JEEP WRANGLER 2007 JK / 3.G Owners Manual

Rear Tail, Stop, Turn Signal, and Back-Up Lights
1. Remove the two (2) inboard screws attaching the tail
light housing to the body.DO NOT REMOVE THE
OUTER SCREWS AT ANY TIME.
2. Separate the housing from the body by pushing the
lamp inboard while pulling the lamp away from the
body.3. Rotate the appropriate socket 1/4 turn counter-
clockwise, then remove it from the housing.
4. Pull the bulb straight from the socket to replace.
Center High Mounted Stop Light (CHMSL)
The stop lamp is mounted on a bracket that extends
upward from the tailgate behind the spare tire. If service
is needed, obtain the LED/Cover Assembly from your
local authorized dealer.
1. Remove the spare tire.
2. Remove the four (4) screws holding the lens/cover in
place on the spare tire carrier.
3. Disconnect the wire harness from the back of the LED
cover.
MAINTAINING YOUR VEHICLE 411
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FLUID CAPACITIES
U.S. Metric
Fuel (Approximate) — 2 Door Models18.5 Gallons 70 Liters
Fuel (Approximate) — 4 Door Models22.5 Gallons 85 Liters
Engine Oil with Filter
3.8 Liter Engine (SAE 5W-20, API Certified Engine Oil) 6 Quarts 5.7 Liters
Cooling System *
3.8 Liter Engine (MoparAntifreeze/Engine Coolant 5 Year/
100,000 Mile Formula)13 Quarts 12 Liters
* Includes heater and coolant recovery bottle filled to MAX level.
412 MAINTAINING YOUR VEHICLE

FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant MoparAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology)
Engine Oil API Certified SAE 5W-20 Engine Oil is recommended. Meets the requirements
of DaimlerChrysler Material Standard MS-6395.
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine compart-
ment.
Oil Filter (3.8L Engine) MoparOil Filter (P/N 04105409AC)
Fuel Selection 87 Octane
MAINTAINING YOUR VEHICLE 413
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Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission MoparATF+4 Automatic Transmission Fluid
Manual Transmission MoparManual Transmission Lubricant or equivalent (meeting the require-
ments of DaimlerChrysler Material Standard MS-9224)
Transfer Case MoparATF+4 Automatic Transmission Fluid or equivalent.
Axle Differential (Front) MoparGear & Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent.
Axle Differential (Rear)198 RBI (Model 35) and 226 RBI (Model 44)- MoparGear & Axle Lubri-
cant (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.
Brake Master Cylinder MoparDOT 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 recom-
mended brake fluids.
Power Steering Reservoir MoparATF+4 Automatic Transmission Fluid
414 MAINTAINING YOUR VEHICLE

MAINTENANCE SCHEDULES
CONTENTS
Emission Control System Maintenance........416
Maintenance Schedules...................416▫Schedule “B”........................419
▫Schedule “A”........................432
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EMISSION CONTROL SYSTEM MAINTENANCE
The “Scheduled” 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 ScheduleB. 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)
416 MAINTENANCE SCHEDULES
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•Trailer towing
•Taxi, police, or delivery service (commercial service)
•Off-road or desert driving
NOTE:IfANYof 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:IfANYof 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.NOTE:Most vehicles are operated under the conditions
listed for Schedule “B.”
Second is Schedule“A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule “B.”
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.
MAINTENANCE SCHEDULES 417
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At Each Stop for Fuel
•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.
•Check the windshield washer solvent, add as required.
Once a Month
•Check the tire pressure and look for unusual wear or
damage.
•Inspect the battery and clean and tighten the terminals
as required.
•Check the fluid levels of the coolant reservoir, brake
master cylinder, and transmission, and add as needed.
•Check all lights and all other electrical items for correct
operation.
At Each Oil Change
•Change the engine oil filter.
•Inspect the exhaust system.
•Inspect brake hoses.
•Inspect the CV joints (If equipped) and front suspen-
sion components.
•Check the coolant level, hoses, and clamps.
•After completion of off-road operation, the underside
of the vehicle should be thoroughly inspected. Exam-
ine threaded fasteners for looseness.
418 MAINTENANCE SCHEDULES
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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:IfANYof 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:IfANYof 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” 419
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Miles 3,000 6,000 9,000 12,000 15,000
(Kilometers) (5 000) (10 000) (15 000) (20 000) (25 000)
Change the engine oil and engine oil filter, if not
replaced at 3 months.X X XXX
Rotate the tires. 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 fluid. X
Inspect the transfer case fluid, add if necessary. X
Clean and lubricate soft top zippers (if equipped). X X X X X
420 SCHEDULE “B”
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