CAUTION!
•
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.
PRESSURE WASHING
Cleaning the engine compartment with a high pressure
washer is not recommended.
CAUTION!
Precautions have been taken to safeguard all parts
and connections however, the pressure 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 assessed 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 — Gasoline Engine
Use only the manufacturer's recommended fluid
page 307.
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 cycles. For
example, if the vehicle is started then shut off after
driving a short distance. Upon restarting, you may expe-
rience a ticking sound. Other causes could be if the
vehicle is unused for an extended period of time, incor-
rect oil, extended oil changes or extended idling. If the
engine continues to tick or if the Malfunction Indicator
Light (MIL) comes on, see the nearest 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.
The same oil change interval is to be fol-
lowed for synthetic oil as for petroleum-
based oil. Also, synthetic oil must meet the same per-
formance specifications as petroleum oil.
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.
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 correct SAE viscosity grade num-
bers should not be used.
Materials Added To Engine Oil
The manufacturer strongly recommends against the
addition of any additives (other than leak detection
dyes) to the engine oil. Engine oil is an engineered prod-
uct and its performance may be impaired by supple-
mental additives.
SERVICING AND MAINTENANCE 267
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