2004 JEEP WRANGLER trailer

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
emission control devices and systems on your vehicle
may be performed by any automotive repair establish-
ment or individual using any automotive part which has
been certified pursuant to U.S. EPA or, in the State of
California, 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
²Excessive 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
²If equipped for and operated with E-85 (ethanol)
fuel.
262 MAINTENANCE SCHEDULES
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Schedule ªBº
Follow this schedule 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
²Excessive 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
²If equipped for and operated with E-85 (ethanol)
fuel.
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
Lubricate the steering linkage tie rod ends. X X X X X
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Drain and refill the front and rear axle fluid³ X
SCHEDULE ªBº 265
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³Off-highway operation, trailer towing, taxi, limousine,
bus, snow plowing, or other types of commercial service
or prolonged operation with heavy loading, especially inhot weather, require front and rear axle service indicated
witha³inSchedule ªBº. Perform these services if the
vehicle is usually operated under these conditions.
SCHEDULE ªBº 273
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Tire and Loading Information Placard....... 188
Tire Identification Number (TIN)........... 187
Tire Markings......................... 184
Tire Safety Information................... 184
Tires ................................ 191
Air Pressure......................... 192
Alignment.......................... 195
Alignment and Balance................. 195
Balancing........................... 195
Chains............................. 196
Changing........................ 211,213
General Information................... 191
High Speed......................... 193
Inflation Pressures.................... 192
Jacking............................. 214
Load Capacity....................... 188
Pressure Label....................... 192
Radial............................. 193
Replacement......................... 194
Rotation............................ 196
Sizes............................... 185
Spare Tire........................... 213
Spinning............................ 193Tread Wear Indicators.................. 194
Wheel Nut Torque.................... 215
To Open Hood.......................... 55
Torque Converter Clutch................. 170
Towing...........................202,219
Disabled Vehicle...................... 219
Recreational......................... 205
Trailering........................... 202
Trac-Lok Rear Axle...................... 173
Trailer Towing......................... 202
Hitches............................. 197
Transfer Case.......................... 247
Four-Wheel-Drive Operation............. 170
Maintenance......................... 247
Transmission
Automatic.......................... 165
Maintenance......................245,246
Manual............................. 163
Shifting............................ 163
Transporting Pets........................ 39
Tread Wear Indicators................... 194
Trip Odometer......................... 119
Trip Odometer Reset Button............... 119
298 INDEX