SERVICING AND MAINTENANCE
347
DEALER SERVICE
An authorized dealer has the qualified service
personnel, special tools, and equipment to
perform all service operations in an expert
manner. Service Manuals are available which
include detailed service information for your
vehicle. Refer to these Service Manuals before
attempting any procedure yourself.
NOTE:
Intentional tampering with emissions control
systems may void your warranty and could
result in civil penalties being assessed against
you.
Engine Oil
Change Engine Oil — Gas Engine
The oil change indicator system will remind you
that it is time to take your vehicle in for sched
-
uled maintenance. Refer to “Scheduled
Servicing” in this chapter for further informa
-
tion.
NOTE:
Under no circumstances should oil change
intervals exceed 8,000 miles (13,000 km),
12 months or 350 hours of engine run time,
whichever comes first. The 350 hours of engine
run or idle time is generally only a concern for
fleet customers.
Change Engine Oil — Diesel Engine
Refer to the “Scheduled Servicing” for the
proper maintenance intervals.
Engine Oil Selection — Gas Engine
For best performance and maximum protection
under all types of operating conditions, the
manufacturer only recommends engine oils
that are API Certified and meet the require
-
ments of FCA Material Standard MS-12633.
Engine Oil Selection — Diesel Engine
For best performance and maximum protection
under all types of operating conditions, the
manufacturer only recommends engine oils
that are API CK-4 certified and meet the require
-
ments of FCA US LLC. Use Mopar or an equiva
-
lent oil meeting FCA Material Standard
MS-10902. Products meeting Cummins CES
20081 may also be used. The identification of
these engine oils are typically located on the
back of the oil container.
American Petroleum Institute (API) Engine Oil
Identification Symbol — Gas Engine
This symbol means that the oil has
been certified by the American Petro
-
leum Institute (API). The manufac
-
turer only recommends API Certified
engine oils.
This symbol certifies 0W-20, 5W-20, 0W-30,
5W-30 and 10W-30 engine oils.
WARNING!
You can be badly injured working on or
around a motor vehicle. Only do service work
for which you have the knowledge and the
proper equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.
CAUTION!
Do not use chemical flushes in your engine oil
as the chemicals can damage your engine.
Such damage is not covered by the New
Vehicle Limited Warranty.
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