Jeep Gladiator 2021, Owner'S Manual

Page: 389 / 484

SERVICING AND MAINTENANCE 387
Change front and rear axle fluid if using
your vehicle for police, taxi, fleet, off-road
or frequent trailer towing.
X X X
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
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
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 malfunction and affect vehicle handling and performance. This
could cause an accident.
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