Buick 1993 Roadmaster Owner's Manual page 304

Scheduled Maintenance Services Schedule I
Follow Schedule'I if your
car
is MAINLY driven under one or more of the following conditions:
0
When most trips are less than 4 miles (6 kilometers).
e -When most trips are' less than 10 miles (16 kilometers) and outside temperatures remain below freezing.
.e When mosttrips include extended idling and/oi- frequent low-speed operation as in stop-and-go traffic.
e Towing a trailer.*?
0
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.
TO~BE SERVICED
WHEN TO PERFORM
(See Explanation of
Scheduled Maintenance
Miles (kilometers) or
Services Following
Months, Whichever
Schedules I and 11j
Occurs First
I
1. Engine Oil & Oil Filter Every 3 000 mi. (5000 km)
Change* or 3 months.
I
2. Chassis Lubrication
I
Every other oil change
I
3. Throttle Body Mounting At 6 OQd)..mi,~10~000 km)
Bolt Torque*
I
At 6,000 mi. (10 000 km) and
km)
or
as
necessary
4.
Tire
8 L Inspection
'
then every 15 000 mi. (25 000
Rotation
5. Engine Accessory Drive
Belt(s) Inspection" Every 30 000 mi.
(50 000 km) or 24 months.
MILES (000)
I
LO 10 15
0
0
0
20 25
0 0
.
KILOMETER;
35 40 45
0 0 0
0
0
000)
50 55 60 65
0 0 0 .
0
a
0
0
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