2006 JEEP WRANGLER trailer

•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
•Taxi, Police, or delivery service (commercial service)
•Trailer towing
•Off-road or desert driving
•If equipped for and operating with E–85 (ethanol) fuel
If ANY of these apply to you, then change your engine oil
at every interval shown in schedule “B” of the “Mainte-
nance Schedules” section of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on schedule “A” of the “Main-
tenance Schedules” 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.
Engine Oil Selection
For best performance and maximum protection for all
engines under all types of operating conditions, the
manufacturer recommends engine oils that are API Cer-
tified and meet the requirements of DaimlerChrysler
Material Standard MS-6395.
American Petroleum Institute (API) Engine Oil
Identification Symbol
This symbol means that the oil has
been certified by the American
Petroleum Institute (API). The
manufacturer only recommends
API Certified engine oils.
MAINTAINING YOUR VEHICLE 273
7

Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Mopar ATF+4 Automatic Transmission Fluid
Manual Transmission Mopar Manual Transmission Lubricant or equivalent (meeting the requirements of
DaimlerChrysler Material Standard MS-9224)
Transfer Case Mopar ATF+4 Automatic Transmission Fluid or equivalent.
Axle Differential (Front) Mopar Gear & Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent.
Axle Differential (Rear) 194 RBI (Model 35) and 216 RBI (Model 44) - MoparGear & Axle Lubricant (SAE
80W-90) (API GL-5) or equivalent. For trailer towing, use Mopar Synthetic Gear &
Axle Lubricant (SAE 75W-140) or equivalent. Models equipped with Trac-Lok require
an additive. Rubicon 216 RBI (Model 44) - MoparSynthetic Gear & Axle Lubricant
(SAE 75W-140) or equivalent. Models equipped with Trac-Lok require an additive.
Brake Master Cylinder Mopar DOT 3 Brake Fluid, 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 Mopar ATF+4 Automatic Transmission Fluid
Steering Gear & Linkage,
Ball Joints, Prop Shafts &
Yokes, Wheel Bearings Mopar 
Multi-Purpose Grease NLGI Grade 2 EP, GC-LB or equivalent.
316 MAINTAINING YOUR VEHICLE

EMISSION CONTROL SYSTEM MAINTENANCE
The “Scheduled” maintenance services, listed inbold
type must 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
required service 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.
•Day or night temperatures are below 32°F (0°C)
•Stop and go driving
•Excessive engine idling
•Driving in dusty conditions
•Short trips of less than 10 miles (16.2 km)
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
•Trailer towing
•Taxi, police, or delivery service (commercial service)
318 MAINTENANCE SCHEDULES
8
M A I
N T
E
N A
N C E
S
C
H E
D
U L
E
S

Schedule “B”
Follow this schedule if you usually operate your vehicle
under one or more of the following conditions.
•Day or night temperatures are below 32°F (0°C)
•Stop and go driving
•Excessive engine idling
•Driving in dusty conditions
•Short trips of less than 10 miles (16.2 km)
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
•Trailer towing
•Taxi, police, or delivery service (commercial service)
•Off-road or desert driving
•If equipped for and operated with E-85 (ethanol)
fuel.
NOTE: IfANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE: IfANY of these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (170 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
SCHEDULE “B” 321
8
M A I
N T
E
N A
N C E
S
C
H E
D
U L
E
S

Miles 108,000 111,000 114,000 117,000 120,000
(Kilometers) (180 000) (185 000) (190 000) (195 000) (200 000)
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced. X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze, if
not replaced at 102,000 miles (170 000 km). X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.
† Applies only if vehicle is used for frequent trailer
towing or fleet/commercial service.
 This maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty. ‡Off-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
witha‡in Schedule “B”. Perform these services if the
vehicle is usually operated under these conditions.
SCHEDULE “B” 331
8
M
A I
N T
E
N A
N C E
S
C
H E
D
U L
E
S

Dimmer Switch........................ 65
Replacing ............................ 310
Switch ............................... 64
Heater ............................... 172
Heater, Engine Block ..................... 184
High Beam Indicator ..................... 148
Hitches Trailer Towing ........................ 238
Holder, Cup ............................ 72
Hood Release ........................... 62
Hoses ............................. 289,290
Hydraulic Clutch Fluid .................... 294
Ignition Cables .............................. 277
Key ................................. 13
Illuminated Entry ........................ 17
Infant Restraint ........................ 34,35
Inflation Pressure Tires .................... 222 Inside Rearview Mirror
.................... 52
Instrument Cluster ....................... 146
Instrument Panel and Controls .............. 145
Instrument Panel Lens Cleaning ............. 301
Interior Appearance Care .................. 300
Interior Fuses .......................... 305
Interior Lights ........................... 64
Intermittent Wipers (Delay Wipers) ............ 67
Introduction ............................. 4
Jack Location ........................... 255
Jack Operation ....................... 254,256
Jacking Instructions ...................... 256
Jump Starting .......................... 258
Key, Programming ........................ 16
Key Release Button ....................... 14
Key, Replacement ........................ 16
Key, Sentry (Immobilizer) ................... 14
354 INDEX

Tongue Weight/Trailer Weight.............. 240
Torque Converter Clutch .................. 194
Towing ............................ 236,261
Disabled Vehicle ....................... 261
Guide .............................. 239
Recreational .......................... 248
Weight .............................. 239
Trac-Lok Rear Axle ...................... 198
Trailer Towing .......................... 236
Cooling System Tips .................... 248
Hitches .......................... 229,238
Minimum Requirements ................. 242
Trailer and Tongue Weight ................ 240
Wiring .............................. 245
Trailer Towing Guide ..................... 239
Trailer Weight .......................... 239
Transfer Case ........................... 295
Four-Wheel-Drive Operation .............. 195
Maintenance .......................... 295 Transmission
Automatic ........................... 188
Maintenance ....................... 292,294
Manual ............................. 185
Shifting ............................. 185
Transporting Pets ........................ 44
Tread Wear Indicators .................... 225
Trip Odometer .......................... 150
Trip Odometer Reset Button ................ 150
Turn Signals .................... 66,147,311,313
Underhood Fuses ........................ 307
Uniform Tire Quality Grades ................ 345
Upholstery Care ........................ 300
Vacuum/Vapor Harnesses ................. 289
Variance, Compass ....................... 55
Vehicle Identification Number (VIN) ............ 8
Vehicle Loading ......................... 218
INDEX 361
10