Page 265 of 420

Section 6 Service and Appearance Care
Here you will find information about the care of your Buick. This section begins with service and fuel information,
and then it shows how to check important fluid and lubricant levels. There is also technical information about your
vehicle, and a part devoted to its appearance care.
6-2
6-3
6-9
6-12
6- 17
6-20
6-2
1
6-24
6-28
6-29
6-30
6-34
6-34
6-46
6-47 Service
Fuel Checking Things Under the
Hood
Engine Oil
Air Cleaner Supercharger Oil
Automatic Transaxle Fluid
Engine Coolant Radiator Pressure Cap
Windshield Washer Fluid
Brakes
Battery
Bulb Replacement
Windshield Wiper Blade Replacement
Tires 6-56
6-57
6-6
1
6-64
6-64
6-65
6-66
6-67
6-73
6-75 6-76
6-77
6-77
6-78
6-78 Appearance
Care
Cleaning the Inside
of Your Buick
Cleaning the Outside of Your Buick
Underbody Maintenance
Chemical Paint Spotting
Appearance Care Materials Chart
Vehicle Identification Number (VIN)
Electrical System
Removing the Rear Seat Cushion
Replacement Bulbs Capacities and Specifications
Air Conditioning Refrigerants
Engine Specifications Vehicle Dimensions
Normal Maintenance Replacement Parts
ProCarManuals.com
Page 266 of 420
Service
Your Buick dealer knows your vehicle best and wants
you to be happy with it. We hope you’ll go to your
dealer for all your service needs. You’ll get genuine GM
parts and GM-trained and supported service people.
We hope you’ll want to keep your GM vehicle all GM.
Genuine
GM parts have one of these marks:
Delco
Doing Your Own Service Work
If you want to do some of your own service work, you’ll
want to get the proper Buick Service Manual. It tells you
much more about how to service your Buick than this
manual can.
To order the proper service manual, see
“Service and Owner Publications” in the Index.
Your vehicle has an air bag system. Before attempting to
do your own service work,
see “Servicing Your Air
Bag-Equipped Buick” in the Index.
You should keep a record with all parts receipts and list
the mileage and the date of any service work you
perform. See “Maintenance Record” in the Index.
6-2
ProCarManuals.com
Page 267 of 420

You can be injured and your vehicle could be
damaged if you
try to do service work on a
vehicle without knowing enough about it.
Be sure you have sufficient knowledge,
experience, the proper replacement parts
and tools before you attempt any vehicle
maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English” and “metric”
fasteners can be easily confused.
If you use
the wrong fasteners, parts can later break
or fall off. You could be hurt.
Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the airflow around it. This may cause wind noise
and affect windshield washer performance. Check with
your Buick dealer before adding equipment to the
outside of your vehicle.
Fuel
The 8th digit of your vehicle identification number
(VIN) shows the code letter for your engine. You will
find the VIN at the top left of your instrument panel.
(See “Vehicle Identification Number” in the Index.)
If you have the 3800 engine
(VJN Code K), use regular
unleaded gasoline rated at 87 octane or higher.
If you’re
using fuel rated at the recommended octane or higher
and you still hear heavy knocking, your engine needs
service. But don’t worry
if you hear a little pinging
noise when you’re accelerating
or driving up a hill.
That’s normal, and you don’t have to buy a higher
octane fuel to get rid
of pinging. It’s the heavy, constant
knock that means you have a problem.
6-3
ProCarManuals.com
Page 268 of 420

If you have the 3800 Supercharged engine (VIN Code
l), use premium unleaded gasoline rated at 91 octane or
higher. With the
3800 Supercharged engine, in an
emergency, you may be able to use a lower octane
-- as
low as
87 -- if heavy knocking does not occur. If you
are using 91 or higher octane unleaded gasoline and you
hear heavy knocking, your engine needs service.
At a minimum, the gasoline you use should meet
specifications ASTM D4814 in the United States and
CGSB 3.5-M93 in Canada. Improved gasoline
specifications have been developed by the American
Automobile Manufacturers Association (AAMA) for
better vehicle performance and engine protection.
Gasolines meeting the AAMA specification could
provide improved driveability and emission control
system protection compared to other gasolines.
Be sure the posted octane for premium is at least 91 (at
least 89 for middle grade and
87 for regular). If the
octane is less than
87, you may get a heavy knocking
noise when you drive. If it’s bad enough, it can damage
your engine.
If your vehicle is certified to meet California Emission
Standards (indicated on the underhood tune-up label),
it is designed to operate on fuels that meet California
specifications.
If such fuels are not available in states
adopting California emissions standards, your vehicle
will operate satisfactorily on fuels meeting federal
specifications, but emission control system performance
may be affected. The malfunction indicator lamp on
your instrument panel may turn on and/or your vehicle
may fail a smog-check test. If this occurs, return to your
authorized Buick dealer for diagnosis to determine the
cause of failure. In the event it is determined that the
cause of the condition is the type of fuels used, repairs
may not be covered by your warranty.
Some gasolines that are not reformulated for low
emissions contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl (MMT);
ask your service station operator whether or not his fuel
contains MMT. General Motors does not recommend the
use of such gasolines. If fuels containing MMT are used,
spark plug life may be reduced and your emission
control system performance may be affected.
The
malfunction indicator lamp on your instrument panel
may turn
on. If this occurs, return to your authorized
Buick dealer for service.
6-4
ProCarManuals.com
Page 269 of 420

To provide cleaner air, all gasolines in the United States
are now required to contain additives that will help
prevent deposits from forming in your engine and fuel
system, allowing your emission control system to
function properly. Therefore, you should not have to add
anything to the fuel. In addition, gasolines containing
oxygenates, such as ethers and ethanol, and
reformulated gasolines may be available in your area to
help clean the air. General Motors recommends that you
use these gasolines if they comply with the
specifications described earlier.
I NOTICE:
Your vehicle was not designed for fuel that
contains methanol. Don’t use it. It can corrode
metal parts in your fuel system and also damage
plastic and rubber parts. That damage wouldn’t
be covered under your warranty.
Fuels in Foreign Countries
If you plan on driving in another country outside the
United States or Canada, the proper fuel may be hard to
find. Never use leaded gasoline or any other fuel not
recommended in the previous text
on fuel. Costly repairs
caused by use of improper fuel wouldn’t be covered by
your warranty.
To check on fuel availability, ask an auto club, or
contact a major oil company that does business in the
country where you’ll be driving.
You can also write us at the following address for
advice. Just
tell us where you’re going and give your
Vehicle Identification Number
(VIN).
General Motors International Product Center
1908 Colonel Sam Drive
Oshawa, Ontario
L1H 8P7
ProCarManuals.com
Page 270 of 420
Filling Your Tank
I
Gasoline vapor is highly flammable. It burns
violently, and that can cause very bad injuries.
Don’t smoke
if you’re near gasoline or refueling
your vehicle. Keep sparks, flames and
smoking
materials away from gasoline.
The cap is behind a hinged door on the driver’s side of
your vehicle.
6-6
ProCarManuals.com
Page 271 of 420
The release button for the
fuel door is to the left of the
steering column.
There is also a manual fuel
door release. This
mechanism
is located in the
top of the
tnxnk
compartment, on the
driver’s side of the vehicle.
Pull the white tab to release
the fuel door. While
refueling, hang the cap inside the fuel door. If necessary twist it clockwise to secure it.
To take off the cap, turn it slowly to the left
(counterclockwise).
6-7
ProCarManuals.com
Page 272 of 420
If you get gasoline on yourself and then
something ignites it, you could be badly burned.
Gasoline can spray out on you
if you open the
fuel filler cap too quickly. This spray can happen
if your tank is nearly full, and is more likely in
hot weather. Open the fuel filler cap slowly and
wait for any “hiss” noise to stop. Then unscrew
the cap all the way.
Be careful not to spill gasoline. Clean gasoline from
painted surfaces as soon as possible. See “Cleaning the
Outside
of Your Buick” in the Index. When
you put the cap back on, turn it to the right
(clockwise) until you hear a clicking sound. Make sure
you fully install the cap.
NOTICE:
If you need a new cap, be sure to get the right
type. Your dealer can get one for you.
If you get
the wrong type,
it may not fit or have proper
venting, and your fuel tank and emissions system
might be damaged.
6-8
ProCarManuals.com