Maintenance
Chart
Refer
to
the
Maintenance
Schedules
on
the
following
pages
for
the
required
maintenance
intervals.
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
Additional
Inspections
Inspect
the
CV/Universal
joints.
X
X
X
X
X
X
X
Inspect
front
suspension,
tie
rod
ends,
and
replace
if
necessary
.
XXXXX
XX
Inspect
the
front
and
rear
axle
fluid.
X
X
X
X
Inspect
the
brake
linings,
parking
brake
function.
X
X
X
X
X
X
X
Inspect
transfer
case
fluid.
X
X
X
Additional
Maintenance
Replace
engine
air
cleaner
filter
.
X
X
X
X
X
Replace
spark
plugs
**
X
Replace
the
ignition
cables.
X
Flush
and
replace
the
engine
coolant
at
10
years
or
150,000
miles
(240,000
km)
whichever
comes
first.
XX
Change
automatic
transmission
fluid
and
filter
if
using
your
vehicle
for
any
of
the
following:
trailer
towing,
snow
plowing,
heavy
loading,
taxi,
police,
delivery
service
(commercial
service),
off-road,
desert
operation
or
more
than
50%
of
your
driving
is
at
sustained
high
speeds
during
hot
weather
,
above
90°F
(32°C).
X
Change
the
automatic
transmission
fluid
and
filter(s).
X
MAINTAINING YOUR VEHICLE
112
Summary of Contents for 2013 Wrangler Unlimited
Page 1: ...User Guide 2013 Wrangler Includes Wrangler Unlimited...
Page 6: ...Rollover Warning INTRODUCTION WELCOME 4...
Page 8: ...DRIVER COCKPIT CONTROLS AT A GLANCE 6...
Page 40: ...YOUR VEHICLE S SOUND SYSTEM ELECTRONICS 38...
Page 41: ...ELECTRONICS 39...
Page 109: ...ENGINE COMPARTMENT 3 6L Engine MAINTAINING YOUR VEHICLE 107...
Page 117: ...FUSES Integrated Power Module fuses MAINTAINING YOUR VEHICLE 115...