2002 BUICK LESABRE Owner's Manual

Short Trip/City Scheduled Maintenance
7-17
69,000 Miles (115 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)
72,000 Miles (120 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
75,000 Miles (125 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Inspect engine air cleaner filter if you are driving in dusty conditions. Replace
filter if necessary.
An Emission Control Service. (See footnote
.)
If Equipped: Replace passenger compartment air filter.
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Short Trip/City Scheduled Maintenance
7-18
78,000 Miles (130 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
81,000 Miles (135 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)
84,000 Miles (140 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
87,000 Miles (145 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)
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Short Trip/City Scheduled Maintenance
7-19
90,000 Miles (150 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

If Equipped: Replace passenger compartment air filter.

Replace engine air cleaner filter.
An Emission Control Service.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
93,000 Miles (155 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)
96,000 Miles (160 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
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Short Trip/City Scheduled Maintenance
7-20
99,000 Miles (165 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service. (See footnote *.)
100,000 Miles (166 000 km)

Inspect spark plug wires.
An Emission Control Service.

Replace spark plugs.
An Emission Control Service.

Change automatic transaxle fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly reaches 90
F
(32
C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you haven't used your vehicle under severe service conditions listed
previously and, therefore, haven't changed your automatic transaxle fluid,
change both the fluid and filter.
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Short Trip/City Scheduled Maintenance
7-21
150,000 Miles (240 000 km)

Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
cooling system and pressure cap.
An Emission Control Service. ACTUAL
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Long Trip/Highway Scheduled Maintenance
7-22
The services shown in this schedule up to 100,000 miles
(166 000 km) should be repeated after 100,000 miles
(166 000 km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240 000 km) should be repeated at the same
interval after 150,000 miles (240 000 km) for
the life of this vehicle.
See ªOwner Checks and Servicesº and ªPeriodic
Maintenance Inspectionsº following.Footnotes

The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
* If your vehicle has the GM Oil Life System, a
computer system lets you know when to change the
engine oil and filter. This is based on engine revolutions
and engine temperature, and not on mileage. Based on
driving conditions, the mileage at which an oil change
will be indicated can vary considerably. For the oil life
system to work properly, you must reset the system every
time the oil is changed.

Long Trip/Highway Scheduled Maintenance
7-23
When the system has calculated that oil life has been
diminished, it will indicate that an oil change is
necessary. A CHANGE ENGINE OIL SOON message
will come on. Change your oil as soon as possible
within the next two times you stop for fuel. It is possible
that, if you are driving under the best conditions, the oil
life system may not indicate that an oil change is
necessary for over a year. However, your engine oil and
filter must be changed at least once a year and at this
time the system must be reset. It is also important to
check your oil regularly and keep it at the proper level.If the system is ever reset accidentally, you must change
your oil at 3,000 miles (5 000 km) since your last oil
change. Remember to reset the oil life system whenever
the oil is changed. See ªOil Life Systemº in the Index
for information on resetting the system.
@ Whenever the tires are rotated, the Check Tire
Pressure System (if equipped) must be reset.
+ A good time to check your brakes is during tire
rotation. See ªBrake System Inspectionº under
ªPeriodic Maintenance Inspectionsº in Part C of
this schedule.

Long Trip/Highway Scheduled Maintenance
7-24
7,500 Miles (12 500 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
15,000 Miles (25 000 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

If Equipped: Replace passenger compartment air filter.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
22,500 Miles (37 500 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service. (See footnote *.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
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