Jeep 2013 Wrangler - Manual (Page 622)

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 1
10,000
120,000 130,000 140,000 150,000
Or 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 1
12,000
128,000 144,000 160,000 176,000 192,000 208,000 224,000 240,000
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.
X X X
** The spark plug change interval is mileage based only,
yearly intervals do not apply.
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
620 MAINTENANCE SCHEDULES