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GMC 1998 Safari - Long Tripmighway Definition

GMC 1998 Safari
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Maintenance Schedule
I
Short
Trip/City
Intervals
.I
Every
100,000
Miles
(166
000
km):
Spark Plug Wire
Inspection. Spark Plug Replacement. Positive
Crankcase Ventilation (PCV) Valve Inspection.
Every
150,000
Miles
(240
000
km):
Cooling System
Service (or every
60
months, whichever occurs first).
These intervals
only
summarize maintenance services.
Be sure
to
follow the complete maintenance schedule
on
the following pages.
I
Long
Trip/Highway Definition
I
Follow this maintenance schedule
only
if none
of
the
conditions from the Short TripKity Maintenance
Schedule is true.
Do
not use this schedule if
the
vehicle
is used for trailer towing, driven in a dusty area or used
off paved roads. Use the Short TripKity schedule for
these conditions.
Driving a vehicle with a fully warmed engine
under highway conditions causes engine oil to
break down slower.
7-6

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