Jeep GRAND CHEROKEE L 2023, Owner'S Manual

Page: 335 / 424

SERVICING AND MAINTENANCE 333
Inspect accessory drive belt tensioner
and pulley, replace if necessary.
X
Change transfer case fluid - Normal
Usage.
X
Change transfer case fluid — Severe
Usage (police, taxi, fleet, off-road, or
frequent trailer towing.)
X X
Replace PCV valve. 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.
8
23_WL_OM_EN_USC_t.book Page 333