221
Flush and replace the engine
coolant
at
10
years
or
150,000 miles
(240,000 km)
whichever comes first.
X
X
Inspect the transfer case fluid,
change for any of the following:
police, taxi, fleet, or frequent trailer
towing.
X
X
Change the transfer case fluid.
X
Inspect and replace PCV valve if
necessary.
X
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
Mileage or time passed
(whichever comes first)
20
,0
00
30
,0
00
40
,0
00
50
,0
00
60
,0
00
70
,0
00
80
,0
00
90
,0
00
10
0,0
00
11
0,0
00
12
0,0
00
13
0,0
00
14
0,0
00
15
0,0
00
Or Years:
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Or Kilometers:
32
,0
00
48
,0
00
64
,0
00
80
,0
00
96
,0
00
11
2,0
00
12
8,0
00
14
4,0
00
16
0,0
00
17
6,0
00
19
2,0
00
20
8,0
00
22
4,0
00
24
0,0
00
2019_RAM_2500_3500_UG_USA=GUID-8BBFE451-BF24-4E82-808A-AE2460D39A05=1=en=.book Page 221
Summary of Contents for 2500 2019
Page 1: ...2019 USER GUIDE RAM 2500 3500...
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