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Miles 78,000 81,000 84,000 87,000 90,000
(Kilometers) (125 000) (130 000) (134 000) (139 000) (144 000)
Change engine oil and engine oil filter. X X X X X
Change rear axle fluid. X
Change front axle fluid (4X4). X
Check transfer case fluid level (4X4). X
Inspect brake linings. X
Inspect engine air cleaner filter, replace if neces-
sary.
X
Replace spark plugs. X
Inspect PCV valve, replace as necessary.* X
Inspect auto tension drive belt and replace if re-
quired.
X
Drain and refill automatic transmission fluid and
change main sump and cooler return filter (if
equipped) (4.7L).
X
SCHEDULE “B” 271
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S