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M
456 MAINTENANCE SCHEDULES
A
I
Mileage or time passed
N
(whichever comes first)
T
E
N
A
N
C
E
Change automatic transmission fluid and
S
filter.
C
H
Inspect the transfer case fluid, change for
E
any of the following: police, taxi, fleet, or
D
frequent trailer towing.
U
Change the transfer case fluid.
L
E
Inspect and replace PCV valve if necessary.
S
** The spark plug change interval is mileage based only,
8
yearly intervals do not apply.
Or Years:
2
3
Or Kilometers:
4
5
6
7
8
X
9
10
11
12
13
X
X
X
14
15
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