Jeep GLADIATOR 2020 User Manual page 204

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Mileage or time passed
(whichever comes first)
Or Years:
Or Kilometers:
Replace
spark
plugs
1
Engine.
Flush and replace the engine
coolant
at
10
150,000 miles
(240,000 km),
whichever comes first.
Change the manual transmission
fluid if using your vehicle for any
of the following: trailer towing,
snow plowing, heavy loading, taxi,
police,
delivery
(commercial
service),
desert operation or more than
50%
of
your
driving
sustained high speeds during hot
weather, above 90°F (32°C).
Change transfer case fluid if using
your
vehicle for
any
following: police, taxi, fleet, or
frequent trailer towing.
202
2
3
3.6L
years
or
service
X
off-road,
is
at
of
the
4
5
6
7
X
X
8
9
10
11
X
X
X
12
13
14
15
X
X
X
X

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