1999 BUICK RIVIERA engine oil

Long Trip/Highway Scheduled Maintenance
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7-25

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
45,000 Miles (75 000 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
50,000 Miles (83 000 km)

Change automatic transaxle fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly reaches 90
F
(32
C) or higher.
± In hilly or mountainous terrain.
(Continued)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

Long Trip/Highway Scheduled Maintenance
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7-26
50,000 Miles (83 000 km) (Continued)
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter at 100,000 miles (166 000 km).
52,500 Miles (87 500 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
60,000 Miles (100 000 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

Long Trip/Highway Scheduled Maintenance
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7-27

For supercharged engines only: Check the supercharger oil level and add oil as
needed (or every 36 months, whichever occurs first). See ªRecommended
Fluids and Lubricantsº in this section.
An Emission Control Service. (See footnote
.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
Inspect engine accessory drive belt.
An Emission Control Service.
Replace air cleaner filter.
An Emission Control Service.
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
67,500 Miles (112 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)ACTUAL
SERVICED BY:MILEAGE
DATE

Long Trip/Highway Scheduled Maintenance
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7-28
75,000 Miles (125 000 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
82,500 Miles (137 500 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
90,000 Miles (150 000 km)

Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

Long Trip/Highway Scheduled Maintenance
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7-29

Replace air cleaner filter.
An Emission Control Service.

Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
For supercharged engines only: Check the supercharger oil level and add oil as
needed (or every 36 months, whichever occurs first). See ªRecommended
Fluids and Lubricantsº in this section.
An Emission Control Service. (See footnote
.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
97,500 Miles (162 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)ACTUAL
SERVICED BY:MILEAGE
DATE

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7-31
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See ªEngine Oilº in the Index for
further details.
Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the Index
for further details.
Power Antenna Service
Clean power antenna mast. See ªAudio Systemsº in the
Index for further details.

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7-36
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
FLUID/LUBRICANT
Engine OilEngine Oil with the American
Petroleum Institute Certified For
Gasoline Engines ªStarburstº
symbol of the proper viscosity. To
determine the preferred viscosity
for your vehicle's engine, see
ªEngine Oilº in the Index.
Engine Coolant50/50 mixture of clean, drinkable
water and use only GM
Goodwrench

DEX-COOL
or
Havoline
DEX-COOL

Coolant. See ªEngine Coolantº in
the Index.
USAGEFLUID/LUBRICANT
Hydraulic Brake
SystemDelco Supreme 11
Brake Fluid
(GM Part No. 12377967 or
equivalent DOT
-3 Brake Fluid).
Windshield
Washer SolventGM Optikleen
Washer
Solvent (GM Part No. 1051515)
or equivalent.
Parking Brake
Cable GuidesChassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements
of NLGI # 2, Category LB
or GC
-LB.
Power Steering
SystemGM Power Steering Fluid (GM
Part No. 1052884
- 1 pint,
1050017
- 1 quart, or equivalent).
Automatic
TransaxleDEXRON
-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).

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9-4
Driving
City 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In a Blizzard 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-37 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-23 . . . . . . . . . . . . . . . . . . . .
On Snow and Ice 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Through Water 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wet Roads 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRL 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken Driving 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual Automatic ComforTemp Climate Control 3-2 . . . . . . . . .
Electrical Equipment, Adding 3-19, 6-57 . . . . . . . . . . . . . . .
Electrical System 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview Mirror 2-46 . . . . . . . . . .
With Compass 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Level Control 4-32 . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessory Belt 6-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Level Check 7-31 . . . . . . . . . . . . . . . . . . . . . . . . . . Coolant Temperature Gage 2
-73 . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Warning Light 2-72 . . . . . . . . . . . . . .
Exhaust 2-32, 4-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheating 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-32 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supercharged 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Oil 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Light 2-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exit Lighting, Delayed 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Down Window 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric Cleaning 6
-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan Button, Climate Control System 3-3 . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Air 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Care 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Damage 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flashers, Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Flash-To-Pass Feature 2-36 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flat Tire, Changing 5-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .