2004 JEEP WRANGLER Owners Manual

REPLACEMENT BULBS Ð IF EQUIPPED
Interior Lights Bulb Type
Auto. Trans. Indicator Light................. 658
Courtesy Lights, Under Dash (1).............. 906
Heater Control Lights (2)................... 194
Rocker Switch Indicator Light (Rear Window
Defogger, and Rear Wash/Wipe)............... **
Soundbar Dome Light..................... 912
** Bulbs only available from authorized dealer.
Instrument Cluster Bulb Type
Telltale (High Beam)....................... 74
Illumination............................ 103Exterior Lights Bulb Type
Backup Lights (2)........................1156
Center High Mounted Stop Light (1).... 921orW16W
Fog Lights.............................. H3
Front Park/Turn Lights (2).................3157
Front Side Marker Lights (2).......... 168orW3W
Headlights (2)...................... H6024BL
Stop/Tail/Turn Lights (2)..................1157
Underhood Light......................... 561
License Light...........................1157
NOTE:Numbers refer to commercial bulb types that
can be purchased from your local authorized dealer.
If a bulb needs to be replaced, visit your authorized
dealer or refer to the applicable Service Manual.
MAINTAINING YOUR VEHICLE 257
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FLUID CAPACITIES
U.S. Metric
Fuel (Approximate)19 Gallons 72 Liters
Engine Oil with Filter
2.4 Liter Engine (SAE 5W-30, API Certified Engine Oil) 5 Qts 4.7 Liters
4.0 Liter Engine (SAE 10W-30, API Certified Engine Oil) 6 Qts 5.7 Liters
Cooling System *
2.4 Liter Engine (MopartAntifreeze/Coolant 5 Year/100,000
Mile Formula)9 Qts 8.5 Liters
4.0 Liter Engine (MopartAntifreeze/Coolant 5 Year/100,000
Mile Formula)10.5 Qts 9.9 Liters
* Includes heater and coolant recovery bottle filled to MAX level.
258 MAINTAINING YOUR VEHICLE

RECOMMENDED 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 API Certified SAE 5W-30 Engine Oil is recommended for the 2.4L engine. API
Certified SAE 10W-30 Engine Oil is recommended for the 4.0L engine. Refer to
oil viscosity chart for correct SAE grade meeting DaimlerChrysler Material
Standard MS-6395.
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine compart-
ment.
Oil Filter (2.4L Engine) MopartOil Filter (P/N 4105409)
Oil Filter (4.0L Engine) MopartOil Filter (P/N 05281090)
Fuel Selection 87 Octane
MAINTAINING YOUR VEHICLE 259
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Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission MopartATF+4 Automatic Transmission Fluid.
Manual Transmission MopartManual Transmission Lubricant or equivalent.
Transfer Case MopartATF+4 Automatic Transmission Fluid.
Axle Differential (front-rear) MopartHypoid Gear Lubricant (SAE 80W-90) (API GL5) or equivalent. For
trailer towing, use a SAE 75W-140 Synthetic Gear Lubricant. Models
equipped with Trac-Lok require an additive.
Brake Master Cylinder MopartDOT 3, SAE J1703 should be used. If DOT 3, SAE J1703 brake fluid
is not available, then DOT 4 is acceptable. Use only recommended brake flu-
ids.
Power Steering Reservoir MopartATF+4 Automatic Transmission Fluid.
Steering Gear & Linkage, Ball
Joints, Prop Shafts & Yokes, Wheel
BearingsMopartMulti-Purpose Lubricant NLGI Grade 2 EP, GC-LB
260 MAINTAINING YOUR VEHICLE

MAINTENANCE SCHEDULES
CONTENTS
mEmission Control System Maintenance......262
mMaintenance Schedules..................262NSchedule ªBº........................265
NSchedule ªAº........................274
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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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NOTE:Most vehicles are operated under the conditions
listed for Schedule ªB.º
Second is ScheduleªAº. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule ªB.º
Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
²
Check 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, add as required.
Once a Month
²
Check the 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 the coolant reservoir, brake
master cylinder, and transmission, and add as needed.
²Check all lights and all other electrical items for correct
operation.
At Each Oil Change
²
Change the engine oil filter.
²Inspect the exhaust system.
²Inspect brake hoses.
²Check the coolant level, hoses, and clamps.
²Inspect manual transmission fluid level Ð if
equipped.
MAINTENANCE SCHEDULES 263
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²Rotate the tires at each oil change interval shown on
Schedule ªAº 6,000 miles (10 000 km) or every other
interval shown on Schedule ªBº 6,000 miles (10 000
km).²After completion of off-road operation, the underside
of the vehicle should be thoroughly inspected. Exam-
ine threaded fasteners for looseness.
264 MAINTENANCE SCHEDULES
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