Jeep 1979 CJ-5 Operating manual

1979
SERVICE
MANUAL

1979
JEEPTECHNICAL
SERVICEMANUAL Maintenance
|
CHAPTERS
1AGENERALSERVICE AND DIAGNOSIS
1BENGINES
1CCOOLINGSYSTEMS
1DBATTERIES
1ECHARGINGSYSTEM
1FSTARTINGSYSTEM
1GIGNITIONSYSTEM
1HCRUISECOMMAND
1JFUELSYSTEMS
1KEXHAUSTSYSTEMS "
1LPOWERPLANTINSTRUMENTATION
2E 2J
2K2L
CHAPTERS
2ACLUTCH
2BMANUALTRANSMISSION
2CAUTOMATICTRANSMISSION
2DTRANSFERCASE
2EPROPELLERSHAFT
2FAXLES
2GBRAKES
- 2H WHEELSANDTIRES
2JSTEERINGCOLUMNS
2KMANUALSTEERINGGEAR -
2LPOWERSTEERINGGEARANDPUMP
2MSTEERINGLINKAGE
2NSUSPENSION
3N 3C
3J 3A 3B 3D
CHAPTERS
3AWATERLEAK/WINDNOISE
DIAGNOSISANDREPAIR
3BMETALREPAIRANDPAINTING
3CINSTRUMENTPANELS
ANDCOMPONENTS
3DHEATER
3E AIR CONDITIONING
3FBODYANDFRAMECOMPONENTS
3GHOODS
3HLIFTGATES—TAILGATES
3JDOORS
3KREAR"QUARTER
3LLUGGAGERACKS
3MSEATASSEMBLIES
3NWINDSHIELD-REARWINDOW
3PHEADLINING - HARDTOPENCLOSURE -
EXTERIORDECALSANDOVERLAYS
3RLIGHTINGSYSTEMS
3SHORNSYSTEMS
3TWINDSHIELDWIPERS
3UTAILGATEWINDOWDEFOGGER
3VRADIOSOUNDSYSTEMS
JeepCorporation
ServiceDepartment
Copyright©1978JeepCorporation
AllRightsReservedLitho in U.S.A.
AlphabeticalIndex
VacuumLineRoutingDiagrams
WiringDiagrams
Navigation Tools: Click on the "Section" below, or use the Bookmarks to the left.

mm mmm
pip Page
1979ModelJeepVehicles
A-3
PowerTrainCombinations—1979CJModels A-12
ConversionofEnglishandMetricMeasures
A-10
PowerTrainCombinations—
DecimalEquivalents
A-14
1979 CherokN-Wagoneer-TncKModels
A-12
GeneralDimensions
A-13
StandardTorqueSpecificationsaniCapscrewMarkings
A-2
HowToUseThisManual
A-1
Towing
A-8
KeysandLocks
A-7
VehicleIdentification A-6
MetricSystem—SI
A-11
HOWTOUSETHISMANUAL
Orgaiizatiei
Thismanualisdividedintothreemajorsections:Sec-
tion 1—Power Plant,Section2—Chassis,andSection
3—Body.Thesesectionsarecomprisedofchaptersper-
tainingtothesectiontopic.TheSectionIndexatthefront
ofthismanualhasa locatortabforeachsection.
Thefirstpageofeachchapterinthismanualcontains
ablacktabina positioncorrespondingtothetabonthe
ChapterIndexpageforeachsection.Tolocatea desired
chapter,simplyfoldbackthemanualslightlysothatthe
outsideedgesofthepagesareexposed.Findtheblack
tabthatalignswiththetabontheChapterIndexpage
andopentothedesiredchapter.
Eachchapterbeginswithanalphabeticalindexof
subjects.Locatethedesiredsubjectandturntothe
appropriatepage.Ifthesubjectisbroad,thechapteris
dividedintosectionsanda subjectindexofeachsection
isalsoincluded.Analphabeticalindexofallsubjectsis
locatedatthebackofthismanual.
Eachchapterendswithspecifications,torquecharts
andspecialtoolspertinenttothatchapter.
WarningsanlGamins
Detaileddescriptionsofstandardworkshopsafety
proceduresarenotincludedinthismanual.Thismanual
doescontainWARNINGSforsomeserviceprocedures
thatcouldcausepersonalinjury,andCAUTIONSfor
someproceduresthatcoulddamagethevehicleorits
components.PleaseunderstandthattheseWARNINGS
andCAUTIONSdonotcoverallconceivablewayswhich
servicemightbedoneorallpossiblehazardouscon-
sequencesofeachconceivableway.Anyoneusingserv-
iceproceduresortools(whetherornotrecommendedby
JeepCorporation)mustsatisfyhimselfthatneitherper-
sonalnorvehiclesafetywillbejeopardizedbythepro-
ceduresortoolsselected.
DiagnosisAndRepairSimplification(DAIS)Charts
Inseveralplacesthroughoutthismanual,JeepCorpo-
ration'snewDiagnosisandRepairSimplification
(DARS)chartsprovidea graphicmethodofdiagnosis
andtroubleshootingthroughtheuseofpicturesand
symbols.
TheDARSchartsaredifferentfromtheonesyou
haveusedbefore.Theyarenot"go-no go" decisiontrees
ortables.
Condition PossibleCause Correction
80371A
Instead,thenewDARScharts use picturesplusa few
wordstohelpyousolvea problem.. .
STEPSEQUENCERESULT
O
CAUTION
DONOTTOU
ANYOTHER
<$><
OTHER
IGNITION
SYSTEMWIRES CHECKFOR
FUELSYSTEMOR
MECHANICAL
ENGINEPROBlEM
80371B

A-2GENERALINFORMATION
andsymbols and wordshelpguide you througheach
step. ..
CHECK CONNECT
DISCONNECT
REPAI R OR
REPLACE
80371C
Asequencecould be checkingpressure inall tires and
inflating to specifiedpressures. If the problem is solved,
thesymbol @) willsend youto@ . Ifthe prob-
lem isnot solved, the symbol @) willsend you
throughanothersequence of checkswhichendswith a
result and tells youthe nextstep togoto.
Workthrougheach_step ofthe DARSchartsuntil the
system is repaired
Thecharts are dividedintothreesections:step, se-
quence and result.Alwaysstart atthe firststep andgo
through the completesequencefromleft to right.
CONNECTVOLTMETER
TOCOILPOSITIVE
TERMINAL AND
TOGROUND
TURNIGNITION ON
CONNECTJUMPER
BETWEEN
COILNEGATIVE
TERMINAL
ANDGROUND
VOLTAGEABOVEUNCOUPLE AND
8VOLTSCOUPLECONNECTORS
ATCONTROLUNIT
ANDDISTRIBUTOR
VOLTAGE
BETWEEN
4.9AND 7.9 VOLTS
OiQ
VOLTAGEDISCONNECTRADIO
BELOWINTERFERENCECONDENSER
4.8VOLTS
'8-0
VOLTAGE
BETWEEN
4.9AND7.9"'
VOLTS REPLACE
VOLTAGECONDENSER
BELOW
4.8VOLTS
©
o
©
o
ServiceOlaposisCharts
YouwillalsofindServiceDiagnosisChartsthrough-
outthismanual.Thesechartslistcauses of specific
problems in descendingorder of probability. It is more
likelythat a problemwouldresultfrom the firstlisted
"possiblecause"than the fourth, for instance.
Visualinspectionoftenleadsdirectly tothe correct
solution. All serviceproceduresshouldbeginwith a
carefulvisualinspection ofany suspectedpart
assembly. or
80371D
Torque Information
Individualtorquechartsappear attheendof each
chapter.Torquevalues are expressed two ways,Set-To
andIn-UseRecheck. The Set-Tovalue is usedwhen
assemblingcomponents. The In-UseRecheckvalue is
used to checkpre-tighteneditems.
Refer tothe StandardTorqueSpecifications andCap-
screwMarkingsChart in thischapter for torques not
listed in individualtorquecharts.Notethattorquespec-
ificationsgiven inthe chart are based onuseof clean
and dry threads.Reducetorque by10 percentwhen
threads are lubricatedwithengine oilandby20 percent
ifnew,platedcapscrews are used.
StandardTorqueSpecifications and CapscrewMarkingsChart
SAE GRADE 1 or2 SAE GRADE 5
SAE GRADE 6 or7
SAE GRADE 8
(Used Infrequently) (Used Frequently) (Used at Times) (Used Frequently)
CAPSCREW
BODY SIZE
Torque Torque Torque Torque
inches — Thread
Ft-Lb
Nm Ft-Lb
Nm
Ft-Lb
Nm
Ft-Lb
Nm
1/4-20
5
6.7791
8
10.8465
10
13.5582
12
16.2698
-28 6
8.1349
10
13.5582
14 18.9815
5/16-18
11
14.9140
17
23 0489 19
25.7605
24
32.5396
-24 13
17.6256
19
25.7605
27
36 6071
3/8-16
18 24.4047
31
42.0304
34
46.0978
44
59.6560
-24 20 27.1164 35
47.4536
49 66.4351
7/16-14
28
37.9629
49 66.4351
55
74.5700
70
94.9073
-20 30
40.6745
55
74.5700
78 105.7538
1/2-13
39
52.8769 75
101.6863
85
115.2445
105
142.3609
-20 41
55.5885 85 115.2445 120
162.6960
9/16-12
51
69.1467
110
149.1380
120
162.6960
155
210.1490
-18 55 74.5700 120
162.6960
170 230.4860
5/8-11
83
112.5329
150
203.3700
167 226.4186
210 284.7180
-18 95
128.8027
170
230.4860
240 325.3920
3/4-10
105
142.3609
270
366.0660 280
379.6240
375
508.4250
-16 115 155.9170 295
399.9610
420
569.4360
7/8- 9
160
216.9280
395
535.5410
440
596.5520
605
820.2590
-14 175
237.2650
435
589.7730
675 915.1650
1- 8 235
318.6130
590
799.9220
660
894.8280
910
1233.7780
-14 250
338.9500
660
894.8280
990
1342.2420
CAPSCREWHEAD MARKINGS
Manufacturer's marks may vary.
Three-line markings on heads
shown below, for example, indi-
cate SAE Grade 5.
SAE 1 or2 SAE
5
SAE 6 or7 SAE
8
70090

r-y • -: ~^mm • —Tare""~—:i^rz^zr^iZL '^aasr-
Ton-leadFasteners
Varioussizes of internal and externalhex-lobular
(Torx)headfasteners are used as attachinghardware on
numerouscomponents and assemblies in 1979Jeep ve-
hicles. Duetothe ever-changingusage and application
ofautomotivefasteners,Torx-headfasteners maynotbe
identified as suchthroughoutthismanual.However,
thesefasteners maybe removed or installedusingTool
Set J-25359-02.
Service manualliprof eients
You are encouraged to report any errors,omissions, or
recommendations for improvingthispublication. A
formprovided for thispurpose is included attheendof
thischapter.
197SMODELJEEPVEHICLES
GENERALINFORMATION A-3
w '•mm^^^^^^^mm^^^
Fly.A-1 CJ-i Modal
OJModels
Two CJ models are available for1979:the 83.5-inch
wheelbaseCJ-5,model 83,andthe 93.5-inchwheelbase
CJ-7, model93. See figures A-land A-2.Beyond the10-
inchdifference in wheelbase, CJ-5andCJ-7 differpri-
marily in availableoptions. CJ-7 models are available
with an automatictransmission,Quadra-Tracfull-time
4-wheeldrive, anda moldedhardtop.Theseoptions are
notavailable on CJ-5models.
TheRenegadePackagecontinues tobe offered onCJ
models for 1979. It features new 9-inch by 15-inchtires
mounted on 8-inch wide,styled-steelwheelsalongwith
uniqueexterior and interiortrim.
TheGoldenEagletrimpackagecontinues tobe avail-
able on1979CJ models. The packageincludesunique
exteriorpaint and decals,9-inch by 15-inchtires
mounted on 8-inch wide,slotted-steelwheels,rear
mountedsparetire,roll bar,and deluxeinteriorwith a
clock and tachometer.
Refer tothe PowerTrainCombinationsChart in this
section for engine and transmissionavailability.
Fig. A-2CJ-7 Modal
CherokeeModels
For1979,threeCherokeemodels are offered: the base
2-doormodel 16,the WideTrackmodel 17,andthe4-
doormodel18. See figuresA-3,A-4, and A-5.

A-4GENERALINFORMATION
%A-3CherokeeModel16
Fig.A-4CherokeeModel17
Fig.A-5CherokeeModel18
WagoiieerModel
For1979,oneWagoneermodelisoffered:themodel
15. The4-doorWagoneerstationwagonfeaturesdeluxe
interiortrimandcarpeting,chromebumpers,power
steering,andautomatictransmissionwithQuadra-Trac
full-time4-wheeldriveasstandard.SeefigureA-6.A
luxurytrimpackage,theLimited,isoffered.Itfeatures
aleatherandcorduroyinterior,uniqueexteriorwood-
grainwithvinylsurroundmouldings,andforgedalumi-
numwheels.
RefertothePowgrTrainCombinationsChartinthis
sectionforengineavailability.
Truck Models
ThreeTruckmodelsareavailableintwoseries:theJ-
10Seriesmodel25andmodel45andtheJ-20Series
model46.SeefiguresA-7andA-8.
The2-doormodel16isa dualpurposevehicleinthe
sports/utilityclassfeaturinganall-steeltop,frontdisc
brakesandfold-unrearseatasstandard.
TheWideTrackmodel17featuressteelwheelopening
extensionstoaccommodate10-inchby15-inchtires
mountedon 8-inch wide,styled-steelwheels.
The4-doormodel18featurestheconvenienceofrear
doorsina stationwagon-typevehicle.Themodel18has
thesamegrilleandtaillampsasotherCherokeemodels.
Twotrimpackagesareofferedfor1979Cherokee
models.The'S'packageisavailableonallCherokee
models.TheChiefpackageisavailableonthemodel17.
Bothtrimpackagesfeaturedeluxeinteriortrimand
carpeting,chromebumpers,anduniqueexteriortrim.
RefertothePowerTrainCombinationsChartinthis
sectionforengineandtransmissionavailability.

GENERALINFORMATIONA-5
FigA-6WagoneerModel15
TheJ-10differsfromtheJ-20SeriesinGrossVehicle
Weight(GVW)Ratings.For1979,theJ-10SeriesGVW
formodels25and45hasbeenincreasedto6200while
theJ-20model46GVWremainsat6800withoptional
GVWratingsof7600and8400.
Truckmodelsarealsoidentifiedbywheelbase.The
model25hasa 119-inchwheelbase;themodel45and
model46havea 131-inchwheelbase.Thefollowingchart
outlinesTruckdifferencesbywheelbaseandGVW
rating.
TruckModelIdentification
Series Model
Number Wheelbase
(Inches)
GrossVehicleWeightRating
Series Model
Number Wheelbase
(Inches) Standard Option1 Option2
J-10 25 119 6200 - -
J-10 45 131 6200 - -
J-20 46 131 6800 7600 8400
60532
FourtrimpackagesareavailableonTruckmodels:
Custom,Honcho,10-4,andGoldenEagle.TheCustom
packageisavailableonallTrucksandfeaturesdeluxe
interiorandexteriortrim.TheHonchopackageisonly
availableonmodel25andfeaturesdeniminterior,
uniqueexteriortrim,and10-inchby15-inchtires
mountedon 8-inch wide,styled-steelwheels.The10-4
packagefeaturesuniqueexteriordecals.
TheGoldenEagletrimpackageisavailableon1979J-
10Truckmodels.Thepackageincludesuniqueexterior
paintanddecals,10-inchby15-inchtiresmountedon8-
inchwide,slotted-steelwheels,tubularsteelgrille
guard,rearstepbumper,off-roaddrivinglampsand
deluxeinterior.
RefertothePowerTrainCombinationsChartinthis
sectionforengineandtransmissionavailability.
F5g. A-7J-10TruckModel25
Fig. A-8J-20TruckModel46

A-6GENERALINFORMATION
VEHICLEIDENTIFICATION
VehicleIdentificationPlate
Ametalvehicleidentificationplateisaffixedtothe
left-handsideofthedashpanelunderthehood(fig.A-
9). TheplateshowstheSalesOrderNumber;theVehicle
IdentificationNumber(VIN);SpecialSalesRequest&
Order(SSR&O)Number;PaintOptionNumber;Trim
OptionNumber;andtheJeepModelNumber.
VehicleIdentificationNumber(VIN)
AllVehicleIdentificationNumberscontain13charac-
tersina combinationoflettersandnumbersthatpro-
videspecificinformationaboutthevehicle.VIN'sforall
Jeepvehiclescanbedecodedusingthefollowingchart.
SpecialSalesRequestandOrder(SSR&O)Number
CertainJeepvehiclesarebuilttospecialorderwith
otherthanstandardpartsorequipment.Toassistthe
O
JEEPCORP.
TOLEDO, OHUSA
Sales OrderN
SSR & 0 No
•
Paint
Trim
Option No.
Option No.
Vehicle Identification
(VIN) Number
Jeep
Model No.
o
60534
* Disregard —forfactoryuseonly
Fig. A-9VehicleidentificationPlate
dealerinorderingcorrectreplacementparts,anSSR&O
numberisassignedanda permanentrecordofthedevia-
tionismaintainedbythefactory.TheSSR&Onumberis
embossedontheVehicleIdentificationPlateasshownin
figureA-9.
PartsorderingprocedureforSSR&Opartsisdetailed
intheJeepPartsCatalog.
VINDecodingChart
Transmission
Jeep
A - Auto
F— 3-Speed
M— 4-Speed
Model WB(in)
15—Wagoneer—4-DoorStationWagon 109
16—Cherokee—2-DoorStationWagon 109
17—Cherokee—WideTrack2-DoorStationWagon 109
18—Cherokee—4-DoorStationWagon 109
25-Truck-J-IO 119
45-Truck-J-IO 131
46-Truck-J-20 131
83-CJ-5 83
93-CJ-7 93
GrossVehicleWeightRating
GVW/Model
A 375083,93
E415083,
N-620015
P-6800 46
S-7600 46
Y-8400 46
93HD
16, 17,18,25,45
PlantofManufacture
andSerialNo.
000.001- 699,999
ToledoBuilt
700.001- 999,999
tampionBuilt
000001
Engine
C 258CID,Six,2-V
H 304CID,V-8,2V
N--360CID,V-8,2-V

GENERALINFORMATIONA-7
PaintOptionNumber
ThePaintOptionNumberisembossedontheVehicle
IdentificationPlateinthelocationshowninfigureA-9.
Paintisnotavailablefromthefactory.Allcolors
shownbelowareavailablefromDitzlerorDuPontpaint
jobbersbyrequestingthepaintintermixformula.All
colorsareavailablefromSherwin-Williamsinfactory
packagecans.OptionNo.999indicatesspecialpaint.To
obtaininformationonspecialpaint,contactyourJeep
PartsDistributionCenterandprovidetheVehicleIden-
tificationNumber(VIN).
PaintOptionNumbers
PaintOptionNumber Color
P1 ClassicBlack
6P FirecrackerRed
9A AlpacaBrownMetallic
9B OlympicWhite
9C RussetMetallic
9E WedgewoodBlue
9H CumberlandGreenMetallic
9J ArrowheadSilverMetallic
9K SableBrownMetallic
9L SaxonYellow
9N MoroccoBuff
9P BordeauxMetallic
9T EnsignBlue
9W MandarinOrange
80379
TrimOptionNumber
TheTrimOptionNumberisembossedontheVehicle
IdentificationPlateasshowninfigureA-9.Consultyour
JeepPartsCatalogfortrimorderingprocedure.Special
trimisindicatedbytrimoptionnumber999.Toobtain
informationonspecialtrim,contactyourJeepParts
DistributionCenterandprovidetheVehicleIdenti-
ficationNumber(VIN).
SafetyCertificationSticker
Asafetystickerisplacedonallvehiclestoshowthat
theymeetfederalmotorvehiclesafetycertification
standards(fig.A-10).ItliststheVIN,monthandyear
built,GrossVehicleWeightRating(GVWR),andGross
AxleWeightRating (GAWR).
ThestickerisplacedontheinstrumentpanelonCJ-5
andCJ-7models.OnCherokee-Wagoneer-Truckmodels,
itisonthedoorlockpillaronthedriver'sside.
DATE
GVWR:
-RAIN.TIRE SIZE
GAWR.FRT.MIN.TIRESIZE
MGAWR.RR.MIN.TIRESIZE
MAX.COLDTIREPRESS.FRT.RR.
RIMSIZE
1VEHICLENUMBER
ITYPE
Fig, SafetySticker 80384
KEYS AND LOOKS
Twosquare-headedandtwooval-headedkeysarepro-
vided,asapplicable,witheachvehicle.Thesquare-
headed(codeD)keyoperatestheignitionswitch,front
doorlocks,andandCherokee-Wagoneertailgates.The
oval-headed(codeE)keyoperatesthegloveboxlock.
Eachkeyhasa codenumberstampedontheknock-out
plug.Intheeventa keyislost,a newkeycanbemadeby
convertingthekeycodenumbertoa keybittingnumber.
Keybittingnumberscanbeobtainedfroma keycutting
machinemanufacturer'scross-referencelistorbycon-
tactingyourZoneoffice.
Ifa keyislostandthekeycodenumberisun-
known,thecorrectnumbercanbeidentifiedbythe
Zoneofficefromthevehicleidentificationnumber.
Iftheignitionkeyislostandthekeycodenumberis
notavailable,a newkeycanbemadebyremovinga
doorlockandtakingittoa locksmith.Thelocksmithcan
determinethekeybittingbyinsertinga blankkeyinto
thelockcylinderandcuttingtheblanktomatchthe
tumblers.
Iftheignitionswitchlockisdefectiveandthekeyis
available,thecylinderandindividualtumblerscanbe
orderedandmatchedtotheexistingkey.Todetermine
thetumblerarrangement,placethekeyoverthetem-
plate(fig.A-ll).Startingfromtheleft,readacrossthe
horizontallinesandrecordfirstdigit(number1 posi-
tion)ofthekeycode.Continuethisprocessforsub-
sequentnumbers2 through5.
NOTE: The template shown in figure A-ll may be used
to determine the key bitting code of a key for which the
key code number is unknown.
POSITIONS
12345
fP —^
i— ^ 123 4 5
KEYCODES
41049
Fig. A-11KeyCodingTemplate

A-8GENERALINFORMATION
TOWING. • • ••
General
Aconventionaltowingslingisrecommendedforuse
onallJeepvehiclesbecauseofitsstabilityandreduced
likelihoodofdamage.Thefollowinginstructionsapply
onlytothisdevice.Whenusingotherthansling-type
towingequipment,besuretofollowthemanufacturer's
instructions.
Asafetychainsystemthatiscompletelyindependent
oftheliftingandtowingattachmentmustbeused.Be
carefulwheninstallingsafetychainssothattheydonot
damagethevehicle.
If additionalgroundclearanceisrequired,a towing
dollymaybeused.Theendofthevehicletobeplacedon
thedollyshouldbeliftedwiththesameequipmentas
whentowing.
WARNING:Never tow a Jeep vehicle with the Emer-
gency Drive control activated or reduction unit in low
range (automatic transmission only).
SafetyPrecautions
•Wheneverpossible,towthevehiclefromtherearto
preventdamagetothetransmissionorrearaxle.
•Securelooseorprotrudingpartsofa damaged
vehicle.
•Theendofthevehiclebeingtowedshouldbelifteda
minimumoffourinchesofftheground.Checkoppo-
siteendforadequategroundclearance.
FrontTowing—FrontEndRaised
Donotexceeda towingspeedof30mphanddonot
exceeda towingdistanceof15miles.If thislimitisnot
possible,disconnecttherearpropellershaftorplacea
dollyundertherearwheels.
Ifthevehicleisequippedwitha manualtransmission,
shifttransmissionandtransfercaseintoneutral.
Ifthevehicleisequippedwithanautomatictransmis-
sion,indexanddisconnectrearpropellershaft.
WARNING:Never tow a Jeep vehicle with Emergency
Drive control activated or reduction unit in low range
(automatic transmission only).
•Alwaysusea safetychainsystemthatisindepend-
entoftheliftingandtowingattachment.
•Donotallowanyofthetowingequipmenttobearon
thefueltank.
•Donotgounderthevehiclewhileitisliftedbythe
towingequipment.
•Donotallowpassengerstorideina towedvehicle.
•Alwaysobserveallstateandlocallawsregarding
suchitemsaswarningsignals,nightillumination,
speed,etc.
RearTowing—RearEndRaised
Donotexceeda towingspeedof30mphanddonot
exceeda towingdistanceof15miles.Ifthislimitisnot
possible,disconnectthefrontpropellershaftorplacea
dollyunderthefrontwheels.
Ifignitionkeyisavailable,turnignitiontoOff
positiontounlocksteeringcolumn.Clampthesteering
wheelinthestraight-aheadposition.Donotusethe
steeringcolumnlockasa substitutefora clamping
device.
Iftheignitionkeyisnotavailable,placefrontwheels
ona dolly.
Ifvehicleisequippedwithselectivedrivehubs,set
themintheLOCKposition.
Ifvehicleisequippedwitha manualtransmission,
shifttransmissionandtransfercaseintoNeutral.
If vehicleisequippedwithanautomatictransmission,
indexanddisconnectfrontpropeller shall.
•Donotattempta towingoperationwhichcould
jeopardizetheoperator,anybystandersorother
motorists.
WARNING:Never tow a Jeep vehicle with the Emer-
gency Drive control activated or reduction unit in low
range (automatic transmission only).
CJModels
Front(RefertoFigureA-12)
AttachJ-hooksoveraxleoutboardofsprings.
PlacetowbarnnHprspringshackles.
Attachsafetychainsaroundspringshackles.

:—~~ ~—-mm8®m$±m*r -mmtemwrnZ:
Fig.1-12 Frail Towing—CJModels
Rear(RefertoFigureA-13)
AttachJ-hooksaroundaxleoutboardofsprings.
PlacetowbarunderBumperplate.
Attachsafetychainsaroundspringshackles.
CAUTION:To prevent damage to driveline members
shift the transmission and transfer case into the correct
position as outlined in the general towing instructions.
Fig.A-13Rear Towing—CJ Models
CherokeeandWagoneer
Front(RefertoFigureA-14)
AttachJ-hooksaroundaxleoutboardofshock
absorbers.
Placetowbarunderspringshackles.
Attachsafetychainsaroundspringshackles.
GENERALINFORMATION
Fig.A-14 Front Towing—CherokeeandWagoneerModels
Rear(Referto Figure A-15)
AttachJ-hooksaroundaxleoutboardofshockab-
sorberbrackets.
Placetowbarunderbumper.
Attachsafetychainsaroundframerails.
CAUTION:To prevent damage to driveline members,
shift the transmission and transfer case into the correct
position as outlined in the general touring instructions.
Fig. A-15lurTowing—CherokeeandWagoneerModels
CAUTION:To prevent damage to driveline members,
shift the transmission and transfer case into the correct
position as outlined in the general towing instructions.

A-10GENERALINFORMATION
TruckMollis
FrontJiifertoFI|ire
AttachJ-hooksaroundaxleoutboardofshock
absorbers.
Placetowbarunderspringshackles.
Attachsafetychainsaroundspringshackles.
CAUTION:To prevent damage to driveline members,
shift the transmission and transfer case into the correct
position as outlined in the general towing instructions.
Fig. A-15 Front Towing—Trick Mollis
Bear(RefertoFiguraA-16)
AttachJ-hooksaroundaxleoutboardofshock
absorbers.
Placetowbarunderframecrossrail.
Attachsafetychainsaroundspringshackles.
CAUTION:To prevent damage to driveline members,
shift the transmission and transfer case into the correct
position as outlined in the general towing instructions.
80370
Fig. A-17RearTowing—Trued Bto&Is
CONVERSIONOFENGLISHANDMETRICMEASURES
CubicCentimeterstoInches:Tochangecubiccen-
timeterstocubicinches,multiplycubiccentimetersby
0.061(ccx 0.061equalscubicinch).
CubicInchestoCentimeters:Tochangecubicinches
tocubiccentimeters,multiplycubicinchesby16.39(cu-
bicinchx 16.39equalscc).
LiterstoCubicInches:Tochangeliterstocubic
inches,multiplylitersby61.02(literx 61.02equalscubic
inches).
CubicInchestoLiters:Tochangecubicinchesto
liters, multiplycubicinchesby0.01639(cubicinchesx
0.01639equalsliters).
CubicCentimeterstoLiters:Tochangecentimeters
toliters,divideby1000(simplymovethedecimalpoint
threefigurestotheleft).
LiterstoCubicCentimeters:Tochangeliterstocu-
biccentimeters,movethedecimalpointthreefiguresto
theright.
MilestoKilometers:Tochangemilestokilometers,
multiplymilesby1.609(milesx 1.609equals
kilometers).
KilometerstoMiles:Tochangekilometrestomiles,
multiplykilometersby0.6214(kilometersx 0.6214
equalsmiles).
PoundstoKilograms:1 poundequals0.4536kg.
KilogramstoPounds:1 kgequals2.2046pounds.

iEIEitlINFORMATION A-11
MetricSystem-Si
TheInternationalSystem of Units(SystemeInternational d'Unites) officiallyabbreviated
"SI" in alllanguages - themodernmetricsystem
QUANTITY EXAMPLES
OF
METRICUNIT SYMBOL QUANTITY EXAMPLES
OF
METRICUNIT SYMBOL
QUANTITY APPLICATIONS METRICUNIT SYMBOL QUANTITY APPLICATIONS
Length Dimensions meter m CelsiusTemperature General
use
degreeCelsius °C
Tirerolling
circumference Thermodynamic General
use
*kelvin k
Turningcircle/ Temperature
radius
Brakingdistance ElectricCurrent General
use
ampere A
milliampere mA
Greaterthan 999
microampere uA
meter kilometer km
Dimensions millimeter mm PotentialDifference General
use
kilovolt kV
Depth of surface (Electromotive volt V
finish micrometer urn Force) millivolt mV
microvolt uV
Area Glass
& Fabrics
square centimeter
cm2
Brake & Clutch ElectricResistance General use megohm Mn
linings kilohm kn
Radiatorarea etc.
ohm ii
Smallareas
square millimeter
mm2 ElectricCapacitance General
use
farad F
microfarad
Volume Car LuggageCapa-picofarad pF
city
cubic meter
m3
EngineCapacity liter 1 FuelConsumption Vehicleperformance
liter per100 kilometer
1/100km
Vehiclefluid
capacity cubiccentimeter
cm3
OilConsumption Vehicleperformance liter
per1000 kilometer
1/1000 km
VolumeFlow Gas & Liquid liter
per second l/s Stiffness Linearstiffness
kilonewton meter
kN/m
TimeInterval Measurement of
second s TireRevolutions TireData revolution
per kilometer rev/km
elapsedtime minute min
hour h Pressure Tire kilopascal kPa
day d Coolant
Lubricating oil
Velocity General use
meter per second m/s Fuelpumpdelivery
Roadspeed kilometer
per hour km/h Enginecompression
Manifold
Acceleration &
General use meter per second
m/s2 Brakeline(hydraulic)
Deceleration squared Carheating
&
ventilation
Frequency Electronics hertz Hz Barometricpressure
kilohertz kHz
megahertz mHz LuminousIntensity Bulbs candela cd
Rotational General use revolution per minute rpm Accumulator Battery amperehour A-h
Speed revolution
per second rps StorageRating
Mass Vehiclemass megagram t
1analInaH rsit Inn
L.cij<ii lUdufdiifiy
General use
kilogram kg
U.S.A./METRIC COMPARISON
Smallmasses gram g QUANTITY USA METRIC
- SYMBOL
milligram mgmilligram mg Length Inch-Foot-Mile Meter m
Density General use
kilogram per cubicmeter
kg/m3
Weight(mass) Ounce-Pound Kilogram Kg
gram per cubic Area Squareinch/Foot SquareMeter m2
centimeter g/cm3 Volume-Dry Cubicinch/Foot CubicMeter m3
kilogram per liter kg/I -Liquid Ounce-Pint-Quart-Gallon Liter I
Velocity Feet
Per Second Meter
per Second m/s
Force Pedaleffort newton N RoadSpeed Miles
Per Hour Kilometer
per Hour km/h
Clutchspringforce Force Pound-Force Newton N
Handbrakelever Torque Foot-Pounds Newtonmeter N-m
effortetc. Power Horsepower Kilowatt kW
Pressure Pounds
Per SquareInch Kilopascal kPa
Moment of Force Torque newtonmeter N-m Temperature DegreesFahrenheit DegreesKelvin K
(Torque) andCelsius °C
Power,Heat General use
watt W
FlowRate Bulbs kilowatt kW
Alternatoroutput
Engineperformance
Starterperformance
70091

A-12 GENERALINFORMATION
Power Train Combinations-—1979 CJ Models
Series GVWR Engine
Transmission Transfer
Case Clutch AxleRatio Trac-Lok AxleModel Brakes(Inches) Standard
Wheels
Series GVWR Engine 3T-150 4T-18 A 20
QT.
(Inches) 3.07 (2) Front Rear Front Rear Standard
Wheels
CJ-5
Model83
83.5-Inch
Wheelbase
SoftTop
3750
6-258-2V
(3) S O NA
s NA 10.5 0(2) s Q Dana
30
AMC/
11.7
Inch 11x2 15x6
5Bolt
CJ-5
Model83
83.5-Inch
Wheelbase HardTop
4150
(1) 304-2V S O NA
NA 10.5 0(2) Open
End Jeep Disc
Std.
Drum 5.50B.C.
CJ-7
Model93
93.4-Inch
Wheelbase
SoftTop
6-258-2V
S NA S 10.5
CJ-7
Model93
93.4-Inch
Wheelbase
3750
6-258-2V
0(3) s Dana
30
AMC/
11.7
Inch 11x2 15x6
5Bolt
CJ-7
Model93
93.4-Inch
Wheelbase HardTop
4150 304.2V S O s 10.5 O s O Open
End Jeep Disc
Std.
Drum 5.50B.C.
(1) 304.2V 0 s
Notes: Abbreviations:
(1)4150GVWOptionalwithSpecificSuspension(2)NotavailablewithQ.T.B.C.- BoltCircle
components-MandatoryGVWwithfullenclosures.(3)NAwithAltitudePackageGVWR- GrossVehicleWeightRating
O-OptionalEquipment
QT- Quadra-Trac
S- StandardEquipment
60538
Power Train Combinations—1979 Cherokee-Wagoneer-Truck Models
Series Engine Transmission TransferCase Clutch
(Inches)
AxleRatio(2) Trac-Lok
(3)
O
AxleModel Brakes Standard
Wheels
Series Engine 3(T15A) 4(T18) A 20 QT Clutch
(Inches) 3.07 3.54 3.73 4.09 4.88 Trac-Lok (3)
O
Front Rear Front Rear Standard
Wheels
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4)
S S 11.0 O S
3.73 4.09 4.88 Trac-Lok
(3)
O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4) 0 S O S
3.73 4.09 4.88 Trac-Lok
(3)
O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4) O S 11.0
O S O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR 360-2V
S(1) S(1) 11.0(1) O S O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR 360-2V 0(1) S(1) 11.0(1) O S O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Cherokee
Models16,17
&18
108.7- Inch
Wheelbase
6200GVWR 360-2V 0 S
11.0(1) O S O
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
Wagoneer
Model15
109- Inch
Wheelbase
6200GVWR
360-2V S S O Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4)
s S 11.0 O S 0 Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4) 0 S 11.0 O S 0 Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR
6-258-2V
(1)(4) 0 S
11.0 O S 0 Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR 360-2V
S(1) S(1) 11.0(1) O S 0
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR 360-2V 0(1) S(1) 11.0(1) O S 0
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 10Truck
Model25
119- Inch
Wheelbase
Model45
131- Inch
Wheelbase
6200GVWR 360-2V 0 S
11.0(1) O S 0
Dana
Open
End Dana
44
12-
Inch
Disc 11x2
Drum
15x6
6Bolt
5.50B.C.
J- 20Truck
Model46
130.7- Inch
Wheelbase
6800GVWR
7600Opt.
8400Opt.
360-2V
S(1) S(1) 11.0(1)
O S 0 Dana
Open
End Dana
60
12.5
Inch
Disc
12x
2.50
Drum
16.5
x
6.75
8Bolt
6.50B.C.
J- 20Truck
Model46
130.7- Inch
Wheelbase
6800GVWR
7600Opt.
8400Opt.
360-2V 0(1) S(1) O S 0 Dana
Open
End Dana
60
12.5
Inch
Disc
12x
2.50
Drum
16.5
x
6.75
8Bolt
6.50B.C.
J- 20Truck
Model46
130.7- Inch
Wheelbase
6800GVWR
7600Opt.
8400Opt.
360-2V
0 S
O S 0 Dana
Open
End Dana
60
12.5
Inch
Disc
12x
2.50
Drum
16.5
x
6.75
8Bolt
6.50B.C.
Notes:
(1)NACalifornia
(2)4.88RatioAvailableTrac-LokOnly
(3)NAwithQT
(4)LowrangeNAwithQT
Abbreviations:
B.C.- BoltCircle
GVWR- GrossVehicleWeightRating
NA- NotAvailable
O- OptionalEquipment
S- StandardEquipment
60539

General Dimensions— Inches(mm)
Wagoneer
Models
Truck Models j
CJ Models Cherokee Models
Wagoneer
Models
J-10 Series
J-20 Series
CJ-5 CJ-7
Model 16
2-Dr.
Model 17
2Dr.
Model 18
4-Dr.
Model 15
Model 25
Model 45
Model 46
Wheelbase 83.5(212.0) 93.5(237.5)
108.7(276.1) 108.7(276.1) 108.7(276.1) 108.7(276.1) 118.7(301.5) 130.7(332.0) 130.7(332.0)
Overall Length
138.4(402.3) 147.9(375.7) 183.5(466.1) 183.5(466.1) 183.5(466.1) 183.5(466.1) 192.5(489.0) 204.5(519.4) 204.5(519.4)
Overhang
Front
Rear 23.5(59.7) 31.4(79.8) 23.5(59.7)
30.9(78.5) 29.9(75.9) 44.9(114.0) 29.9(75.9) 44.9(114.0) 29.9(75.9)
44.9(114.0) 29.9(75.9)
44.9(114.0) 29.9(75.9)
43.9(111.5) 29.9(75.9)
43.9(111.5) 29.9(75.9)
43.9(111.5)
Overall Width
68.6(174.2) 68.6(174.2) 75.6(192.0) 78.9(200.4) 75.6(192.0) 75.6(192.0) 78.9(200.4) 78.9(200.4) 78.9(200.4)
Overall Height
Open Body
Soft Top
Hard Top
67.6(171.7)
71.4(181.4)
71.3(181.1)
67.6(171.7)
71.3(181.1)
70.5(179.1)
66.9(169.9) 67.6(171.7) 66.9(169.9) 66.7(169.4) 69.3(176.0)
69.1 (175.5)
70.7(179.6)
Step Height
Front
Rear 27.0(68.6) 26.1(66.3) 19.9(50.5) 20.7(52.6) 19.9(50.5)
20.8(52.8;
19.9(50.5)
20.8(52.8) 20.7(52.6) 20.7(52.6) 22.1(56.1)
Front Tread
51.5(130.8) 51.5(130.8) 59.2(150.4) 65.4(166.1) 59.2(150.4) 59.4(150.9) 63.3(160.8) 63.3(160.8) 64.6(164.1)
Rear Tread 50.0(127.0) 50.0(127.0) 57.8(146.8) 62.3(158.2) 57.8(146.8) 57.8(146.8) 63.8(162.1) 63.8(162 1)
65.9(167.4)
MinimumGround Clearance
6.9(17.5)
6.9(17.5; 7.7(19.6) 8.6(21.8)
7.7(19.6)
7 7(19.6) 7.7(19.6) 7.7(19.6) 8.1 (20.6)
Min.Turning Diameter-feet(m) 34.1 (10.4)
38.0(1 1.6)
37.7(11.5) 39.4(12.0) 37.7(11.5) 37.7(11.5) 40.6(12.4) 44.5(13.6) 44.5(13.6)
Effective Leg Room
Front (Accelerator)
Rear (Minimum)
37.9(96.3)
30.5(77.5) 39.1(99.3) 35.0(88.9) 41.9(106.4)
37.0(94.0) 41.9(106.4) 37.0(94.0) 41.9(106.4)
37.0(94.0) 41.3(104.9)
37.0(94.0) 41.3(104.9) 41.3(104.9) 41.3(104.9)
Hip Room
Front
Rear 55.4(140.7)
36.0(91.4) 53.8(136.7) 36.0(91.4) 60.5(153.7)
60.9(154.7) 60.5(153.7)
60.9(154.7) 60.5(153.7)
60.9(154.7) 60.5(153.7) 60.9(154.7) 60.5(153.7) 60.5(153.7) 60.5(153.7)
Shoulder Room
Front
Rear 55.4(140.7)
55.4(140.7) 53.8(136.7)
56.3(143.0) 58.3(148.1)
58.3(148.1) 58.3(148.1)
58.3(148.1) 58.3(148.1)
58.3(148.1) 58.3(148.1)
58.3(148.1) 58.3(148.1) 58.3(148.1) 58.3(148.1)
Effective Head Room
Front
Soft Top
Hard Top
Rear Hard Top
39.8(101.1)
40.8(103.6)
40.9(103.9)
40.6(103.1)
39.9(101.3)
39.6(100.6)
38.0(96.5)
37.2(94.5)
38.0(96.5)
37.2(94.5)
38.0(96.5)
37.2(94.5)
38.0(96.5)
37.2(94.5)
40.2(102.1) 40.2(102.1) 40.2(102.1)
j
Z
Cargo Floor Height 25.2(64.0) 25.1(63.8) 24.9(63.2) 25.6(65.0) 24.9(63.2) 24.7(62.7) 26.8(68.0) 26.4(67.0) 28.2(71.6)
Cargo Capacity-cubic feet (I)
10.2(288.8)* 13.6(385.1)*
95.1(2692.9)* 95.1(2692.9)* 95.1(2692.9)*
95.1(2692.9)* 68.0(1925.5) 77.7(2200.2) 77.7(2200.2)
Cargo Space
Overall Length
Length at Floor
Width at Wheelhouse
Width at Floor
Width of Tailgate Opening
Height of Sides and Tailgate
40.2(102.1)
36.0(91.4)
36.0(91.4)
35.8(90.9)
46.8(118.9)
36.0(91.4)
36.0(91.4)
34.5(87.6)
81.6(207.3)
44.3(112.5)
60.9(154.7)
54.9(139.4)
81.6(207.3)
44.3(112.5)
60.9(154.7)
54.9(139.4)
81.6(207.3)
44.3(112.5)
60.9(154.7)
54.9(139.4)
81.6(207.3)
44.3(112.5)
60.9(154.7)
54.9(139.4)
86.5(219.7)
84.3(214.1)
50.0(127.0)
68.0(172.7)
57.2(145.3)
20.5(52.1)
98.5(250.2)
96.3(244.6)
50.0(127.0)
68.0(172.7)
57.2(145.3)
20.5(52.1)
98.5(250.2)
96.3(244.6)
50.0(127.0)
68.0(172.7)
57.2(145.3)
20.5(52.1)
80363
*With rear seat removed.

A-14 GENERALINWWXi
DecimalEquivalents
Milli-
Drill
Milli- Drill Milli-
Drill
Milli-
Drill
Milli-
meter Decimal Fraction Size meter Decimal Fraction Size meter Decimal Fraction Size meter Decimal Fraction Size meter Decimal Fraction
.1
.0039
1.75 .0689
.1570 22
6.8
.2677
10.72 .4219
27/64
.15
.0059 .0700
50
4.0
.1575
6.9
.2716 11.0
.4330
.2
.0079
1.8
.0709
.1590 21 .2720
1 11.11
.4375 7/16
.25
.0098
1.85 .0728
.1610 20 7.0
.2756
11.5
.4528
.3 .0118
.0730
49 4.1 .1614
.2770
J 11.51 .4531
29/64
.0135 80 1.9
.0748
4.2 .1654 7.1 .2795
11.91
.4687
15/32
.35 .0138
.0760
48 .1660 19 .2811 K 12.0
.4724
.0145 79 1.95
.0767
4.25 .1673 7.14 .2812 9/32 12.30
.4843
31/64
.39 .0156 1/64 1.98 .0781 5/64
4.3
.1693 7.2
.2835
12.5 .4921
.4 .0157
.0785
47 .1695 18 7.25
.2854
12.7
.5000
1/2
.0160 78 2.0
.0787
4.37 .1719 11/64 7.3 .2874
13.0 .5118
.45 .0177 2.05
.0807
.1730 17
.2900
L 13.10 .5156
33/64
.0180 77 .0810 46 4.4 .1732 7.4 .2913 13.49 .5312 17/32
.5 .0197 .0820
45 .1770 16
.2950
M 13.5 .5315
.0200
76 2.1
.0827 4.5
.1771 7.5 .2953
13.89
.5469 35/64
.0210 75 2.15
.0846
.1800 15 7.54
.2968
19/64 14.0 .5512
.55 .0217
.0860
44
4.6 .1811 7.6
.2992
14.29
.5625 9/16
.0225
74 2.2
.0866
.1820 14
.3020
N 14.5 .5709
.6
.0236
2.25
.0885
4.7 .1850 13 7.7 .3031 14.68 .5781
37/64
.0240
73
.0890
43.
4.75
.1870 7.75 .3051 15.0 .5906
.0250
72 2.3
.0905
4.76 .1875 3/16 7.8 .3071 15.08
.5937
19/32
.65
.0256
2.35
.0925
4.8
.1890 12 7.9 .3110 15.48 .6094 39/64
.0260
71
.0935
42 .1910
11
7.94 .3125 5/16 15.5 .6102
.0280
70 2.38
.0937
3/32
4.9
.1929 8.0 .3150 15.88 .6250
5/8
.7
.0276
2.4
.0945
.1935 10 .3160 0 16.0
.6299
.0292
69
.0960
41 .1960 9 8.1 .3189 16.27
.6406
41/64
.75
.0295
2.45
.0964
5.0 .1968 8.2 .3228
16.5
.6496
.0310 68
.0980
40 .1990 8
.3230
P 16.67
.6562
21/32
.79 .0312 1/32 2.5
.0984
5.1
.2008
8.25
.3248
17.0
.6693
.8 .0315
.0995
39 .2010 7 8.3
.3268 17.06 .6719
43/64
.0320
67 .1015 38 5.16 .2031 13/64 8.33 .3281 21/64 17.46
.6875 11/16
.0330
66
2.6 .1024
.2040
6 8.4
.3307
17.5 .6890
.85
.0335
.1040 37 5.2
.2047 .3320
Q 17.86 .7031
45/64
.0350
65 2.7 .1063
.2055 5 8.5
.3346
18.0
.7087
.9
.0354
.1065 36 5.25
.2067 8.6
.3386
18.26 .7187
23/32
.0360
64 2.75 .1082 5.3
.2086 .3390
R 18.5
.7283
.0370
63 2.78 .1094 7/64
.2090 4 8.7
.3425
18.65
.7344 47/64
.95
.0374
.1100 35 5.4 .2126 8.73
.3437
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62 2.8 .1102 .2130 3 8.75
.3445
19.05 .7500
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61 .1110 34 5.5 .2165 8.8
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19.45
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.0400
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.2205
8.9
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25/32
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20.0
.7874
1.05 .0413 3.0 .1181 5.7
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T
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7/8
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63/64
1
80280

EEADEEfSCOMMENTS
1979JeepTechnicalServiceManual
JeepCorporationneedsuserfeedback—yourcriticalevaluationofthisManual.Your
commentsandsuggestionswillhelpusinourcontinuousefforttoimprovethequality
andusefulnessofourservicemanual.
Whatisyourgeneralreactiontothismanual?Inyourjudgmentisitcomplete,
accurate,wellorganized,wellwritten?Isiteasytouse?.—
Whatfeaturesaremostuseful? _
Whatfaultsdoyoufindwiththemanual? _
Doesthismanualsatisfyyourneeds?Why?
Wouldyoupleaseindicateanyerrorsyouhavefound.
NameYearandModel.
StreetOccupation.
CityStateZiporCountry.
AllcommentsbecomethepropertyoftheJeep@Corporation.70093

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—Postagewillbepaidby—
JEEPCORPORATION
14250PLYMOUTHRD.
DETROIT,MICHIGAN48232
ATTENTION:SERVICEDEPARTMENT

B-1
PipPage
1979JeepMaintenanceScheduleB-2GeneralB-1
DescriptionofServices—ChassisComponentsB-8UnscheduledMaintenanceB-15
DescriptionofServices—EngineComponentsB-5
beneml
Thissectiondescribestheserviceproceduresrequired
tokeepJeepvehiclesingoodrunningcondition.These
servicesarebasedonchangesindrivingconditions,ac-
cumulatedodometermileageortimeintervals(which-
evercomesfirst),orareunscheduledasrequiredby
changesinusage,handlingorperformance.Thesection
isdividedintothreeparts:(1)MaintenanceSchedule,
(2)DescriptionofServicesaccordingtocomponents
(listedalphabetically),(3)UnscheduledMaintenance.
Malnteiaite Sclelile
Twomaintenanceschedulesarelisted:oneforEn-
gineMaintenance;oneforChassisMaintenance(includ-
ingbody).Eachscheduleisfollowedbydetailed
footnotes.
Theserviceslistedarethosewhichexperienceand
testinghaveindicatedaremostlikelyneededatthetime
ordistanceintervalsshown.
Performthemaintenanceservicesasindicatedinthe
EngineMaintenanceScheduleandtheChassisMain-
tenanceSchedule.Thesymboltellsyouwhatserviceis
requiredfollowedbythetimeand/ordistanceinterval
(mileage)atwhichtheserviceshouldbeperformed,
underbothnormalandheavy-dutyoperation.For
example:
0—< 5 mo/5,000mi(8000km)
PI3 mo/3,000mi(4800 km)
tellsyouthattheparticularcomponentindicatedshould
bereplacedevery5 monthsor5,000miles(8000km),
whichevercomesfirst,undernormaluse,andevery3
monthsor3,000miles(4800 km),whichevercomesfirst,
underheavy-dutyoperation.(RefertoLegendofSym-
bolsfordefinitionsofthevarioussymbols.)Thenum-
bersappearingtotheleftofeachcomponentcorrespond
withthoseontheEngineandChassisIllustrations.
FuelRequirements
Mil Models
Allenginesrequiretheuseofunleadedfueltoreduce
exhaustemissions,andtoprotectthecatalyticcon-
verters.Usea fuelwithanantiknockindex(AKI)ofat
least87.A loweroctaneAKIisacceptableatelevations
above1500feet(450meters).
Owner'sResponsibility
Itistheowner'sresponsibilitytodeterminedriving
conditions(normalorheavy-dutyoperation),tohavethe
vehicleservicedaccordingtotheMaintenanceSched-
ule, andtopayforthenecessarypartsandlabor.
CAUTION:Failure to perform maintenance services
at the proper intervals as outlined in the Maintenance
Schedule constitutes negligence and may void provisions
of the new-vehicle warranty.
Heavy-Duty Operation
Heavy-dutyoperationconsistsofoff-roadordusty
conditionsforover30%ofuse,commercialload-carry-
ingordelivery,snowplowing,pullingtrailersweighing
over2,000pounds(900kg)loaded,orextendedengine
idlingduringnormaluse.If thevehicleisusedinheavy-
dutyoperation,performtheservicelistedintheEngine
MaintenanceScheduleandtheChassisMaintenance
Scheduleaccordingtotheintervalsdesignatedbythis
symbol:Q (Ifnoheavy-dutyserviceisindicatedfor
aparticularcomponent,performtheserviceatthenor-
maltimeand/ordistanceintervalnoted.)
CAUTION:Immediately after extended operation in
sand, mud or water, thoroughly clean brakes linings,