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M
420 SCHEDULE "B"
A
I
Miles
N
T
(Kilometers)
E
Change engine oil and engine oil filter at in-
N
terval shown or 3 months, whichever comes
A
N
first.
C
Lubricate Front Drive Shaft Fitting (2500/
E
3500, 4X4).
S
Rotate tires.
C
Lubricate outer tie rod ends 2500/3500 (4X4)
H
E
models only.
D
Drain and refill transfer case fluid (4X4).
U
L
Change rear axle fluid.
E
Change front axle fluid (4X4).
S
Change 6-spd manual transmission fluid
8
2500/3500 models only.
Inspect brake linings.
Inspect engine air cleaner filter, replace if
necessary.
105,000
108,000
111,000
(168 000)
(173 000)
(178 000) (182 000) (187 000) (192 000)
X
X
X
X
X
X
X
X
X
X
114,000
117,000
X
X
X
X
X
X
X
X
120,000
X
X
X
X
X
X
X
X
X
X
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