Page 420 of 527

Start the engine and operate it at idle for several minutes.
Check for leaks at the lubricating oil filter and oil pan
drain plug.
Run the engine until it has reached operating tempera-
ture, stop the engine. Wait approximately 15 minutes to
let the oil in the upper parts of the engine drain back to
the pan. Check the oil level again.
Add oil as necessary to bring the level to the ªSAFEº
mark on the dipstick.
Disposing Of Used Engine Oil And Filter
Care should be taken in disposing of used engine oil and
oil filters from your vehicle. Used oil and oil filters,
indiscriminately discarded, can present a problem to the
environment. Contact your authorized dealer, service
station, or governmental agency for advice on how and
where used oil and oil filters can be safely discarded in
your area.
Drive Belt
Inspection
Check the belt for intersecting cracks.
²Transverse (across the belt width) cracks are accept-
able.
²Longitudinal (direction of belt length) cracks that
intersect with transverse cracks are NOT acceptable.
Replace the belt if it has unacceptable cracks, is frayed or
has pieces of material missing.
The engine speed sensor, located near the damper, should
be inspected for damage if a belt is frayed.
418 MAINTAINING YOUR VEHICLE
Page 422 of 527

If the vehicle experiences a sudden loss of engine power
when being driven in heavy snow, rain or when plowing
snow, and the EVIC message center states SERVICE AIR
FILTER or the Filter MinderŸ (if equipped) is showing a
plugged filter, then visually inspect the air filter for
snow/ice build up or extreme water saturation. If the air
filter is not damaged, remove all snow/ice and reinstall
air filter. If the air filter is damaged, replace filter element.
NOTE:The air filter housing contains a Mass Air Flow
sensor. This sensor is critical to proper engine operation
and component longevity. Any damage or modification
to this sensor could result in major engine and/or
exhaust aftertreatment damage. This includes the use of
non-approved air filters. Use only Mopartapproved air
filters or equivalent.A visual inspection of the air cleaner filter element is
never recommended under normal circumstances. A
badly restricted element may appear clean while a soiled
element may be quite effective in filtering particles
without restricting air flow. Rely on the Engine Control
Module or the Filter MinderŸ (if equipped), to deter-
mine when a filter change is necessary.
420 MAINTAINING YOUR VEHICLE
Page 482 of 527
FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
Component Fluids, Lubricants and Genuine Parts
Engine Coolant MopartAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology).
Engine Oil(6.7L Turbo Diesel)Use (SAE 15W-40, API CJ-4 Certified, that meets DaimlerChrysler Material
Standards MS-10902. Products meeting Cummins CES 20081 Standards may
also be used.)
Engine Oil Filter
(6.7L Turbo Diesel Engine)MopartEngine Oil Filter, P/N 05083285AA or equivalent.
Engine Fuel Filter
(6.7L Turbo Diesel Engine)MopartFuel Filter, P/N 05183410AA or equivalent. Must meet 7 micron rat-
ing.Using a fuel filter that does not meet the manufacturers filtration and
water separating requirements can severely impact fuel system life and re-
liability.
Crankcase Ventilation Filter
(6.7L Turbo Diesel Engine)MopartCCV Filter, P/N 68001433AA or equivalent.
480 MAINTAINING YOUR VEHICLE
Page 487 of 527

take some washer fluid and apply it to a cloth or towel
and wipe clean the wiper blades, this will help blade
performance.
Once a Month
²Check tire pressure and look for unusual wear or
damage.
²Inspect the batteries and clean and tighten the termi-
nals as required.
²Check the fluid levels of coolant reservoir, brake
master cylinder, and transmission and transfer case (if
equipped), add as needed.
²Check all lights and all other electrical items for correct
operation.
²Drain water from the fuel filter.
²Check Filter MinderŸ (If Equipped). Replace air
cleaner filter element if necessary.At Each Oil Change
²Change the engine oil filter.
²Inspect the exhaust system.
²Inspect the brake hoses.
²Inspect the U-Joints (if equipped) and front suspension
components.
²Check the automatic transmission fluid level.
²Check the manual transmission fluid level.
²Check the coolant level, hoses, and clamps.
²Lubricate outer tie rod ends (4X4) models only.
²Lubricate Front Drive Shaft Fitting (4X4).
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.
MAINTENANCE SCHEDULES 485
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Page 488 of 527

Oil Change Indicator System
Your vehicle is equipped with an engine oil change
indicator system. This system will alert you when it is
time to change your engine oil by displaying the words
ªOil Change Requiredº on your Electronic Vehicle Infor-
mation Center (EVIC). The engine oil change indicator
system is duty cycle based, which means the engine oil
change interval may fluctuate depending on your per-
sonal driving style. Driving styles such as frequent stop
and go type driving can increase the frequency of the
engine oil change. This is the result of more frequent
regeneration of the exhaust aftertreatment system, which
can decrease the life of the engine oil. Failure to change
the engine oil per the maintenance schedule can result in
internal engine damage.
For information on resetting the Oil Change Indicator
message, refer to ªOil Change Required ± If Equipped,ºunder ªSystem Status (EVIC Displays)º in the ªElectronic
Vehicle Information Center (EVIC)º Section of this
manual.
Perform Service Indicator
Your vehicle will require emissions maintenance at a set
interval. To help remind you when this maintenance is
due, the Electronic Vehicle Information Center (EVIC)
will display ªPerform Serviceº. When the ªPerform Ser-
viceº message is displayed on the EVIC it is necessary to
have the emissions maintenance performed. Emissions
maintenance includes replacing the Closed Crankcase
Ventilation (CCV) filter element, cleaning of the EGR
Cooler, and cleaning of the EGR Valve. The procedure for
clearing and resetting the9Perform Service9indicator
message is located in the appropriate Service Informa-
tion.
486 MAINTENANCE SCHEDULES
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Page 489 of 527
Maintenance Schedule
(Miles) (7,500) (15,000) (22,500) (30,000) (37,500)
Kilometers 12 000 24 000 36 000 48 000 60 000
[Months] [6] [12] [18] [24] [30]
Change engine oil and engine oil filter. (Under no cir-
cumstances should oil change intervals exceed 12 000
km (7,500 mi) or 6 months, which ever comes first).X X XXX
Lubricate Front Drive Shaft Fitting (4X4). X X X X X
Rotate tires. X X X X X
Lubricate outer tie rod ends. X X X X X
Inspect the transfer case fluid (4X4). X
Change front and rear axle fluid (4X4). X X
Replace fuel filter element. X X
Inspect the brake linings, replace if necessary. X
Inspect and adjust parking brake if necessary. X
Inspect front wheel bearings. X
Inspect drive belt, replace as necessary. X
MAINTENANCE SCHEDULES 487
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Page 490 of 527
(Miles) (45,000) (52,500) (60,000) (67,500) (75,000)
Kilometers 72 000 84 000 97 000 109 000 121 000
[Months] [36] [42] [48] [54] [60]
Change engine oil and engine oil filter. X X X X X
Lubricate Front Drive Shaft Fitting (4X4). X X X X X
Rotate tires. X X X X X
Lubricate outer tie rod ends. X X X X X
Change the transfer case fluid (4X4). X
Change front and rear axle fluid (4X4). X X X
Change the automatic transmission fluid & filter if
using your vehicle for any of the following: police,
taxi, fleet or frequent trailer towing.X
Change manual transmission fluid. X
Flush and replace engine coolant at 60 months, if
not replaced at 100,000 miles (160 000 km).***X
Inspect drive belt, replace as necessary. X X
Replace fuel filter element. X X X
488 MAINTENANCE SCHEDULES
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Page 492 of 527
(Miles) (82,500) (90,000) (97,500) (100,000) (105,000)
Kilometers 133 000 145 000 157 000 160 000 169 000
[Months] [66] [72] [78] [84]
Change engine oil and engine oil filter. X X X X
Lubricate Front Drive Shaft Fitting (4X4). X X X X
Rotate tires. X X X X
Lubricate outer tie rod ends. X X X X
Flush and replace engine coolant, if not replaced at
60 mos.***X
Inspect the transfer case fluid (4X4). X
Change front and rear axle fluid (4X4). X X
Inspect drive belt, replace as required.* X X
Replace fuel filter element. X X
Inspect front wheel bearings. X
Inspect brake linings. X X
Inspect and adjust parking brake if necessary. X X
490 MAINTENANCE SCHEDULES
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