Jeep WRANGLER 2020 Owner's Manual page 38

36 SERVICING AND MAINTENANCE
Mileage or time passed (whichever comes first)
Or Years:
Or Kilometers:
Replace the air conditioning filter.
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
Replace accessory drive belt(s).
Change transfer case fluid.
WARNING!
You can be badly injured working on or

around a motor vehicle. Do only service
work for which you have the knowledge and
the right equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.
Failure to properly inspect and maintain your

vehicle could result in a component malfunc-
tion and effect vehicle handling and perfor-
mance. This could cause an accident.
1 2 3 4
X X
Additional Maintenance — B6 To B20
Biodiesel
NOTE:
Under no circumstances should oil change

intervals exceed 8,000 miles (12,875 km) or
6 months, whichever comes first when using
Biodiesel blends greater than 5% (B5).
5 6 7 8 9 10
X X
X
X
The owner is required to monitor mileage for

B6-B20 biodiesel, the automatic oil change
indicator system does not reflect the use of
biofuels.
Fuel filter change interval is maintained at

every second oil change. This is especially
important with biodiesel usage.
11 12 13 14 15
X X X
X
X