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Schedule "A"
Miles
(Kilometers)
[Months]
Change engine oil and engine oil filter.
Rotate tires.
Check spare tire for proper pressure and correct
stowage.
Check transfer case fluid level (4X4).
Lubricate Front Drive Shaft Fitting (2500/3500,
4X4).
Lubricate outer tie rod ends 2500/3500 (4X4) mod-
els only.
Inspect brake linings.
Inspect engine air cleaner filter, replace if neces-
sary.
Replace spark plugs.
6,000
12,000
(10 000)
(20 000)
[6]
[12]
X
X
X
X
X
X
X
X
X
X
SCHEDULE "A" 503
18,000
24,000
(30 000)
(40 000)
(50 000)
[18]
[24]
X
X
X
X
X
X
X
X
X
X
X
M
A
I
N
T
30,000
E
N
A
[30]
N
X
C
E
X
S
X
C
H
X
E
D
X
U
L
E
X
S
8
X
X
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