engine JEEP WRANGLER 2008 JK / 3.G Owners Manual

Jacking............................. 366
Jump Starting ......................... 371
Tow Hooks .......................... 374
Emission Control System Maintenance ......380,428
Engine ................................ 75
Air Cleaner .......................... 389
Block Heater ......................... 275
Break-In Recommendations ................ 75
Compartment ......................... 378
Compartment Identification ............... 378
Exhaust Gas Caution .................. 75,339
Fails to Start .......................... 273
Flooded, Starting ...................... 273
Fuel Requirements .................. 336,424
Jump Starting ......................... 371
Oil .............................. 383,424
Oil Disposal .......................... 385
Oil Filter ............................ 385
Oil Selection .......................... 424 Operation
............................ 75
Overheating .......................... 365
Starting ............................. 271
Temperature Gauge ..................... 209
Engine Oil Viscosity ...................... 384
Engine Oil Viscosity Chart ................. 384
Enhanced Accident Response Feature .......... 59
Entry System, Illuminated .................. 19
Event Data Recorder ...................... 60
Exhaust Gas Caution ................... 75,339
Exhaust System ......................... 393
Extender, Seat Belt ........................ 50
Exterior Finish Care ...................... 407
Fabric Care ......................... 409,411
Fabric Top ............................. 411
Filters Air Cleaner .......................... 389
Engine Fuel .......................... 388
450 INDEX

Engine Oil........................... 385
Finish Care ............................ 407
Flashers Hazard Warning ....................... 364
Turn Signal ..................... 207,421,422
Flooded Engine Starting ................... 273
Fluid Capacities ......................... 424
Fluid Level Checks ...................... 405
Automatic Transmission ................. 401
Engine Oil ........................... 383
Manual Transmission ................... 404
Power Steering ........................ 391
Fluids, Lubricants and Genuine Parts .......... 425
Fog Light Service ........................ 422
Fog Lights ........................... 99,422
Fold and Tumble Rear Seat .................. 89
Folding Rear Seat ........................ 92
Folding Windshield ...................... 191
Four Wheel Drive ....................... 285 Shifting
............................. 287
Four Wheel Drive Operation ................ 285
Four-Way Hazard Flasher .................. 364
Front Axle (Differential) ................... 405
Fuel ................................. 336
Filler Cap (Gas Cap) .................... 340
Filter ............................... 388
Gasoline ............................ 336
Gauge .............................. 206
Materials Added ....................... 338
Octane Rating ........................ 336
Requirements ......................... 424
Tank Capacity ........................ 424
Fuel System Caution ................... 338,341
Fuses ................................ 413
Gas Cap (Fuel Filler Cap) ...............340,380
Gasoline (Fuel) ......................... 336
Gasoline, Reformulated ................... 336
INDEX 451
10

Gasoline/Oxygenate Blends................ 337
Gauges Coolant Temperature .................... 209
Fuel ................................ 206
Odometer ............................ 211
Speedometer ......................... 206
Tachometer .......................... 209
Gear Ranges ........................ 276,281
General Information .................... 17,335
Glass Cleaning .......................... 410
Gross Axle Weight Rating ...............342,345
Gross Vehicle Weight Rating .............342,345
GVWR ............................... 342
Hands-Free Phone (UConnect™) ........85,250,251
Hard Drive (HDD) ....................... 250
HardTop ............................. 125
Hard Top, Modular ...................... 125
Hard Top Removal ....................... 129 Hazard Warning Flasher
................... 364
Head Restraints .......................... 89
Head Rests ............................. 89
Headlights Bulb Replacement ...................... 420
Dimmer Switch ........................ 98
Replacing ............................ 420
Switch ............................... 97
Heater ............................... 259
Heater, Engine Block ..................... 275
High Beam Indicator ..................... 207
Hitches Trailer Towing ........................ 348
Holder, Cup ........................... 117
Hood Release ........................... 94
Hoses ............................. 399,400
Hydraulic Clutch Fluid .................... 403
Ignition ............................... 12
452 INDEX

Back-Up............................. 422
Brake Assist Warning ................. 1 15,214
Brake Warning ........................ 207
Bulb Replacement ...................... 420
Cargo ............................... 95
Center Mounted Stop ................... 423
Check Engine (Malfunction Indicator) ........ 213
Cruise .............................. 209
Daytime Running ....................... 99
Dimmer Switch, Headlight ................ 98
Electronic Stability Program (ESP)
Indicator ....................... 1 15,213,214
Electronic Throttle Control Warning ......... 214
Engine Temperature Warning .............. 209
Fog .............................. 99,422
Hazard Warning Flasher ................. 364
Headlight Switch ....................... 97
Headlights ........................... 420
High Beam ........................... 207 High Beam Indicator
.................... 207
Instrument Cluster ...................... 97
Interior .............................. 95
Lights On Reminder ..................... 98
Low Fuel ............................ 206
LowTire ............................ 210
Oil Pressure .......................... 207
Passing .............................. 99
Rear Servicing ........................ 422
Rear Tail ............................ 422
Seat Belt Reminder ..................... 207
Sentry Key ........................... 209
Service .............................. 420
Side Marker .......................... 422
Tire Pressure Monitoring (TPMS) ........... 210
Traction Control ....................... 213
Turn Signal ................... 99,207,421,422
Warning (Instrument Cluster Description) ..... 206
Loading Vehicle ......................... 342
454 INDEX

Tires ............................... 317
Locking Axle ........................ 290,291
Locks Door .............................. 31,32
Power Door ........................... 33
Steering Wheel ......................... 14
Lower Anchors and Tether for CHildren
(LATCH) ............................ 68,69
Lubrication, Body ....................... 392
Maintenance Free Battery .................. 389
Maintenance Procedures ................... 383
Maintenance Schedule .................... 428
Malfunction Indicator Light (Check Engine) . . 213,380
Manual, Service ......................... 441
Manual Transmission .................. 275,403
Fluid Level Check ...................... 404
Lubricant Selection ..................... 403
Shift Speeds .......................... 276 Master Cylinder (Brakes)
.................. 400
Mini-Trip Computer ...................... 215
Mirrors ................................ 83
Outside .............................. 84
Rearview ............................. 83
Modifications/Alterations, Vehicle ............. 8
Modular Hard Top ....................... 125
Monitor, Tire Pressure System ............... 330
Mopar Parts ......................... 382,440
MP3 Player ............................ 250
Multi-Function Control Lever ................ 97
Navigation Radio ........................ 250
Navigation System ....................... 250
New Vehicle Break-In Period ................ 75
Occupant Restraints ....................... 40
Octane Rating, Gasoline (Fuel) .............. 336
Odometer ............................. 211
INDEX 455
10

Trip .............................210,211
Off-Pavement Driving (Off-Road) ............ 294
Off-Road Driving (Off-Pavement) ............ 294
Oil Change Indicator ..................... 212
Oil Change Indicator, Reset ................. 212
Oil, Engine ............................ 383
Capacity ............................ 424
Dipstick ............................. 383
Filter ............................... 385
Identification Logo ..................... 384
Materials Added to ..................... 385
Pressure Warning Light .................. 207
Recommendation ................... 384,424
Viscosity .......................... 384,424
Oil Pressure Light ....................... 207
Onboard Diagnostic System ..............379,380
Outside Rearview Mirrors .................. 84
Overheating, Engine ...................... 365
Owner’s Manual (Operator Manual) .......... 441Paint Care
............................. 406
Paint Damage .......................... 406
Panic Alarm ............................ 21
Parking Brake .......................... 308
Passing Light ........................... 99
PCV Valve ............................ 388
Pets .................................. 74
Phone, Cellular .................... 85,250,251
Phone, Hands-Free (UConnect™) ........85,250,251
Placard, Tire and Loading Information ......... 318
Polishing and Waxing ..................... 407
Port Universal Serial Bus (USB) ................ 250
USB ................................ 250
Power Distribution Center (Fuses) ............... 413
Door Locks ........................... 33
Steering .......................... 31 1,391
Windows ............................. 36
456 INDEX

Sentry Key Programming................... 16
Sentry Key Replacement ................... 16
Service Assistance ....................... 437
Service Contract ......................... 439
Service Manuals ........................ 441
Setting the Clock .................. 224,236,251
Shift Lock Manual Override ................ 280
Shifting ............................... 279
Automatic Transmission ................. 281
Manual Transmission ................... 275
Shoulder Belt Upper Anchorage .............. 47
Shoulder Belts ........................... 41
Side Airbag ............................. 57
Signals, Turn ................... 99,207,421,422
Snow Chains (Tire Chains) ................. 329
Soft Top ........................... 141,168
Sound Systems (Radio) .................... 250
Spare Tire ............................. 367
Spark Plugs ............................ 386 Specifications
Fuel (Gasoline) ........................ 336
Oil ................................ 384
Speed Control (Cruise Control) .............. 102
Speedometer ........................... 206
Starting ............................... 271
Automatic Transmission ................. 271
Cold Weather ......................... 272
Engine Block Heater .................... 275
Engine Fails to Start .................... 273
Manual Transmission ................... 271
Remote .............................. 25
Steering Power ........................... 31 1,391
Tilt Column .......................... 101
Wheel Lock ........................... 14
Wheel, Tilt ........................... 101
Storage ............................ 1 18,419
Storage, Behind the Seat ................... 119
INDEX 459
10

Storage, Vehicle...................... 266,419
Storing Your Vehicle ...................... 419
Sunrider ........................... 161,164
Supplemental Restraint System - Airbag ........ 51
Sway Bar Disconnect, Electronic ............. 292
Swing Gate, Rear ......................... 38
System, Navigation ...................... 250
System, Remote Starting .................... 25
Tachometer ............................ 209
Temperature Gauge, Engine Coolant .......... 209
Tether Anchor, Child Restraint ............... 68
Theft System Arming ...................... 18
Theft System Disarming .................... 18
Tilt Steering Column ..................... 101
Tip Start .............................. 272
Tire and Loading Information Placard ......317,318
Tire Identification Number (TIN) ............. 316
Tire Markings .......................... 313 Tire Safety Information
.................... 313
Tires .............................. 321,442
Air Pressure .......................... 322
Alignment and Balance .................. 328
Chains .............................. 329
Changing ............................ 366
General Information .................... 321
High Speed .......................... 324
Inflation Pressures ..................... 322
Jacking ........................... 366,369
Load Capacity ..................... 317,318
Pressure Monitor System (TPMS) ........... 330
Pressure Warning Light .................. 210
Quality Grading ....................... 442
Radial .............................. 325
Replacement ......................... 327
Rotation ............................. 329
Safety .............................. 313
Sizes ............................... 314
460 INDEX

Trip Computer.......................... 215
Trip Odometer .......................... 211
Trip Odometer Reset Button ................ 210
Turn Signals .................... 99,207,421,422
UConnect™ (Hands-Free Phone) ...........85,250
Uniform Tire Quality Grades ................ 442
Universal Serial Bus (USB) Port .............. 250
Upholstery Care ........................ 409
USB Port .............................. 250
Vacuum/Vapor Harnesses ................. 399
Vehicle Certification Label ................. 342
Vehicle Identification Number (VIN) ............ 8
Vehicle Loading ...................... 318,342
Vehicle Modifications/Alterations .............. 8
Vehicle Storage ....................... 266,419
Viscosity, Engine Oil ...................... 384 Warning Flasher, Hazard
.................. 364
Warning Lights
(Instrument Cluster Description) ............. 206
Warning, Roll Over ........................ 5
Warnings and Cautions ..................... 8
Warranty Information ..................... 440
Washer, Adding Fluid ..................... 198
Washers, Windshield ..................... 393
Waxing and Polishing ..................... 407
Wheel Alignment and Balance ............... 328
Wheel and Wheel Trim .................... 409
Wheel and Wheel Trim Care ................ 409
Wheel Mounting ........................ 370
Wind Buffeting .......................... 38
Window Fogging ........................ 265
Windows .............................. 36
Power ............................... 36
Windshield, Folding ...................... 191
462 INDEX

INTRODUCTION INTRODUCTION ROLLOVER WARNING HOW TO USE THIS MANUAL WARNINGS AND CAUTIONS VEHICLE IDENTIFICATION NUMBER VEHICLE MODIFICATIONS/ALTERATIONS THINGS TO KNOW BEFORE STARTING YOUR VEHICLE A WORD
ABOUT YOUR KEYS Ignition Key RemovalKey-In-Ignition ReminderSTEERING WHEEL LOCK To Manually Lock the Steering WheelTo Release the Steering Wheel LockSENTRY KEY Replacement KeysCustomer Key ProgrammingGeneral InformationSECURITY ALARM
SYSTEM - IF EQUIPPED To Set the AlarmTo Disarm the SystemILLUMINATED ENTRY REMOTE KEYLESS ENTRY - IF EQUIPPED To Unlock the Doors and Swing GateTo Lock the Doors and Swing GateUsing The Panic AlarmTo Turn Off Flash Lights With Lock
Programming Additional TransmittersGeneral InformationBattery ReplacementREMOTE STARTING SYSTEM - IF EQUIPPED DOORS Upper Half Door Window Removal (If Equipped)Upper Half Door Window Installation (If Equipped)Front Door RemovalRear Door Removal
(Four-Door Models)DOOR LOCKS Manual Door LocksPower Door Locks - If EquippedAutomatic Unlock Doors On ExitAutomatic Door LocksWINDOWS Power Windows - If EquippedRear Power Windows (Four-Door Models Only)Wind BuffetingREAR SWING GATE
OCCUPANT RESTRAINTS Lap/Shoulder BeltsRear Center Lap/Shoulder Belt Retractor Lock-Out (Four-Door Models Only)Adjustable Upper Shoulder Belt AnchorageSeat Belt PretensionersEnhanced Seat Belt Use Reminder System (BeltAlert)Seat Belts And Pregnant
WomenSeat Belt ExtenderDriver And Front Passenger Supplemental Restraint Systems (SRS) Child RestraintENGINE BREAK-IN RECOMMENDATIONS SAFETY TIPS Exhaust GasSafety Checks You Should Make Inside The VehicleSafety Checks You Should Make
Outside The VehicleUNDERSTANDING THE FEATURES OF YOUR VEHICLE MIRRORS Inside Day/Night MirrorOutside MirrorsHANDS-FREE COMMUNICATION (UConnect) SEATS Front Seat AdjustmentManual Seat Height Adjustment - If EquippedFront Seatback
ReclineFront Easy Entry Seats (Two-Door Models)Head RestraintsFold And Tumble Rear Seat (Two-Door Models)Removing the Rear Seat (Two-Door Models)Replacing the Rear Seat (Two-Door Models)60/40 Split Folding Rear Seat (Four-Door Models)To Raise the Rear
SeatTO OPEN AND CLOSE THE HOOD LIGHTS Interior LightsMultifunction Control LeverParking Lights, Instrument Panel Lights, and HeadlightsLights-On ReminderHeadlight Dimmer SwitchPassing LightFront Fog Lights - If EquippedTurn SignalsDaytime Running Lights
- If EquippedWINDSHIELD WIPERS AND WASHERS Intermittent Wiper SystemWindshield Wiper OperationWindshield WashersMist FeatureTILT STEERING COLUMN ELECTRONIC SPEED CONTROL - IF EQUIPPED To ActivateTo Set At A Desired SpeedTo Deactivate
To Resume SpeedTo Vary The Speed SettingManual TransmissionTo Accelerate For PassingELECTRONIC BRAKE CONTROL SYSTEM ABS (Anti-Lock Brake System)TCS (Traction Control System)BAS (Brake Assist System)ERM (Electronic Roll Mitigation)ESP (Electronic
Stability Program)ESP/BAS Warning LightELECTRICAL POWER OUTLET Electrical Outlet Use With Engine OffCUPHOLDERS Front CupholdersRear CupholdersSTORAGE Console Storage CompartmentRear Storage CompartmentDUAL TOP - IF EQUIPPED Removing
The Soft TopInstalling the Soft TopFREEDOM TOP THREE-PIECE MODULAR HARD TOP Front Panel(s) RemovalFront Panel(s) InstallationFront Panel(s) Installation Only (With Rear Hard Top Removed)Rear Hard Top RemovalRear Hard Top InstallationDOOR FRAME
Door Frame Removal (Two-Door Models)Door Frame Installation (Two-Door Models)Door Frame Removal (Four-Door Models)Door Frame Installation (Four-Door Models)SOFT TOP (TWO-DOOR MODELS) Folding Down The Soft Top Putting Up The Soft Top SUNRIDER
(TWO-DOOR MODELS) - IF EQUIPPED SUNRIDER (FOUR-DOOR MODELS) - IF EQUIPPED SOFT TOP (FOUR-DOOR MODELS) Folding Down The Soft Top Putting Up The Soft Top FOLDING WINDSHIELD Lowering The Windshield And Removing Side BarsRaising
The Windshield And Replacing Side BarsREAR WINDOW FEATURES - HARD TOP ONLY Rear Window Wiper/Washer - If EquippedRear Window Defroster - If EquippedUNDERSTANDING YOUR INSTRUMENT PANEL INSTRUMENT PANEL AND CONTROLS
INSTRUMENT CLUSTER INSTRUMENT CLUSTER DESCRIPTION COMPASS AND TRIP COMPUTER - IF EQUIPPED Control ButtonsTrip ConditionsCompass Temperature DisplayRADIO GENERAL INFORMATION Radio Broadcast SignalsTwo Types of SignalsElectrical
DisturbancesAM ReceptionFM ReceptionSALES CODE RES - AM/FM STEREO RADIO WITH CD PLAYER (MP3 AUX JACK) Operating Instructions - Radio ModeOperation Instructions - CD MODE for CD and MP3 Audio PlayNotes On Playing MP3 FilesLIST Button (CD
Mode for MP3 Play)INFO Button (CD Mode for MP3 Play)SALES CODE REQ - AM/FM STEREO RADIO AND 6-DISC CD/DVD CHANGER (MP3/WMA AUX JACK) Operating Instructions - Radio ModeOperation Instructions - (DISC MODE for CD and MP3/WMA Audio
Play, DVD-VIDEO)Notes On Playing MP3/WMA FilesLIST Button (DISC Mode for MP3/WMA Play)INFO Button (DISC Mode for MP3/WMA Play)SALES CODE RER - MULTIMEDIA SYSTEM - IF EQUIPPED Operating Instructions - Satellite RadioOperating Instructions -
Hands-Free Communication (UConnect) (If Equipped)Clock Setting ProcedureSATELLITE RADIO - IF EQUIPPED (REN/REQ/RER/RES RADIOS ONLY) System Act ivationElectronic Serial Number/Sirius Identification Number (ESN/SID)Selecting Satellite ModeSatellite
AntennaReception QualityOperating Instructions - Satellite ModeOperating Instructions - Hands-Free Phone (If Equipped)Operating Instruction s - Video Entertainment System (VES) (If Equipped)CD/DVD DISC MAINTENANCE RADIO OPERATION AND CELLULAR
PHONES CLIMATE CONTROLS Manual Heater OnlyManual Air Conditioning and Heating System - If EquippedAir ConditioningOperating TipsSTARTING AND OPERATING STARTING PROCEDURES Manual TransmissionAutomatic TransmissionNormal StartingExtreme
Cold Weather (below -20 degrees F or -29 degrees C)If Engine Fails to StartAfter StartingENGINE BLOCK HEATER - IF EQUIPPED MANUAL TRANSMISSION ShiftingDownshiftingReverse ShiftingAUTOMATIC TRANSMISSION Shift Lock Manual Override
Brake/Transmission Interlock SystemAutomatic Transmission with OverdriveFOUR-WHEEL DRIVE OPERATION (COMMAND-TRAC OR ROCK-TRAC) - IF EQUIPPED Operating Instructions/PrecautionsShift PositionsShifting ProcedureTRAC-LOK REAR AXLE - IF
EQUIPPED AXLE LOCK (TRU-LOK) - RUBICON MODELS REAR AXLE LOCK - 4WD NON-RUBICON MODELS (IF EQUIPPED) ELECTRONIC SWAY BAR DISCONNECT - IF EQUIPPED ON-ROAD DRIVING TIPS OFF-ROAD DRIVING TIPS Side Step Removal - If
EquippedThe Basics of Off-Road DrivingWhen To Use 4L (Low) RangeSimultaneous Brake And Throttle OperationDriving In Snow, Mud and SandCrossing Obstacles (Rocks And Other High Points)Hill ClimbingDriving Through WaterAfter Driving Off-RoadPARKING BRAKE
ANTI-LOCK BRAKE SYSTEM POWER STEERING TIRE SAFETY INFORMATION Tire Markings Tire Identification Number (TIN)Tire Loading and Tire PressureTIRES - GENERAL INFORMATION Tire PressureTire Inflation Pressures Tire Pressures for High-Speed Operation
Radial-Ply TiresTire SpinningTread Wear IndicatorsLife of TireReplacement TiresAlignment and BalanceTIRE CHAINS TIRE ROTATION RECOMMENDATIONS TIRE PRESSURE MONITOR SYSTEM (TPMS) Base SystemGeneral InformationFUEL REQUIREMENTS
Reformulated GasolineGasoline/Oxygenate BlendsMMT In GasolineMaterials Added To FuelFuel System CautionsCarbon Monoxide WarningsADDING FUEL Fuel Filler Cap (Gas Cap)VEHICLE LOADING Certification LabelTRAILER TOWING Common Towing Definitions
Trailer Hitch ClassificationTrailer Towing Weights (Maximum Trailer Weight Ratings)Trailer and Trailer Tongue WeightTowing RequirementsTowing TipsRECREATIONAL TOWING (BEHIND MOTORHOME, ETC.) Towing - 2WD ModelsTowing - 4WD ModelsWHAT TO DO
IN EMERGENCIES HAZARD WARNING FLASHERS IF YOUR ENGINE OVERHEATS JACKING AND TIRE CHANGING Jack LocationSpare Tire StowagePreparations For JackingJacking Instructions JUMP STARTING EMERGENCY TOW HOOKS - IF EQUIPPED TOWING
A DISABLED VEHICLE MAINTAINING YOUR VEHICLE ENGINE COMPARTMENT - 3.8L ONBOARD DIAGNOSTIC SYSTEM - OBD II Loose Fuel Filler Cap MessageEMISSIONS INSPECTION AND MAINTENANCE PROGRAMS REPLACEMENT PARTS AUTHORIZED
DEALER SERVICE MAINTENANCE PROCEDURES Engine OilDrive Belts - Check Condition and TensionSpark PlugsCatalytic ConverterCrankcase Emission Control SystemFuel FilterEngine Air Cleaner FilterMaintenance-Free BatteryAir Conditioner MaintenancePower
Steering Fluid CheckDriveline And Steering Component LubricationBody LubricationWindshield Wiper BladesWindshield And Rear Window WashersExhaust SystemCooling SystemHoses and Vacuum/Vapor HarnessesBrake SystemAutomatic TransmissionHydraulic Clutch
Fluid - Manual TransmissionManual TransmissionTransfer CaseFront/Rear Axle FluidMaintenance After Off-Road DrivingAppearance Care And Protection From CorrosionFUSES (TOTALLY INTEGRATED POWER MODULE) VEHICLE STORAGE REPLACEMENT BULBS
- IF EQUIPPED BULB REPLACEMENT Head LightFront Park/Turn SignalFront Side MarkerFront Fog LightRear Tail, Stop, Turn Signal, and Backup LightsCenter High-Mounted Stop Light (CHMSL)FLUID CAPACITIES FLUIDS, LUBRICANTS AND GENUINE PARTS Engine
ChassisMAINTENANCE SCHEDULES EMISSIONS CONTROL SYSTEM MAINTENANCE MAINTENANCE SCHEDULE Required Maintenance IntervalsIF YOU NEED CONSUMER ASSISTANCE SUGGESTIONS FOR OBTAINING SERVICE FOR YOUR VEHICLE Prepare
For The AppointmentPrepare A ListBe Reasonable With RequestsIF YOU NEED ASSISTANCE DaimlerChrysler Motors Corporation Customer CenterDaimlerChrysler Canada Inc. Customer CenterIn Mexico contactCustomer Assistance For The Hearing Or Speech Impaired
(TDD/TTY)Service ContractWARRANTY INFORMATION (U.S. Vehicles Only) MOPAR PARTS REPORTING SAFETY DEFECTS In The 50 United States And Washington, D.CIn CanadaPUBLICATION ORDER FORMS DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES TreadwearTraction GradesTemperature GradesINDEX