Jeep Wrangler: SERVICING AND MAINTENANCE / VEHICLE MAINTENANCE
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.
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.
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
pressures generated by these machines is
such that complete protection against water
ingress cannot be guaranteed...
Engine Oil Selection — 2.0L Engine (If Equipped)
For best performance and maximum protection
under all types of operating conditions, the
manufacturer only recommend engine oils that
are API SP/GF-6A certified and meet the
requirements of the manufacturer Material
Standard MS-13340...
Other information:
This warning light will
illuminate to
warn of a high transmission fluid
temperature. This may occur with
strenuous usage such as trailer
towing. If this light turns on, stop the vehicle and run the engine at idle or
slightly faster, with the
transmission in PARK (P) or NEUTRAL (N), until
the light turns off...
While operating on gasoline with the required
octane number, hearing a light knocking sound
from the engine is not a cause for concern.
However, if the engine is heard making a heavy
knocking sound, see a dealer immediately. Use
of gasoline with an octane number lower than
recommended octane can cause engine failure
and may void the New Vehicle Limited Warranty...