Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (77 000) (82 000) (86 000) (91 000) (96 000)
Change engine oil and engine oil filter. X X X X X
Lubricate outer tie rod ends 2500/3500 (4X4) mod-
els only.
XX
X
Drain and refill transfer case fluid (4X4). X
Change rear axle fluid. X
Change front axle fluid (4X4). X
Inspect brake linings. X X
Inspect engine air cleaner filter, replace if neces-
sary.
X
Replace spark plugs. X
Replace ignition cables. X
Inspect PCV valve, replace as necessary. X*
Drain and refill automatic tranmission fluid and
change main sump filter (45RFE/545RFE only).
X
SCHEDULE “B” 391
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
