fuel JEEP COMMANDER 2008 1.G Service Manual

Special Additives
Automatic Transmission Fluid (ATF) is an engineered
product and its performance may be impaired by supple-
mental additives. Therefore, do not add any fluid addi-
tives to the transmission. The only exception to this
policy is the use of special dyes to aid in detecting fluid
leaks. In addition, avoid using transmission sealers as
they may adversely affect seals.
Maintenance After Off-Road Driving
After extended operation in mud, sand or water, or
similar dirty conditions, have your brake discs, brake
linings, and axle joints inspected and cleaned as soon as
possible. This will prevent any abrasive material from
causing excessive wear or unpredictable braking action.After off-road driving, completely inspect the underbody
of your vehicle. Check tires, body structure, steering,
suspension and exhaust system for damage. Check
threaded fasteners for looseness, particularly on the
chassis, drivetrain components, steering and suspension.
Retighten, if required, to torque values specified in the
Service Manual. Also check for accumulations of vegeta-
tion or brush that could become a fire hazard, or conceal
damage to fuel lines, brake hoses, axle pinion seals, and
propeller shafts.
CAUTION!
Under frequent heavy-duty driving conditions,
change all lubricants and lubricate body compo-
nents, all driveline joints and steering linkage more
often than in normal service to prevent excessive
wear.
414 MAINTAINING YOUR VEHICLE

Cav-
ityCartridge
FuseMini Fuse Description
11 40 Amp
GreenHVAC Blower
12 30 Amp
PinkRear Wiper, Ign R/O
13 40 Amp
GreenRear Window De-
froster (EBL)/Heated
Mirror
14 30 Amp
PinkRear HVAC (If
Equipped)
15 Ð Spare
16 50 Amp
RedASD
17 30 Amp
PinkABS Pump
18 40 Amp
GreenAccessory Delay, SeatsCav-
ityCartridge
FuseMini Fuse Description
19 40 Amp
GreenJB Power
20 Ð Spare
21 20 Amp
YellowFuel Pump
22 20 Amp
YellowTCM, A/C Clutch
23 25 Amp
NaturalPower Inverter
24 20 Amp
YellowRear Heated Seats
25 20 Amp
YellowFinal Drive Control
Module (FDCM)
26 15 Amp
BlueBrake Lamps
MAINTAINING YOUR VEHICLE 423
7

FLUIDS AND CAPACITIES
U.S. Metric
Fuel (Approximate)21 Gallons 79 Liters
Engine Oil with Filter
3.7 Liter Engine (SAE 5W-20, API Certified) 5 Qts 4.7 Liters
4.7 Liter Engine (SAE 5W-20, API Certified) 6 Qts 5.7 Liters
5.7 Liter Engine (SAE 5W-20, API Certified) 7 Qts 6.6 Liters
Cooling System *
3.7 Liter Engine (MopartEngine Coolant/Antifreeze 5 Year/
100,000 Mile Formula)9 Qts 10 Liters
4.7 Liter Engine (MopartEngine Coolant/Antifreeze 5 Year/
100,000 Mile Formula)14.5 Qts 13.7 Liters
5.7 Liter Engine (MopartEngine Coolant/Antifreeze 5 Year/
100,000 Mile Formula)14.5 Qts 13.7 Liters
* Includes heater and coolant recovery bottle filled to MAX level.
MAINTAINING YOUR VEHICLE 435
7

FLUIDS, LUBRICANTS, AND GENUINE PARTS
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant MopartAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology)
Engine Oil (3.7L/4.7L/5.7L En-
gines)Use API Certified SAE 5W-20 Engine Oil, meeting the requirements of
DaimlerChrysler Material Standard MS-6395. Refer to your engine oil filler
cap for correct SAE grade.
Oil Filter (All Engines) MopartOil Filter (P/N 05281090)
Spark Plugs (3.7L Engine) ZFR6F-11G (Gap 0.043º)
Spark Plugs (4.7L Engine) Upper Bank Ð FR8TE2 (Gap 0.040º) Lower Bank Ð FR8T1332 (Gap 0.050º)
Spark Plugs (5.7L Engine) REC14MCC4 (Gap 0.043º)
Fuel Selection (3.7L and 4.7L En-
gines)87 Octane
Fuel Selection (5.7L Engines) 87 Octane Acceptable - 89 Octane Recommended
436 MAINTAINING YOUR VEHICLE

²Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
²Under no circumstances should oil change intervals
exceed 6,000 miles (10,000 km) or 6 months, whichever
comes first.
Your dealer will reset the oil change indicator message
after completing the scheduled oil change. If this sched-
uled oil change is performed by someone other than your
dealer the message can be reset by referring to the steps
described under ªOil Change Requiredº in ªUse Factory
Settingsº of the EVIC section in this manual.
At Each Stop for Fuel
²Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
²Check the windshield washer solvent and add if
required.
Once a Month
²Check tire pressure and look for unusual wear or
damage.
²Inspect the battery and clean and tighten the terminals
as required.
²Check the fluid levels of coolant reservoir, brake
master cylinder, power steering and transmission and
add as needed.
²Check all lights and other electrical items for correct
operation.
MAINTENANCE SCHEDULES 441
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

ABS (Anti-Lock Brake System)............188,302
Adding Fuel........................... 341
Adding Washer Fluid..................... 177
Adjustable Pedals....................... 135
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . 393
Air Conditioner Maintenance............... 397
Air Conditioning........................ 259
Air Conditioning, Operating Tips............ 269
Air Conditioning, Rear Zone................ 267
Air Conditioning Refrigerant............... 398
Air Conditioning System.................. 259
Air Filter.............................. 393
Air Pressure, Tires....................... 316
Airbag................................ 48
Airbag Deployment....................... 55
Airbag Light.......................57,71,188
Airbag Maintenance....................... 57
Alarm, Panic............................ 24
Alarm (Security Alarm).................20,189Alarm System (Security Alarm)............... 20
Alignment and Balance................... 321
Alterations/Modifications, Vehicle............. 9
Antenna, Satellite Radio................... 250
Antifreeze (Engine Coolant)................ 435
Disposal............................ 405
Anti-Lock Brake System (ABS)............139,302
Anti-Lock Warning Light.................. 188
Anti-Theft System.....................20,189
Appearance Care........................ 415
Assist, Hill Start........................ 148
Audio Systems (Radio).................... 239
Auto Down Power Windows................ 32
Automatic Dimming Mirror................. 78
Automatic Door Locks..................... 29
Automatic Headlights.................... 126
Automatic Temperature Control (ATC)......... 260
Automatic Transmission................283,411
Adding Fluid......................... 412
458 INDEX

Fluid and Filter Changes................. 411
Fluid Level Check................... 411,412
Fluid Type........................... 411
Special Additives...................... 414
Torque Converter...................... 288
Autostick............................. 285
Auxiliary Electrical Outlet (Power Outlet)...... 169
Auxiliary Power Outlet................... 169
Battery............................... 395
Emergency Starting..................... 374
Keyless Transmitter Replacement (RKE)....... 25
Saving Feature (Protection)............... 125
Belts, Drive............................ 392
Belts, Seat.............................. 39
Body Mechanism Lubrication............... 399
B-Pillar Location........................ 311
Brake Assist System...................... 141
Brake Control System, Electronic............. 139Brake System........................... 407
Anti-Lock (ABS)....................139,302
Hoses.............................. 408
Master Cylinder....................... 408
Parking............................. 300
Warning Light........................ 187
Brake/Transmission Interlock............... 283
Break-In Recommendations, New Vehicle........ 69
Bulb Replacement.....................427,428
Calibration, Compass..................... 204
Camera, Rear........................... 157
Capacities, Fluid........................ 435
Caps, Filler
Fuel................................ 341
Radiator (Coolant Pressure)............... 404
Car Washes............................ 415
Carbon Monoxide Warning...............70,337
Cargo Area Features...................... 174
INDEX 459
10

Pressure Cap......................... 404
Radiator Cap......................... 404
Selection of Coolant (Antifreeze).........402,435
Courtesy Lights......................... 130
Crankcase Emission Control System.......... 395
Cruise Light........................... 193
Cup Holder............................ 172
Customer Assistance..................... 448
Data Recorder, Event...................... 58
Daytime Running Lights................... 128
Dealer Service.......................... 388
Defroster, Rear Window................... 177
Defroster, Windshield................71,258,265
Diagnostic System, Onboard................ 385
Digital Video Disc (DVD) Player............. 239
Dimmer Switch, Headlight................. 129
Dipsticks
Automatic Transmission................. 412Oil (Engine).......................... 389
Power Steering........................ 398
Disabled Vehicle Towing................... 378
Disposal
Antifreeze (Engine Coolant)............... 405
Engine Oil........................... 391
Used Engine Fluids..................... 391
Door Locks............................. 28
Door Locks, Automatic.................... 29
Door Opener, Garage..................... 159
Drive Belts............................ 392
Driving............................... 296
Off-Pavement......................... 296
Off-Road............................ 296
DVD Player (Video Entertainment System)...... 253
E-85 Fuel............................. 337
Electric Remote Mirrors.................... 80
Electrical Outlet, Auxiliary (Power Outlet)...... 169
INDEX 461
10

Electronic Brake Control System............. 139
Anti-Lock Brake System................. 139
Brake Assist System.................... 141
Electronic Roll Mitigation................ 142
Electronic Stability Program............... 143
Traction Control System................. 140
Electronic Roll Mitigation (ERM)............. 142
Electronic Speed Control (Cruise Control)...... 136
Electronic Stability Program (ESP)............ 143
Electronic Throttle Control Warning Light...... 194
Electronic Vehicle Information Center
(EVIC).............................192,195
Emergency, In Case of
Freeing Vehicle When Stuck............... 289
Hazard Warning Flasher................. 366
Jacking............................. 368
Jump Starting......................... 374
Tow Hooks.......................... 377
Emission Control System Maintenance......386,440Engine
Air Cleaner.......................... 393
Block Heater......................... 280
Break-In Recommendations................ 69
Compartment...................382,383,384
Compartment Identification.........382,383,384
Cooling............................. 401
Exhaust Gas Caution................38,70,337
Fails to Start.......................... 279
Fuel Requirements..................333,435
Multi-Displacement..................... 306
Oil ..............................389,435
Oil Change Interval.................... 390
Oil Disposal.......................... 391
Oil Filter............................ 391
Oil Filter Disposal...................... 391
Oil Selection.......................... 435
Oil Synthetic......................... 391
Overheating.......................... 367
462 INDEX

Starting............................. 277
Temperature Gauge..................... 191
Engine Oil Viscosity...................... 390
Engine Oil Viscosity Chart................. 390
Enhanced Accident Response Feature.......... 56
Entry System, Illuminated.................. 21
Event Data Recorder...................... 58
Exhaust Gas Caution.................38,70,337
Exhaust System......................... 401
Extender, Seat Belt........................ 48
Exterior Finish Care...................... 415
Filters
Air Cleaner.......................... 393
Engine Oil........................... 391
Engine Oil Disposal.................... 391
Finish Care............................ 415
Flashers.............................. 366
Hazard Warning....................... 366Turn Signal.....................187,430,432
Flexible Fuel Vehicles
Cruising Range........................ 340
Engine Oil........................... 340
Fuel Requirements..................337,339
Replacement Parts..................... 340
Starting............................. 340
Flipper Glass, Liftgate..................... 35
Flooded Engine Starting................... 279
Fluid Capacities......................... 435
Fluid Leaks............................. 72
Fluid Level Checks
Automatic Transmission............... 411,412
Engine Oil........................... 389
Power Steering........................ 398
Fluids, Lubricants and Genuine Parts.......... 436
Fog Light Service........................ 431
Fog Lights.......................128,194,431
Fold and Tumble Rear Seat................. 113
INDEX 463
10