User Manual - Page 248

For 2020 JEEP WRANGLER.

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246 SERVICING AND MAINTENANCE
PRESSURE WASHING
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
Refer to “Scheduled Servicing” in this section for the
proper maintenance intervals.
NOTE:
Under no circumstances should oil change intervals
exceed 10,000 miles (16,000 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.
Engine Oil Selection — 2.0L Engine
For best performance and maximum protection under all
types of operating conditions, the manufacturer only
recommend engine oils that are API SN PLUS certified and
meet the requirements of FCA Material Standard
MS-13340. An equivalent full synthetic engine oil can be
used if it meets API SN PLUS Certification. If SN PLUS or
equivalent oil is unavailable then please contact your local
dealership for recommendation.
Engine Oil Selection — 3.6L 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 requirements of FCA Material Standard MS-6395.
American Petroleum Institute (API) Engine
Oil Identification Symbol
This symbol means that the oil has been
certified by the American Petroleum Institute
(API). The manufacturer only recommends API
Certified engine oils.
This symbol certifies 0W-20, 5W-20, 0W-30, 5W-30 and
10W-30 engine oils.
Engine Oil Viscosity — 2.0L Engine
Mopar API SN PLUS Certified SAE 5W-30 Full Synthetic
Engine Oil which meets the requirements of FCA Material
Standard MS-13340 is recommended for all operating
temperatures. This engine oil improves low temperature
starting and vehicle fuel economy.
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine
Compartment” illustration in this section.
Lubricants which do not have both the engine oil
certification mark and the correct SAE viscosity grade
number should not be used.
CAUTION!
Cleaning the engine compartment with a high pressure
washer is not recommended. 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.
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.
CAUTION!
Failure to use the recommended SN PLUS or equivalent
oil can cause engine damage not covered by the vehicle
warranty.
20_JL_OM_EN_USC_t.book Page 246
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