Long Trip/Highway Definition - Buick LESABRE 1997 Manual

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Maintenance Schedule
1
Long: Trip/Highwav Definition
Follow this maintenance schedule only if none of the
conditions from the Short Trip/City 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 Trip/City schedule for
these conditions.
Driving
a
vehicle with a fully warmed engine under-
highway conditions causes engine oil to break
down slower:
E
~
Every 7,500 Miles (12 500 km): Engine Oil and Filter
Change (or every 12 months, whichever occurs first).
Chassis Lubrication (or every 12 months, whichever
occurs first). Tire Rotation.
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Fuel Tank, Cap and Lines Inspection.
Every 50,000 Miles (83 000 km): Automatic Transaxle
Service (severe conditions only).
Every 60,000 Miles (100 000 km): Engine Accessory
Every 100,000 Miles
(166 000
km): Spark Plug Wire
Every 150,000 Miles (240 000 km): Cooling System
Drive Belt Inspection.
Inspection. Spark Plug Replacement.
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
7-6

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