2013 JEEP WRANGLER Owners Manual

Page 593 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual Engine Coolant Level
The coolant bottle provides a quick visual method for
determining that the coolant level is adequate. With the
engine idling, and warm to normal operating tempera-
ture, the level

Page 594 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual •If frequent engine coolant (antifreeze) additions are
required, the cooling system should be pressure tested
for leaks.
•
Maintain engine coolant (antifreeze) concentration at a
minimum of 50% OA

Page 595 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual Brake Master Cylinder
The fluid level in the master cylinders should be checked
whenever the vehicle is serviced. If necessary, add fluid
to bring level to the full level mark on the side of the
reser

Page 596 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual WARNING!(Continued)
•Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts, causing
the brake fluid to catch fire. Brake fluid can also
damage painted and viny

Page 597 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual Special Additives
The manufacturer strongly recommends against using
any special additives in the transmission.
Automatic Transmission Fluid (ATF) is an engineered
product and its performance may be i

Page 598 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual 4. Place the shift lever momentarily into each gear posi-tion (allowing time for the transmission to fully en-
gage in each position), ending with the shift lever in
PARK.
5. Remove the dipstick, wipe

Page 599 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual CAUTION!
If the fluid temperature is below 50° F (10° C), it may
not register on the dipstick. Do not add fluid until
the temperature is elevated enough to produce an
accurate reading. Run the engin

Page 600 of 666

JEEP WRANGLER 2013 JK / 3.G Owners Manual Fluid Level Check
Check the fluid level by removing the fill plug. The fluid
level should be between the bottom of the fill hole and a
point not more than 3/16 in (4.76 mm) below the bottom
of the hol