Engine Oil - Jeep WRANGLER 2020 Owner's Manual

322 SERVICING AND MAINTENANCE

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.
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.
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.
CAUTION!
Failure to use the recommended SN PLUS or
equivalent oil can cause engine damage not
covered by the vehicle warranty.
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.