User Manual - Page 316

For 2020 Wrangler.

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314 SERVICING AND MAINTENANCE
Engine Oil
Change Engine Oil — Gasoline Engine
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 require-
ments 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 recommenda-
tion.
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 require-
ments 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 Petro-
leum Institute (API). The manufac-
turer 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 (SAE Grade) — 2.0L
Engine
Mopar API SN PLUS Certified SAE 5W-30 Full
Synthetic Engine Oil which meets the require-
ments 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 recom-
mended 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.
Engine Oil Viscosity (SAE Grade) — 3.6L
Engine
Mopar SAE 0W-20 engine oil approved to FCA
Material Standard MS-6395 such as Pennzoil,
Shell Helix or equivalent 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 recom-
mended engine oil viscosity for your engine. For
information on engine oil filler cap location,
refer to the “Engine Compartment” illustration
in this section.
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 314
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