spark plugs replace JEEP WRANGLER UNLIMITED 2013 Owners Manual
Page 619 of 655
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
150,000Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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
240,000Inspect the brake linings, parking
brake function. XXX 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
8 M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
SMAINTENANCE SCHEDULES 617