2003 Chevrolet Astro Owner's Manual - Page 325

2003 Chevrolet Astro Manual

Page 325 highlights

Long Trip/Highway Definition Follow this scheduled maintenance only if none of the conditions from the Short Trip/City Scheduled Maintenance are 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 Trip/City schedule for these conditions. Driving a vehicle with a fully warmed engine under highway conditions will cause engine oil to break down slower. Long Trip/Highway Intervals Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (orevery 12 months, whichever occurs first). Chassis Lubrication (or 12 months, whichever occurs first). Drive Axle Fluid Check. Tire Rotation. Every 15,000 Miles (25000 km): Automatic Transmission Service (severe conditions only). Every 30,000 Miles (50 000 km): Fuel Filter Replacement. Engine Air Cleaner Filter Replacement. Front Wheel Bearing Repack (two-wheel drive only) (or at each brake relining, whichever occurs first). Every 50,000 Miles (83000 km): Automatic Transmission Service (normal conditions). Transfer Case Fluid Change. Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150,000 Miles (240000 km): Cooling System Service (or every 60 months, whichever occurs first). Engine AccessoryDrive Belt Inspection. These intervals only summarize maintenance services. Be sure to follow the complete scheduled maintenance on the following pages. 6-6

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Long Trip/Highway Definition
Follow this scheduled
maintenance
only
if
none of
the conditions from the Short Trip/City Scheduled
Maintenance are 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 Trip/City
schedule
for these conditions.
Driving a
vehicle
with
a
fully
warmed engine under
highway conditions will
cause engine oil
to
break
down slower.
Long
Trip/Highway
Intervals
Every
7,500
Miles (12
500
km):
Engine Oil and Filter
Change
(or every
12
months,
whichever
occurs
first).
Chassis Lubrication (or
12
months,
whichever
occurs first). Drive Axle Fluid Check. Tire Rotation.
Every
15,000
Miles
(25
000
km):
Automatic
Transmission Service (severe conditions only).
Every
30,000
Miles
(50
000
km):
Fuel Filter
Replacement.
Engine
Air Cleaner Filter Replacement.
Front Wheel Bearing Repack (two-wheel drive
only)
(or at
each brake relining,
whichever
occurs
first).
Every
50,000
Miles
(83
000
km):
Automatic
Transmission Service (normal
conditions).
Transfer Case Fluid Change.
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).
Engine
Accessory Drive Belt Inspection.
These intervals
only
summarize
maintenance
services.
Be sure to follow the complete
scheduled
maintenance
on
the following pages.
6-6