Engine Oil; Change Engine Oil — Gasoline Engine; Gasoline Engine Oil Selection- Page 374

2018 Jeep Wrangler JK Owner Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
SAFETY
OCCUPANT RESTRAINT SYSTEMS
STARTING AND OPERATING
SERVICING AND MAINTENANCE
MULTIMEDIA
UCONNECT PHONE — IF EQUIPPED
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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

Change Engine Oil — Gasoline Engine

Refer to “Scheduled Servicing” in this section for the

proper maintenance intervals.

NOTE:

Under no circumstances should oil change inter-

vals 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.

Gasoline Engine Oil Selection

For best performance and maximum protection under all

types of operating conditions, the manufacturer only rec-

ommends 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 Pe-

troleum Institute (API). The manu-

facturer only recommends API Cer-

tified 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 (SAE Grade) — 3.6L Engine

Mopar SAE 5W-20 engine oil approved to FCA Material

Standard MS-6395 such as Pennzoil, Shell Helix or equiva-

lent is recommended for all operating temperatures. This

engine oil improves low temperature starting and vehicle

fuel economy.

372

SERVICING AND MAINTENANCE

Detailed Information for 2018 Jeep Wrangler JK Owner Manual

Lists of information found in 2018 Jeep Wrangler JK Owner Manual - Page 374

  • 95. American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Pe- troleum Institute (API).
  • 3.6L Engine Mopar SAE 5W-20 engine oil approved to FCA Material Standard MS-6395 such as Pennzoil, Shell Helix or equiva- lent is recommended for all operating temperatures.

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