2008 JEEP COMMANDER Owners Manual

²Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
²Under no circumstances should oil change intervals
exceed 6,000 miles (10,000 km) or 6 months, whichever
comes first.
Your dealer will reset the oil change indicator message
after completing the scheduled oil change. If this sched-
uled oil change is performed by someone other than your
dealer the message can be reset by referring to the steps
described under ªOil Change Requiredº in ªUse Factory
Settingsº of the EVIC section in this manual.
At Each Stop for Fuel
²Check 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 and add if
required.
Once a Month
²Check 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 coolant reservoir, brake
master cylinder, power steering and transmission and
add as needed.
²Check all lights and other electrical items for correct
operation.
MAINTENANCE SCHEDULES 441
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

At Each Oil Change
²Change the engine oil filter.
²Inspect the brake hoses and lines.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
Required Maintenance Intervals
NOTE:** Vehicles built with the 4.7L engine are
equipped with sixteen spark plugs, one set is located on
the top of the engine under the coils and the second set is
located on the side of the engine.
The spark plugs located under the coils are a standard
plug and must be change every 30,000 miles (50 000 km)
The spark plugs located on the side of the engine are a
premium plug and must be changed every 102,000 miles
(170 000 km).
442 MAINTENANCE SCHEDULES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Perform Maintenance Every(Where time and mileage
are listed, follow the interval that occurs first.)
Maintenance Items Miles Kilometers or Months
Change the engine oil and engine oil filter. 6,000 10 000 6
Rotate tires. 6,000 10 000 6
If using your vehicle for any of the following: Dusty
or off-road conditions. Inspect the engine air cleaner
filter, replace if necessary.12,000 20 000 12
Inspect the brake linings, replace if necessary. 12,000 20 000 12
Inspect the front & rear axle fluid, change if using
your vehicle for police, taxi, fleet, off-road or frequent
trailer towing.18,000 30 000 18
Inspect the CV joints. Perform the first inspection at
12,000 miles (20 000 km) or 12 months.24,000 40 000 24
Inspect exhaust system. Perform the first inspection at
12,000 miles (20 000 km) or 12 months.24,000 40 000 24
Inspect the front suspension, tie rod ends and boot
seals, replace if necessary.24,000 40 000 24
MAINTENANCE SCHEDULES 443
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Perform Maintenance Every(Where time and mileage
are listed, follow the interval that occurs first.)
Maintenance Items Miles Kilometers or Months
Replace the engine air cleaner filter.30,000 50 000 30
Check the PCV valve, replace if necessary. Perform
the first inspection at 60,000 miles (100 000 km) or 60
months.30,000 50 000 30
Inspect the transfer case fluid. 30,000 50 000 30
Replace the top row of spark plugs (4.7L Only). **30,000 50 000 30
Replace the spark plugs (3.7L/5.7L Engines).30,000 50 000 30
Change the automatic transmission fluid & filter if
using your vehicle for any of the following: police,
taxi, fleet or frequent trailer towing.60,000 100 000 60
Change the transfer case fluid if using your vehicle for
any of the following: police, taxi, fleet, off-road or fre-
quent trailer towing.60,000 100 000 60
Flush and replace the engine coolant. 102,000 170 000 60
Replace the ignition cables (4.7L Only).102,000 170 000 102
444 MAINTENANCE SCHEDULES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Perform Maintenance Every(Where time and mileage
are listed, follow the interval that occurs first.)
Maintenance Items Miles Kilometers or Months
Replace the side row of spark plugs (4.7L Only). **102,000 170 000 102
Change the automatic transmission fluid & filter. 120,000 200 000 120
Replace accessory drive belt(s) (3.7L/4.7L/5.7L En-
gines).120,000 200 000 120
WARNING!
You can be badly injured working on or around a
motor vehicle. Do only that service work for which
you have the knowledge and the right equipment. If
you have any doubt about your ability to perform a
service job, take your vehicle to a competent
mechanic.
MAINTENANCE SCHEDULES 445
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

IF YOU NEED CONSUMER ASSISTANCE
CONTENTS
mSuggestions For Obtaining Service For Your
Vehicle..............................448
NPrepare For The Appointment............448
NPrepare A List........................448
NBe Reasonable With Requests.............448
mIf You Need Assistance...................448
mWarranty Information (U.S. Vehicles Only).....451
mMopartParts.........................451mReporting Safety Defects..................451
NIn Canada..........................452
mPublication Order Forms..................452
mDepartment Of Transportation Uniform Tire
Quality Grades........................454
NTreadwear..........................454
NTraction Grades......................454
NTemperature Grades...................455
9

SUGGESTIONS FOR OBTAINING SERVICE FOR
YOUR VEHICLE
Prepare For The Appointment
If you're having warranty work done, be sure to have the
right papers with you. Take your warranty folder. All
work to be performed may not be covered by the
warranty, discuss additional charges with the service
manager. Keep a maintenance log of your vehicle's
service history. This can often provide a clue to the
current problem.
Prepare A List
Make a written list of your vehicle's problems or the
specific work you want done. If you've had an accident,
or work done that is not on your maintenance log, let the
service advisor know.
Be Reasonable With Requests
If you list a number of items, and you must have your
vehicle by the end of the day, discuss the situation with
the service advisor and list the items in order of priority.
At many dealers, you may obtain a rental vehicle at a
minimal daily charge. If you need a rental, it is advisable
to make these arrangements when you call for an ap-
pointment.
IF YOU NEED ASSISTANCE
The manufacturer and its dealers are vitally interested in
your satisfaction. We want you to be happy with our
products and services.
Warranty service must be done by an authorized
Chrysler, Dodge, or Jeep dealer. We strongly recommend
that you take your vehicle to your selling dealer. They
know you and your vehicle best, and are most concerned
that you get prompt and high quality service. The
manufacturer's dealers have the facilities, factory-trained
448 IF YOU NEED CONSUMER ASSISTANCE