GMC 1998 Safari Owner's Manual page 364

Long Trip/Highway Maintenance Schedule
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7,500 Miles (12
500
km)
I7
Change
engine oil m c l €iltw (or every 12
mmths,
whichever
occurs first).
An Emission Control
Sewice.
DATE
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I
MILEAGE
ACTUAL
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SERVICEDBY:
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