2004 JEEP LIBERTY trailer

Minimum Vehicle Requirements for Trailer Towing
266 STARTING AND OPERATING

CAUTION!
Overfilling or underfilling the crankcase will cause
aeration or loss of oil pressure. This could damage
your engine.
Change Engine Oil
Road conditions as well as your kind of driving affect the
interval at which your oil should be changed. Check the
following to determine if any apply to you:
²Day or night temperatures are below 32ÉF (0ÉC)
²Stop and go driving
²Extensive engine idling
²Driving in dusty conditions
²Short trip driving 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)
²Taxi, Police, or delivery service (commercial service)
²Trailer towing
²Off-road or desert driving
IfANYof these apply to you, then change your engine oil
at every interval shown in schedule ªBº of the ªMainte-
nance Schedulesº section of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on schedule ªAº of the ªMain-
tenance Schedulesº section of this manual
NOTE:Under no circumstances should oil change in-
tervals exceed 6,000 miles (10 000 km) or 6 months
whichever comes first.
292 MAINTAINING YOUR VEHICLE

Cavity Fuse Description
18 20 Amp Yel-
lowRadio Choke & Relay
19 20 Amp Yel-
lowFrt Fog Lights/Trailer Tow
Stop and Turn Lights
20 Spare
21 10 Amp Red Radio
22 20 Amp Yel-
lowPower Sunroof Relay/
Antenna Module (Export
Only)
23 Spare
24 10 Amp Red PDC Blower Motor
25 10 Amp Red Heated Seat Switches/HVAC
Control Head/Trailer Tow
Battery Charge
26 10 Amp Red Headlight High Beam Right
27 10 Amp Red Headlight High Beam Left
28 SpareCavity Fuse Description
29 10 Amp Red Heated Mirrors/Rear Win-
dow Defroster Indicator
30 15 Amp Blue Heated Seat Module
31 Spare
32 10 Amp Red Wiper Switch/Front and
Rear Wipers
33 10 Amp Red SKIM Module/Data Link
Connector
34 15 Amp Blue Body Control Module/
Cluster/Interior Lights,
Hands Free Module/Radio/
CMTC/ITM Module & Siren
(Export Only)
35 Spare
36 10 Amp Red Airbag Control Module/
Occupation Classification
Module (Right Front Seat)
322 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 Use API Certified SAE 5W-30 Engine Oil. Refer to oil viscosity chart for cor-
rect SAE grade meeting DaimlerChrysler Material Standard MS-6395.
Oil Filter (2.4L Engine) MopartOil Filter (P/N 4105409)
Oil Filter (3.7L Engine) MopartOil Filter (P/N 04781452AA)
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine com-
partment.
Fuel Selection 87 Octane (89 Octane should be used for trailer towing purposes - 3.7L
Only).
MAINTAINING YOUR VEHICLE 327
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Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission MopartATF+4 Automatic Transmission Fluid
Manual Transmission MopartManual Transmission Lubricant (P/N 04874464)
Transfer Case MopartATF+4 Automatic Transmission Fluid
Axle Differential (front-rear) MopartSAE 75W-140 (API GL5) Synthetic Gear Lubricant or equivalent.
The 8.25 Corporate Rear Axle should use a SAE 75W-90 Gear Lubricant.
For trailer towing, the lubricant should be replaced with SAE 75W-140
Synthetic Gear Lubricant. Models equipped with Trac-LokŸ require a fric-
tion modifier 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 fluids.
Power Steering Reservoir MopartATF+4 Automatic Transmission Fluid
Ball Joints, Prop Shafts, U-Joints,
Yokes, & Wheel BearingsMopartMulti-Purpose Lube NLGI Grade 2 EP, GC-LB
328 MAINTAINING YOUR VEHICLE

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
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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
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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
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