User Manual - Page 458

For 2019 Wrangler.

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456 SERVICING AND MAINTENANCE
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 operation or
more than 50% of your driving is
at sustained high speeds during
hot weather, above 90°F (32°C).
X X X X X
Change transfer case fluid if
using you
r vehicle for any of
the following: police, taxi, fleet,
or frequent trailer towing.
X X
Inspect and replace PCV valve
if nece
ssary.
X
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 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
240,000
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