Jeep GLADIATOR 2023 Owner's Manual page 336

334 SERVICING AND MAINTENANCE
Mileage Or Time Passed
(Whichever Comes First)
Or Years:
Or Kilometers:
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).
Change transfer case fluid if using your
vehicle for any of the following: police, taxi,
fleet, or frequent trailer towing.
Inspect and replace PCV valve if necessary.
Change front and rear axle fluid if using your
vehicle for police, taxi, fleet, off-road or
frequent trailer towing.
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
2 3 4 5 6
X X
X
X
7 8 9 10
X
X
X
11 12 13 14
X
X
X
15
X