SERVICING AND MAINTENANCE
61
Flush and replace the engine,
power electronics, and battery
coolant at 10 years or
150,000 miles (240,000 km)
whichever comes first.
X
X
Change transfer case fluid if
using your vehicle for any of
the following: police, taxi,
fleet, or frequent trailer
towing.
X
X
Inspect and replace PCV valve
if necessary.
4
X
1. See “Severe Duty Conditions” in this section.
2. DOT 4 brake fluid is time based only; mileage intervals do not apply.
3. The spark plug change interval is mileage based only; yearly intervals do not apply.
4. This maintenance is recommended by the manufacturer to the owner, but is not required to maintain emissions warranty.
Mileage or time passed
(whichever comes first)
7,
50
0
15
,0
00
22
,5
00
30
,0
00
37
,5
00
45
,0
00
52
,5
00
60
,0
00
67
,5
00
75
,0
00
82
,5
00
90
,0
00
97
,5
00
10
5,
00
0
11
2,
50
0
12
0,
00
0
12
7,
50
0
13
5,
00
0
14
2,
50
0
15
0,
00
0
Or Months:
12 24 36 48 60 72 84 96 108 120 132 144 156 168 180 192 204 216 228 240
Or Kilometers:
12
,0
00
24
,0
00
36
,0
00
48
,0
00
60
,0
00
72
,0
00
84
,0
00
96
,0
00
10
8,
00
0
12
0,
00
0
13
2,
00
0
14
4,
00
0
15
6,
00
0
16
8,
00
0
18
0,
00
0
19
2,
00
0
20
4,
00
0
21
6,
00
0
22
8,
00
0
24
0,
00
0
6
21_JL_H_SU_EN_EU_t.book Page 61
Содержание WRANGLER 2020
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Страница 461: ...HYBRID SUPPLEMENT WRANGLER...
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