maintenance BUICK CENTURY 1993 Owner's Manual

Section A: Scheduled Maintenance Services
Using Your Maintenance Schedules These schedules are for vehicles that:
This section tells you the maintenance services
you carry passengers and cargo within recommended limits.
should have done and when you should schedule them. You will
find these limits on your vehicle’s Tire-
Your Buick dealer knows your vehicle best and wants you Loading Informatio\
n label. See “Loading Your
to be happy with it. If you go to your dealer for your Vehicle’’ in the Index.
service
needs, you’ll know that GM-trained and ~
supported service people will perform the work using
genuine
GM parts.
are driven on reasonable road surfhces within legal
use the recommended unleaded fuel. See “Fuel” in the
driving limits.
Index.
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Schedule I
Follow Schedule I if your vehicle is
MAINLY driven under one or more
of the following conditions:
When most trips are less than 4 miles
When most trips are less than
10 miles (16 km) and outside
temperatures remain below freezing.
When most trips include extended
idling and/or frequent low-speed
operation, as
in stop-and-go’ traffic.
(6 km).
When towing a trailer.
When operating in dusty areas.
Schedule I should also be followed if
the vehicle
is used for delivery
service, p?lice,
taxi or other
commercial applications.
* An Emission Control Service.
z2T The U.S. Environmental Protection Agency
has.determined that the failure to perform this
maintenance item will not nullify the emission
wamty
or limit recall liability prior to the
completion of vehicle useful life. General
Motors, however, urges that all recommended
maintenance services
be performed at the
indicated intervals and the maintenance be
recorded in “Section E: Maintenance Record.”
ITEM
NO.
TO BE SERVICED WHEN TO PERFORM
See “Explanation of Scheduled Maintenance Miles (kilometers) or Months
Services” following Schedules
I and D[. (whichever occurs first).
2 I Chassis Lubrication I Every other oil change.
Tire
and Wheel Rotation and Inspection At 6,000 Miles (10 000 km) and every 15,000
Miles (25 000 km) or as necessary. I
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Cooling System Service* Every 30,000 Miles (50 O00 km) or 24
Months. I
8 I Spark
Plug Replacement* I Every 30,000 Miles (50 000 km). I
EGR System Inspection** Every 30,000 miles (50 OOO km)
(2.2L LA Code 4 engine only)
12 I Fuel Tank, Cap and Lines Inspection** I Every 30,000 Miles (50 OOO km). I
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Schedule 11
Follow Schedule II ONLY if none of
the driving conditions specified in Schedule
I apply.
*An Emission Control Service.
I% The U.S. Environmental Protection Agency
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 vehicle useful life.
General
Motors, however, urges that all
recommended maintenance services be
performed at the indicated intervals
and the
maintenance be recorded in “Section E:
Maintenance Record.”
TO BE SERVICED ITEM
No’ See “Explanation of Scheduled Maintenance
Services” following Schedules
I and II.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever
occurs first).
4l
Tire and Wheel Rotation and Inspection
Cooling
System Service* Every 30,000 Miles (50 OOO km) or 24
Every 30,000 Miles (50 000 km).
lo I
Every 30,000 Miles (50 OOO km)
12 I Fuel Tank, Cap and Lines Inspection** I Every 30,000 Miles (50 000 km).
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Explanation of Scheduled Maintenance Services
Below are explanations of the services listed in Schedule
I and Schedule II.
The proper fluids and lubricants to use are listed in
Section
D. Make sure whoever services your vehicle uses
ITEM
NO. SERVICE
1 Engine Oil and Filter Change-Always use
SG Energy Conserving 11 oils of proper viscosity.
The “SG” designation may be shown alone or in
combination with others, such as ‘‘SG/CC:’
“SG/CD” or “SF, SG, CC:’ etc.
To determine the preferred viscosity for your
vehicle’s engine (e.g., SAE
5W-30 or SAE
10W-30), see “Engine Oil” in the Index.
2 Chassis Lubrication-Lubricate the transaxle
shift linkage, parking brake cable guides,
underbody contact points and linkage. If your
vehicle is equipped with grease fittings, lubricate
the suspension and steering linkage. these. All parts should be replaced and all necessary
repairs done before you or anyone else drives the vehicle.
NOTE: To determine your engine’s displacement and
code, see “Engine Identification” in the Index.
ITEM
NO. SERVICE
3 Throttle Body Mounting Bolt Torque (3300 V6
Code N Engine Only)*-Check the,torque of
the mounting bolts and/or nuts.
4 Tire and Wheel Rotation and Inspection-For
proper wear and maximum tire life, rotate your
tires following the instructions
in this manual.
See “Tires, Inspection & Rotation” in the Index.
Check the tires for uneven wear or damage. If
you see irregular or premature wear, check the
wheel alignment. Check for damaged wheels also.’
*An Emission Control Service.
~2 The U.S. Environmental Protection Agency 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 vehicle useful life. General Motors, however, urges that all recommended maintenance services be
performed at the indicated intervals and the maintenance be recorded in “Section E: Maintenance Record.”
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ITEM
NO. SERVICE
9 Spark Plug Wire Inspection**-Inspect for
bums, cracks or other damage. Check the boot
fit at the distributor and at the spark plugs.
Replace wires as needed.
10 Exhaust Gas Recirculation (EGR) System
Inspection (2.2L Code 4 engine only)**-
Conduct the EGR system service as described in
the service manual.
To purchase a service
manual, see “Service Publications” in the Index.
ITEM
NO. SERVICE
12
Air Cleaner Filter Replacement*-Replace
every
30,000 miles (50 OOO km) or more often
under dusty conditions. Ask your dealer for the
proper replacement intervals for your driving conditions.
Fuel %nk, Cap
and Lines Inspection* A-
Inspect fuel tank, cap and lines (including fuel
rails and injection assembly, if equipped) for
damage or leaks. Inspect fuel cap gasket for an
even filler neck imprint or any damage. Replace
parts as needed. Periodic replacement of the fuel
filter is not required.
*An Emission Control Service.
*The
U.S. Environmental Protection Agency 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 vehicle useful life. General Motors, however, urges that all recommended maintenance services be
performed at the indicated intervals and the maintenance be recorded in “Section E: Maintenance Record.”
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Section C: Periodic Maintenance Inspections
Listed below are inspections and services which should be performed at least\
twice a year (for instance, each spring
and M1). You should let your
GM dealer’s service department or other qualified service center do these jobs. Make
sure any necessary repairs are completed at once.
INSPECTION
OR SERVICE
Steering, Suspension
and Front-Wheel- Drive Axle Boot and
Seal Inspection
Exhaust System
Inspection
~~~~ ~~
Throttle Linkage
Inspection
WHAT SHOULD BE DONE
Inspect the front and rear suspension and steering system for \
damaged, loose or missing
parts, signs of wear, or lack
of lubrication. Inspect the power steering lines and hoses for
proper hookup, binding, leaks, cracks, chafing, etc. Clean and \
then inspect the drive axle
boot
seals for damage, tears or leakage. Replace seals if necessary.
Inspect the complete exhaust system. Inspect the body near the \
exhaust system. Look for
broken, damaged, missing or out-of-position parts as well as op\
en seams, holes, loose
connections, or other conditions which could cause a heat build\
-up in the
floor pan or could
let exhaust fumes into the vehicle. See “Engine Exhaust”
in the Index.
Inspect the throttle linkage for interference or binding, and f\
or damaged or missing parts.
Replace parts as needed.
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Section E: Maintenance Record
After the scheduled services are performed, record the
date, odometer reading and who performed the service in
the columns indicated. When completing the Maintenance Performed column, insert the numbers from the Schedule I or Schedule 11 maintenance charts which
correspond to the maintenance performed. Also, you should retain all maintenance receipts. Your owner
information portfolio is
a convenient place to store them.
DATE ODOMETER
READING SERVICED BY MAINTENANCE PERFORMED
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I MAINTENANCE PERFORMED '
I DATE I READING
ODOMETER I
SERVICED BY
2%
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DATE ODOMETER
READING SERVICED BY MAINTENANCE PERFORMED
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DATE ODOMETER
READING SERVICED BY MAINTENANCE PERFORMED
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