Buick 1993 LeSabre Owner's Manual page 284

Scheduled Maintenance Services Schedule I
Follow Schedule I if your car is MAINLY driven under one .or more of the following conditions:
When most trips are less than 4 miles (6 kilometers).
When most trips are less than 10 miles (16 kilometers) and outside temperatures remain below freezing.
When most trips include extended idling and/or frequent low-speed operation as in stop-and-go traffic.
Towing a trailer.*?
When operating in dusty areas.
Schedule I should also be followed if the car is used for delivery service, police, taxi or other commercial applications.
I I
MILES (000)
~ ~ ~~
TO BE SERVICED
Miles (kilometers) or
Scheduled Mzintenance
48 45 42 39 36 33 30 27
24 21 18 15 12 9 6 3
WHEN TO PERFORM
(See Explanation of
~ ~~ ~~
Services Following
Schedules I and 11)
Months, Whichever
Occurs First
Item No.
1. Engine Oil & Oil Filter Every 3 000 mi. (5000 km)
Change* or 3 months.
2. Chassis Lubrication
Every other oil change
3. Throttle Body Mounting
At
6 000 mi. (10 000 km)
~~
Bolt Torque*
only
4* Tire
& Inspection &
then every 15 000 mi.
(25 000
At 6 000 mi.
(
10 000 km) and
km) or as necessary
Rotation
5. Engine Accessory Drive
Every 30 000 mi.
Belt(s) Inspection* (50 000 km) or 24 months.
5 10
e .
e
e
e
20 25
e .
e
KILOMETERS (000)
30 35
m e
e
e
40 45
e m
e
50 55
m e
e
e
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