Special Additives; Fluid Level Check; Limited Warranty.- Page 397

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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NOTE:

No chemical flushes should be used in any trans-

mission; only the approved lubricant should be used.

CAUTION!

Using a transmission fluid other than the manufactur-
er’s recommended fluid may cause deterioration in
transmission shift quality and/or torque converter
shudder, and will require more frequent fluid and
filter changes. Refer to “Fluids And Lubricants” in
“Technical Specifications” for fluid specifications.

Special Additives

The manufacturer strongly recommends against using any

special additives in the transmission. Automatic Transmis-

sion Fluid (ATF) is an engineered product and its perfor-

mance may be impaired by supplemental additives. There-

fore, do not add any fluid additives to the transmission.

The only exception to this policy is the use of special dyes

for diagnosing fluid leaks. Avoid using transmission seal-

ers as they may adversely affect seals.

CAUTION!

Do not use chemical flushes in your transmission as
the chemicals can damage your transmission compo-
nents. Such damage is not covered by the New Vehicle
Limited Warranty.

Fluid Level Check

It is best to check the fluid level when the transmission is

at normal operating temperature (approximately 180°F/

82°C). This occurs after at least 15 miles (25 km) of driving.

At normal operating temperature, the fluid cannot be held

comfortably between the fingertips.
Use the following procedure to check the transmission

fluid level properly:
1. Park the vehicle on level ground.
2. Remove the engine cover by pulling it up off the

mounting studs (two in the front and two in the rear).

8

SERVICING AND MAINTENANCE

395

Detailed Information for 2018 Jeep Wrangler JK Owner Manual

Lists of information found in 2018 Jeep Wrangler JK Owner Manual - Page 397

  • 1. Park the vehicle on level ground.
  • 2. Remove the engine cover by pulling it up off the mounting studs (two in the front and two in the rear).

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