Or Years:; Or Kilometers:; Mileage or time passed- Page 221

2018 Jeep Wrangler JL User Guide

Table of Contents

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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

Change front and rear axle fluid if using
your vehicle for police, taxi, fleet, off-road or
frequent trailer towing.

X

X

X

** The spark plug change interval is mileage
based only, yearly intervals do not apply.

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 com-
petent mechanic.

• Failure to properly inspect and maintain

your vehicle could result in a component
malfunction and effect vehicle handling
and performance. This could cause an
accident.

Heavy Duty Use Of The Vehicle

Change engine oil at 4,000 miles (6,500 km)
or 350 hours of engine run time if the vehicle
is operated in a dusty and off road environ-
ment or is operated predominately at idle or
only very low engine RPM’s. This type of
vehicle use is considered Severe Duty.

219

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  • You can be badly injured working on or around a motor vehicle.
  • Failure to properly inspect and maintain your vehicle could result in a component malfunction and effect vehicle handling and performance.

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