User Manual - Page 486

For 2019 Wrangler.

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484 SERVICING AND MAINTENANCE
(Continued)
Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically. Refer
to the “Maintenance Plan” in this section for the proper
maintenance intervals.
Fluid Level Check — Brake Master Cylinder
The fluid level of the master cylinder should be checked when-
ever the vehicle is serviced, or immediately if the brake system
warning
light is on. If necessary, add fluid to bring level within
the designated marks on the side of the reservoir of the brake
master cylinder. Be sure to clean the top of the master cylinder
area before removing cap. With disc brakes, fluid level can be
expected to fall as the brake pads wear. Brake fluid level
should be checked when pads are replaced. If the brake fluid is
abnormally low, check the system for leaks.
Refer to “Fluids And Lubricants” in “Technical Specifica-
tions” for further information.
WARNING!
Riding the brakes can lead to brake failure and possibly
a collis
ion. Driving with your foot resting or riding on
the brake pedal can result in abnormally high brake
temperatures, excessive lining wear, and possible brake
damage. You would not have your full braking capacity
in an emergency.
WARNING!
Use only manufacturer's recommended brake fluid.
Refer
to Fluids And Lubricants” in “Technical Speci-
fications” for further information. Using the wrong
t
ype of b
rake fluid can severely damage your brake
system and/or impair its performance. The proper type
of brake fluid for your vehicle is also identified on the
original factory installed hydraulic master cylinder
reservoir.
To avoid contamination from foreign matter or mois-
ture,
use only new brake fluid or fluid that has been in
a tightl
y closed container. Keep the master cylinder
reservoir cap secured at all times. Brake fluid in a open
container absorbs moisture from the air resulting in a
lower boiling point. This may cause it to boil unexpect
-
edly during hard or prolonged braking, resulting in
sudden
brake failure. This could result in a collision.
Overfilling the brake fluid reservoir can result in
spilli
ng brake fluid on hot engine parts, causing the
brake fluid to catch fire. Brake fluid can also damage
painted and vinyl surfaces, care should be taken to
avoid its contact with these surfaces.
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