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Mileage or time passed
(whichever comes first)
Inspect the brake linings, parking brake
function.
Inspect transfer case fluid.
Additional Maintenance
Replace engine air filter.
Replace spark plugs (5.7L engine).**
Flush and replace the engine coolant at
10 years or 150,000 miles (240,000 km)
whichever comes first.
Change automatic transmission fluid and
filter(s), if using your vehicle for police, taxi,
fleet, or frequent trailer towing.
Or Years:
2
3
Or Kilometers:
X
X
X
X
4
5
6
7
8
X
X
X
X
X
X
MAINTENANCE SCHEDULES 455
9
10
11
12
13
X
X
X
X
X
X
X
X
M
A
I
N
T
E
N
14
15
A
N
C
E
S
X
C
H
X
E
D
X
U
L
X
E
S
X
8
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