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CAUTION!
•
It is essenti al when replacing the cables on the
battery that the positive cable is attached to the
positive post and the negative cable is attached to
the negative post. Battery posts are marked posi-
tive (+) and negat ive (-) and are identified o n the
battery case. Cable clamps should be tight on the
terminal posts and free of c orrosion.
•
If a “fast charger” is used while the battery is in
the vehicle, disconnect both vehicle battery cables
before connecting the charger to the battery. Do
not use a “fast charger” to provide starting voltage.
•
Vehicles with the Stop/Start system will be equipped
with two batteries. Both the main and the supple-
mental batteries must be disconnected to completely
de-energize the 12 Volt electrical system.
•
If the negative battery cables are not isolated prop-
erly it can cause a potential power spike or surge
in the system, r esu lti ng in damage to essential
electrical components.
PRESSURE WASHING
Cleaning the engine compartment with a high pre ssur e
washer is not reco mmende d.
CAUTION!
Precautions have been taken to safeguard all parts
and connections however, the pressures generated
by these machines is such that complete protection
against water ingress cannot be guaranteed.
VEHICLE MAINTENANCE
An authorized dealer has the qualified service person-
nel, 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 penal-
ties being asse sse d against you.
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.
ENGINE OIL
Engine Oil Selection
For engine oil select io n
page 346.
NOTE:
Hemi engines (6.4L) at times can tick right after startup
and then quiet down after approximately 30 seconds.
This is normal and will not harm the engine. This char-
acteristic can be caused by short drive c ycles. For
example, if the vehicle is started then shut off after
driving a short distance. Upon restarting, you may expe-
rience a ti cki ng sound.
Other causes could be if the vehicle is unused for an
extended period of time, incorrect oil, extended oil
changes or extended idling. If the engine continues to
tick or if the Malfunctio n Indicator Light (MIL) comes on,
see the nea rest authorized dealer.
American Petroleum Institute (API)
Approved Engine Oil
These symbols mean that the oil has been certified by
the API. The manufacturer only recommends API trade-
mark oils.
The API Starburst trademark certifies
0W-20, 0W-30 and 5W-30 engine oils.
The API Donut trademark certifies
0W-40 and 5W-40 engine oil.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can dama ge your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
Synthetic Engine Oils
Your engine was designed for synthetic engine oils, only
use synthetic API approved engine oils.
Synthetic engine oils which do not have both the correct
API trademark and the corr ect SAE viscosity grade num-
bers should not be used.
SERVICING AND MAINTENANCE 293
8
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