Jeep Wrangler 2013 Owner's Manual page 627

Mileage or time passed
(whichever comes first)
Or Years:
Or Kilometers:
Additional Maintenance
Replace engine air cleaner filter.
Replace spark plugs **
Replace the ignition cables.
Flush and replace the engine
coolant at 10 years or
150,000 miles (240,000 km)
whichever comes first.
2 3 4 5 6
X X
MAINTENANCE SCHEDULES 625
7 8 9 10 11
X
X
X
X
M
12 13 14 15
X X
X
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
8