Jeep 2013 Wrangler - User Guide - Manual (Page 115)

Mileage
or
time
passed
(whichever
comes
first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or
Y
ears:
23456789
1
0
1
1
1
2
1
3
1
4
1
5
Or
Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Change
the
manual
transmission
fluid
if
using
your
vehicle
for
any
of
the
following:
trailer
towing,
snow
plowing,
heavy
loading,
taxi,
police,
delivery
service
(commercial
service),
off-road,
desert
opera-
tion
or
more
than
50%
of
your
driving
is
at
sustained
high
speeds
during
hot
weather
,
above
90°F
(32°C).
XXX
X
X
Change
transfer
case
fluid
if
using
your
vehicle
for
any
of
the
following:
police,
taxi,
fleet,
or
frequent
trailer
towing.
XX
Inspect
and
replace
PCV
valve
if
necessary
.
X
Change
front
and
rear
axle
fluid
if
using
your
vehicle
for
police,
taxi,
fleet,
off-road
or
frequent
trailer
towing.
XX
X
**
The
spark
plug
change
interval
is
mileage
based
only
,
yearly
intervals
do
not
apply
.
W
ARNING!
•
Y
ou
can
be
badly
injured
working
on
or
around
a
motor
vehicle.
Do
only
service
work
for
which
you
have
the
knowledge
and
the
right
equipment.
If
you
have
any
doubt
about
your
ability
to
perform
a
service
job,
take
your
vehicle
to
a
competent
mechanic.
•
Failure
to
properly
inspect
and
maintain
your
vehicle
could
result
in
a
component
malfunction
and
effect
vehicle
handling
and
performance.
This
could
cause
an
accident.
MAINTAINING YOUR VEHICLE
113