
Part D: Recommended Fluids
and Lubricants
NOTE: Fluids and lubricants identified below by name, part
number or specification may be obtained from your dealer.
USAGE
Engine Oil
Engine Coolant
Hydraulic Brake
System
Power Steering System
FLUIDLUBRICANT
Engine Oil with the American
Petroleum Institute Certified For
Gasoline Engines “Starburst”
symbol of the proper viscosity.
To
determine the preferred viscosity
for your vehicle’s engine, see
“Engine Oil”
in the Index.
50/50 mixture of clean water
(preferably distilled) and use only
GM Goodwrench@ DEX-COOL@
or Havoline@ DEX-COOL@
Coolant. See “Engine Coolant”
in
the Index.
Delco Supreme
1 1 @ Brake Fluid
(GM Part
No. I2377967 or
equivalent
DOT-3 Brake Fluid).
GM Power Steering Fluid (GM
Part
No. 1052884 - 1 pint,
1050017
- 1 quart, or equivalent).
USAGE
Automatic
Transaxle
Key Lock
Cylinders
Supercharger
Windshield
Washer Solvent
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor
and Release
Pawl
Hood and Door
Hinges
Weatherstrip
Conditioning;
FLUIDLUBRICANT
DEXRON@-I11 Automatic
Transmission Fluid.
Multi-Pu ose Lubricant,
Superlube
% (GM Part
No. 12346241 or equivalent).
Supercharger
Oil (GM Part
No. 12345982). See “Supercharger
Oil” in the Index.
GM Optikleen@ Washer Solvent
(GM Part
No. 1051515) or
equivalent.
Lubriplate@ Lubricant Aerosol
(GM Part
No. 12346293 or
equivalent) or lubricant meeting
requirements
of NLGI # 2,
Category LB or GC-LB.
Multi-Pu ose Lubricant,
Superlube
T$ (GM Part
No. 12346241 or equivalent).
Dielectric Silicone Grease (GM
Part
No. 12345579 or equivalent).
7-19
ProCarManuals.com

1998 BUCK SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with your check, money order,
or credit card information to Helm, Incorporated (address below.)
CURRENT
PUBLICATIONS FOR 1998 BUICK
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc.
RETAIL SELL PRICE:
$90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
1998 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE:
$40.00
SERVICE BULLETINS
Service Bulletins give technical service informarlon needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL
TO:
Helm, Incorporated P.O. Box 07130 Detroit, MI 48207
OWNER’S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about the
vehicle. The owner’s manual will include the Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner’s Manual and
Warranty Booklet. RETAIL SELL PRICE: $1
5.00
Without Portfolio: Owner’s Manual only. RETAIL SELL PRICE:
$1 0.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name of the vehicle.
OR ORDER TOLL FREE: 1-800-782-4356
Monday-Friday 8:OO AM - 6:OO PM Eastern Time
For Credit Card Orders Only (VISA-Mastercard-Discover)
ProCarManuals.com

Section 9 Index
Accessory Power Receptacle ..................... 2-52
Adding Equipment to the Outside of Your Vehicle ...... 6-3
Air Bag How Does it Restrain
.......................... 1-23
How it Works
................................ 1-21
Location
............................... 1.21. 1-22
Readiness Light
......................... 1.21. 2.60
Servicing
................................... 1-25
System
..................................... 1-19
What Makes it Inflate
.......................... 1-23
What Will You See After
it Inflates ............... 1-24
When Should it Inflate
......................... 1-23
Aircleaner
.................................... 6-17
Air Conditioning
........................ 3.3.3.6. 3.9
Air Conditioning Refrigerants
..................... 6-69
Alarm. Instant
................................. 2- 12
Alignment and Balance. Tire
...................... 6-46
Aluminum or Chrome Wheels. Cleaning
............. 6-54
AM-FM Stereo with Cassette Tape and Compact Disc Player
with Automatic Tone Control
.................... 3-20
AM-FM Stereo with Cassette Tape Player ........... 3-13
AM-FM Stereo with Cassette Tape Player and Automatic
Tonecontrol
................................. 3-16
Antenna Backglass
................................... 3-31
FixedMast .................................. 3-31 Antifreeze
..................................... 6-23
Anti-Lock Brake System Active Light
................. 2.63. 4.9
Brake System Warning Light
................ 2.62. 4.7
Brakes ...................................... 4-7
Anti-Theft, Radio
.............................. 3-25
Appearancecare
............................... 6-51
Appearance Care Materials
....................... 6-59
Arbitration Program
.............................. 8-7
Ashtrays ...................................... 2-50
Astroroof
..................................... 2-53
Audio Controls, Steering Wheel Touch Control
....... 3-28
Audio Equipment, Adding ........................ 3-29
Audio Systems
................................. 3-12
Audio Systems, Tips
............................ 3-29
Auto-Down Window
............................ 2-33
Automatic
Headlamp Control
............................ 2-42
Overdrive
(a) .......................... 2-24, 2-25
Power Door Locks ............................. 2-7
Transaxlecheck .............................. 7-15
Transaxle Fluid
............................... 6-20
Transaxle Operation
........................... 2-22
Transaxle PARK (P) Mechanism Check
........... 7-17
Using
....................................... 4-9
9-1
.
ProCarManuals.com

Inspections Brakesystem
................................ 7-18
Exhaust Systems
............................. 7- 18
Front Drive Axle Boot
......................... 7- 18
Front Drive Axle Seal
......................... 7-18
Radiator and Heater Hose
...................... 7- 18
Steering
.................................... 7-18
Suspension
.................................. 7-18
Throttle System
.............................. 7-1 8
InstrumentPanel ............................... 2-55
Cleaning .................................... 6-51
Cluster
................................ 2-56. 2-57
FuseBlock
.................................. 6-62
Instrument Panel Brightness Control
................ 2-44
Interior Lamps
................................. 2-44
Jack. Tire
........... 5.26.5.28.5.30.5.31.5.32. 5.33
Jump Starting
................................... 5-3
Key Lock Cylinders Service
..................... 7-15
Key Reminder Warning
.......................... 2-15
Keys
.......................................... 2-2
Labels Certification
................................. 4-32
Service Parts Identification
..................... 6-58
Tire-Loading Information
...................... 4-3 1
Vehicle Identification Number
................... 6-58 Lamps
Cornering
................................... 2-44
Courtesy
.................................... 2-44
Dome
...................................... 2-46
Fog
........................................ 2-44
Interior
..................................... 2-44
Reading. Rearview Mirror
...................... 2-46
Leaving Your Vehicle
............................. 2-9
Leaving Your Vehicle with the Engine Running
....... 2-29
Lighter
....................................... 2-50
Lights Air Bag Readiness
....................... 1-21, 2-60
Anti-Lock Brake System Active
............. 2-63, 4-9
Anti-Lock Brake System Warning
............ 2-62, 4-7
BrakeSystemWarning
......................... 2-61
Charging System
............................. 2-60
Cruise
...................................... 2-74
Door/Trunk Ajar Warning
...................... 2-75
Engine Coolant Temperature Light
............... 2-67
ChangeOilSoon
............................. 2-73
Enhanced Traction System Active
................ 2-66
Enhanced Traction System Warning
.............. 2-65 .
Interior ..................................... 2-44
Low Coolant Warning
.................... 2.68, 6.26
LowFuel
................................... 2-75
Low Oil Level
.......................... 2.72, 6.12
LowTire
.................................... 2-68
Low Traction
................................ 2-66
Low Washer Fluid Warning
................ 2.37, 2.74
9-6
ProCarManuals.com

Mountain Roads .................................. 4-25
Multifunction Lever
............................. 2-34
Net. Trunk Convenience
........................ 2-50
Neutral. Automatic Transaxle
..................... 2-24
New Vehicle “Break-In”
......................... 2- 17
Nightvision
................................... 4-18
Odometer
.................................... 2-58
Odometer. Trip
................................. 2-58
Off-Road Recovery
............................. 4- 14
Oil Warning Light
.............................. 2-71
OnStar System
................................. 2-54
Oil.
Engine
.................................... 6-12
Oil Life Monitor
........................ 2-78. 6-16. 7-5
Overdrive
(a). Automatic ..................
Overheating Engine .......................
Owner Checks and Services .................
Owner Publications. Ordering ...............
Paint Spotting. Chemical ..................
Park
Automatic Transaxle
....................
Shifting Out of .........................
Shifting Into ...........................
2.24. 2.25
..... 5-15
..... 7-14
..... 8-10
..... 6-58
..... 2-23
..... 2-28
..... 2-30 Parking
AtNight
.................................... 2-15
Brake
...................................... 2-27
Brake Mechanism Check
....................... 7-17
Lots
....................................... 2-15
Over Things That Burn ........................ 2-31
With a Trailer
................................ 4-40
Passenger Compartment Air Filter
.................. 6-18
Passing
............................... 4-15
PASS-Key I1 2-16
Performance Shift Light
..................... 2-26, 2-74
Periodic Maintenance Inspections
.................. 7-18
Power
.... *.h* .................................
Performance Shifting ............................ 2-26
Auxiliary Connection
.......................... 2-53
DoorLocks
................................... 2-5
Option Fuses
................................ 6-61
Retained Accessory
........................... 2-46
Seat (Six-Way)
Steering
.....
Steering Fluid .
Windows ....
................................ 1-3
............................... 4-12
............................... 6-27
............................... 2-33
Outside Mirrors
.............................. 2-48
Pregnancy.
Use of Safety Belts .................... 1-18
Problems on the Road
............................ 5-1
Publications. Service and Owner
................... 8-10
Publications. Service and Owner. Ordering in Canada
... 8-9
9-8
ProCarManuals.com

Trailer BackingUp
................................. 4-38
Brakes
..................................... 4- 37
Drivingwith
................................. 4-38
Driving on
Grades
............................ 4-39
Engine Cooling When Towing
................... 4-40
Following Distance
........................... 4-38
Maintenance When Towing
..................... 4-40
Hitches
..................................... 4-37
If
You Decide to Pull A ........................ 4-34
MakingTurns
................................ 4-39
ParkingonHills
.............................. 4-40
Passing
..................................... 4- 38
Safety Chains
................................ 4-37
Tongueweight
............................... 4-36
Total Weight
on Tires .......................... 4-36
Towing
..................................... 4-33
Turnsignals
................................. 4-39
Weight
..................................... 4- 35
When
You Are Ready to Leave After Parking on a Hill 4-40
Transaxle Fluid
................................. 6-20
Transmitters, Remote-Keyless Entry
............ 2-9, 2- 12
Trip, Before Leaving on a Long .................... 4-24
Trunk
........................................ 2-14
Lock
....................................... 2-15
Rear Seat Pass-Through ........................ 2-50
Transportation,
Courtesy
.......................... 8-6
Trip Odometer
................................. 2-58 Trunk
Convenience Net
.......................... 2-50
Trunk Lid Applique Bulb Replacement
.............. 6-40
TTYUsers
..................................... 8-4
Turn Signal and Lane Change Indicator
............. 2-35
Turn Signal On Chime
........................... 2-35
Turn SignalMultifunction Lever
................... 2-34
Turn Signals When Towing a Trailer
................ 4-39
Two-way Manual Seat
........................... 1-2
Twilight
Sentinel
............................... 2-43
Underbody Flushing Service
..................... 7-17
Underbody Maintenance
......................... 6-58
Underhood Electrical Center (Passenger’s Side)
....... 6-64
Vehicle Control
...................................... 4-6
Damage Warnings
.............................. iv
Dimensions ................................. 6-68
Identification Number
......................... 6-60
Loading
.................................... 4-31
Storage
..................................... 6-33
Symbols
....................................... v
Ventilation System .............................. 3-10
Visor Vanity Mirrors
............................ 2-51
Visors,
Sun .................................... 2-51
9-12
ProCarManuals.com