadmayshowtheneedfora tirepressureadjustment
orwheelalignment.
Steering system operation-Bealertto
changesinsteeringactionAninspectionisneeded
whenthesteeringwheelishardertoturnorhastoo
muchfreeplayorifunusualsoundsarenotedwhen
turningorparking.
Headlightaim-Takenoteoflightpattern
occasionally.Ifbeamaimdoesn'tlookright,headlights
shouldbeadjusted.
AT EACH FUELFILL
Engine oillevel check -Checkengineoillevel
andaddifnecessary.SeeyourOwner'sManual.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
Engine coolantlevelandcondition-Check
enginecoolantlevelincoolantreservoirtankandadd
ifnecessary.Inspectcoolantandreplaceifdirtyor
rusty.SeeyourOwner'sManual.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.

MAINTENANCEAND LUBRICATION OB-5
Windshield washer fluid level check
-Checkwasherfluidlevelincontainerandaddif
necessary.
Hoodlatchoperation-Whenopeninghood
oncarsequippedwithhoodsthatopenfromthefront,
notetheoperationofsecondarylatch.Itshouldkeep
hoodfromopeningallthewaywhenprimarylatchis
released.Makesurethathoodclosesfirmlyafter
washerfluidservicesareperformed.
Clutch system service (manual
transmission/transaxle) -Forcarsequippedwith
hydraulicclutchsystem,checkthereservoirfluidlevel
andaddfluidasrequired.Allothers,checkclutch
pedalfreetravelandadjustasnecessary.Seeyour
Owner'sManualforfurtherdetails.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
AT LEAST MONTHLY
Tire pressure check -Keeppressuresas
shownonTirePlacardonthedriver'sdoor(include
spareunlessitisa stowaway).Pressureshouldbe
checkedwhentiresare"cold".
Light operation-Checkoperationoflicense
platelight,sidemarker lights, headlightsincludinghigh
beams,parkinglights,taillights,brakelights,turn
signals,backuplights,instrumentpanelandinterior
lightsandhazardwarningflashers.
Fluid leak check -Afterthecarhasbeen
parkedfora while,inspectthesurfacebeneaththecar
forwater,oil,fuelorotherfluids.Waterdrippingfrom
theairconditioningsystemafteruseisnormal.Ifyou
noticefuelleaksorfumes,thecauseshouldbefound
andcorrectedatonce.
AT LEAST SEMI-ANNUALLY(FOR EXAMPLE,
EVERY SPRING AND FALL)
Power steeringpump fluid level check
-Checkpowersteeringpumpfluidlevelinaccordance
withOwner'sManualinstructionsandkeepatproper
level.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
Brake mastercylinderreservoir fluid
level check -Checkfluidlevelinaccordancewith
Owner'sManualandkeepatproper level. Note:A low
fluidlevelcanindicateworndiscbrakepadsand
shouldbechecked.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
LACH TIME OILIS CHANGED
Automatictransmission/transaxle fluid
level check -Keepfluidlevelwithinoperatingrange
ondipstick.SeeyourOwner'sManual.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
Manual transmission/transaxle fluid
level check -Checkfluidlevelandaddasrequired.
SeeyourOwner'sManual.
NOTICE: A largelossinthissystemmay
indicatea problem.Haveitinspectedandrepairedat
once.
Tireandwheelinspectionand rotation
-Checktiresforabnormalwearordamage.Also,
checkfordamagedwheels.Toequalizetirewearand
obtainmaximumtirelife,itissuggestedthattiresbe
rotatedatabout7,500miles(12500km)theneach15,
000miles(25000km)thereafter.See"Tires"in
Owner'sManual,forfurtherinformation.
Brake systems inspection-Forconvenience
thefollowingshouldbedonewhenwheelsareremoved
forrotation:Inspectlinesandhosesforproperhookup,
binding,leaks,cracks,chafing,etc.Inspectdiscbrake
padsforwearandrotorsforsurfacecondition.Also
inspectdrumbrakeliningsforwearand cracks. Inspect
otherbrakeparts,includingdrums,wheelcylinders,
parkingbrake,etc.atthesametime.Checkparking
brakeadjustment.