User Manual - Page 309

For 2020 Wrangler.

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SERVICING AND MAINTENANCE 307
Replace Spark Plugs – 2.0L Engine
1
X X
Replace spark plugs – 3.6L Engine
2
X
Flush and replace the engine,
intercooler (if equipped), battery (if
equipped), and Motor Generator Unit
(MGU) (if equipped) coolant at 10 years
or 150,000 miles (240,000 km)
whichever comes first
X X
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
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
7
20_JL_OM_EN_USC_t.book Page 307
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