Schedule I Definition; Schedule I Intervals - Buick 1995 Century Owner's Manual

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Maintenance Schedule
J
Schedule I Definition
Follow Maintenance Schedule I if any one of these is
true for your vehicle:
Most trips are less than 5
t o
10 miles (8
t o
16 k m ) .
This is particularly important when outside
temperatures are below freezing.
Most trips include extensive idling (such as frequent
driving in stop-and-go traffic).
Most trips are through dusty areas.
e You frequently tow a trailer or use
; I
carrier on top of
your car.
0
You frequently tow a trailer or use a carrier on top of
your car. (With some models, you should never tow a
trailer. See "Towing a Trailer" i n the Index.)
Schedule I should also be followed if the vehicle
is
used for
delivery service. police, taxi, or other comn1ercial applicattion.
Schedule I Intervals
Every 3,000 Miles (5 000 km) or 3 Months,
Whichever Occurs First.
Engine Oil and Filter Change
Schedule I Intervals
Every 6,000 Miles (10 000 km) or 6 months,
Whichever Occurs First.
Chassis Lubrication
At 6,000 Miles (10 000 km)
-
Then Every
12,000 Miles (25 000 km)
Every 15,000 Miles (25 000 km)
Tire Rotation
Air Cleaner Filter Inspection, if driving in dusty
conditions
Every 30,000 Miles (50 000 km)
Air Cleaner Filter Replacement
Spark Plug Replacer-nent (Except
2.2L Code 4 engine)
Spark Plug Wire Inspection
Fuel Tank. Cap and Lines Inspection
Exhaust Gas Recirculation (EGR) System Inspection
Engine Accessory Drive Belt Inspection (or every
Cooling System Service (or every
24 months,
(2.2L Code 4 engine only)
24 months, whichever occurs first)
whichever occurs first)
Every 50,000 Miles (83 000 km)
Every 100,000 Miles (166 000 km)
Automatic Transaxle Service (severe conditions only)
Spark Plug Replacement (2.2L Code 4 engine Only)
7-4

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