2004 JEEP LIBERTY tow

EMISSION CONTROL SYSTEM MAINTENANCE
The ªScheduledº maintenance services, listed inbold
typemust be done at the times or mileages specified to
assure the continued proper functioning of the emission
control system. These, and all other maintenance services
included in this manual, should be done to provide best
vehicle performance and reliability. More frequent main-
tenance may be needed for vehicles in severe operating
conditions such as dusty areas and very short trip
driving.
Inspection and service also should be done any time a
malfunction is suspected.
NOTE:Maintenance, replacement, or repair of the emis-
sion control devices and systems on your vehicle may be
performed by any automotive repair establishment or
individual using any automotive part which has been
certified pursuant to U.S. EPA or, in the State of Califor-
nia, California Air Resources Board regulations.
MAINTENANCE SCHEDULES
There are two maintenance schedules that show the
requiredservice for your vehicle.
First is Schedule(B(. It is for vehicles that are operated
under the conditions that are listed below and at the
beginning of the schedule.
²Day or night temperatures are below 32ÉF (0ÉC).
²Stop and go driving.
²Extensive engine idling.
²Driving in dusty conditions.
²Short trips of less than 10 miles (16.2 km).
²More than 50% of your driving is at sustained high
speeds during hot weather, above 90ÉF (32ÉC).
²Trailer towing.
²Taxi, police, or delivery service (commercial service).
330 MAINTENANCE SCHEDULES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Schedule ªBº
Follow schedule ªBº if you usually operate your vehicle
under one or more of the following conditions.
²Day or night temperatures are below 32ÉF (0ÉC).
²Stop and go driving.
²Extensive engine idling.
²Driving in dusty conditions.
²Short trips of less than 10 miles (16.2 km).
²More than 50% of your driving is at sustained high
speeds during hot weather, above 90ÉF (32ÉC).
²Trailer towing.
²Taxi, police, or delivery service (commercial service).
²Off-road or desert driving.
Miles 3,000 6,000 9,000 12,000 15,000
(Kilometers) (5 000) (10 000) (14 000) (19 000) (24 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, replace if
necessary.X
Inspect the brake linings. X
Drain and refill the front and rear axle fluid³ X
SCHEDULE ªBº 333
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts.
LThis maintenance is recommended by the manufac-
turer to the owner, but it is not required to maintain
emissions warranty.³Off-highway operation, trailer towing, taxi, limousine,
bus, snow plowing, or other types of commercial service
or prolonged operation with heavy loading, especially in
hot weather, require front and rear axle service indicated
witha³inSchedule ªBº. Perform these services if the
vehicle is usually operated under these conditions.
SCHEDULE ªBº 341
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Crankcase Emission Control System.......... 297
Cruise Control.......................... 108
Cruise Light........................... 155
Cup Holder............................ 136
Customer Assistance..................... 348
Cylinder, Retest Requirements............... 102
Daytime Running Lights................... 102
Dealer Service.......................... 289
Defroster, Rear Window................... 204
Diagnostic System, Onboard................ 287
Dimmer Switch, Headlight................. 101
Dipsticks
Oil (Engine).......................... 290
Power Steering........................ 300
Disabled Vehicle Towing................... 281
Disarming, Theft System................... 28
Disposal
Engine Oil........................... 294Used Engine Fluids..................... 294
Door Locks............................. 18
Door Locks, Automatic.................... 21
Door Opener, Garage..................... 125
Doors................................. 18
Drive Belts............................ 294
Driving............................... 236
Off-Pavement......................... 236
On Hills............................ 237
On Slippery Surfaces.................... 237
When to Use Low Range................. 236
Electric Remote Mirrors.................... 77
Electrical Outlet, Auxiliary................. 133
Electrical Power Outlets................... 133
Electronic Speed Control................... 108
Electronic Vehicle Information Center.......... 112
Emergency, In Case of
Hazard Warning Flasher................. 272
INDEX 361
10

Jump Starting......................... 279
Tow Hooks.......................... 281
Emission Control System Maintenance......288,330
Engine
Air Cleaner.......................... 297
Block Heater......................... 212
Break-In Recommendations................ 68
Checking Oil Level..................... 290
Compartment......................285,286
Compartment Identification............285,286
Cooling............................. 303
Fails to Start.......................... 211
Flooded, Starting...................... 211
Fuel Requirements..................259,326
Jump Starting......................... 279
Malfunction Indicator................... 152
Oil ..............................290,326
Oil Change Interval.................... 292
Oil Disposal.......................... 294Oil Filter............................ 294
Oil Filter Disposal...................... 294
Oil Selection.......................293,326
Overheating.......................... 273
Starting............................. 210
Temperature Gauge..................... 153
Timing Belt.......................... 297
Engine Oil Viscosity Chart................. 293
Enhanced Accident Response Feature.......... 56
Entry System, Illuminated.................. 17
Exhaust Gas Caution...................... 68
Exhaust System......................... 302
Exterior Finish Care...................... 316
Filters
Air Cleaner.......................... 297
Engine Oil........................... 294
Finish Care............................ 316
362 INDEX

Mirrors.............................. 77
Outlet.............................. 133
Seats................................ 93
Steering............................. 300
Sunroof............................. 130
Windows............................. 32
Pregnant Women and Seat Belts.............. 45
Preparation for Jacking.................... 276
Pretensioners
Seat Belts............................. 43
Programmable Electronic Features............ 115
Programming Transmitters.................. 26
Radial Ply Tires......................... 251
Radio........................160,167,174,183
Radio Broadcast Signals................... 158
Radio Operation................160,167,174,198
Radio, Satellite.......................... 190
Rear Axle..........................231,315Rear Swing Gate......................... 29
Rear Window Defroster................... 204
Rear Window Features.................... 203
Rear Wiper/Washer...................... 203
Rearview Mirrors........................ 75
Reclining Front Seats...................... 91
Recommended Fluids, Lubricants and Genuine
Parts............................... 327
Recreational Towing...................... 267
Shifting into Transfer Case Neutral (N)....... 267
Shifting out of Transfer Case Neutral (N)..... 269
Reformulated Gasoline.................... 260
Refrigerant............................ 300
Reminder, Lights On..................... 102
Reminder, Seat Belt....................... 44
Remote Keyless Entry..................... 23
Remote Sound System Controls.............. 194
Replacement Keys........................ 15
Replacement Parts....................... 289
INDEX 369
10

Pressure Monitor System.............. 113,254
Radial.............................. 251
Replacement......................... 252
Rotation..........................256,258
Safety............................70,239
Sizes............................... 241
Spare Tire........................... 275
Spinning............................ 251
Tread Wear Indicators................... 252
Wheel Nut Torque..................... 278
Torque Converter Clutch.................. 221
Tow Hooks, Emergency................... 281
Towing............................264,281
Disabled Vehicle....................... 281
Recreational.......................... 267
Trailering............................ 264
Trac-Lok Rear Axle...................... 231
Trailer Towing.......................... 264
Minimum Requirements................. 266Transfer Case........................222,313
Four-Wheel-Drive Operation.............. 222
Maintenance.......................... 313
Transmission
Automatic........................216,311
Maintenance....................... 311,313
Manual............................. 213
Shifting............................. 213
Warning Light........................ 155
Transmitter Battery Service.................. 27
Transmitter, Garage Door Opener............ 125
Transmitter Programming................... 26
Transporting Pets........................ 67
Tread Wear Indicators.................... 252
Trip Odometer.......................... 154
Turn Signals.........................101,151
Underhood Fuses........................ 323
Universal Transmitter..................... 125
INDEX 373
10