Page 300 of 348
1 Short TripKity Maintenance Schedule I
100,000 Miles (166 000 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, the fluid and
filter do not require changing.
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See “Engine Coolant” in. the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.\
Pressure
test
cooling system and pressure cap.
An Emission Control Service.
I DATE I
MILEAGE
7-18
Page 301 of 348
I Long Tripmighway Maintenance Schedule I
The services shown in this schedule up to 100,000 miles Footnotes
(166 000 km) should be performed after 100,000 miles
(166 000 km) at the same intervals. The services shown f The U.S. Environmental Protection Agency Or the
at
150,000 miles (240 000 km) should be performed at California Air Resources Board has deter\
mined that the
the same interval after
150,000 miles (240 000 km). failure to perform this maintenance item will not nullify
See “Owner Checks and Services” and “Periodic
Maintenance Inspections” following. the emission warranty or limit
recall liability prior to the
completion of the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the maintenance
be recorded.
+ A good time to check your brakes is during tire
rotation. See “Brake System Inspection” under “Periodic
Maintenance Inspections” in Part C
of this schedule.
7-19
Page 302 of 348

[ Long Tripmighway Maintenance Schedule
7,500 Miles (12 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional infomation. (See footnote +.)
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
22,500 Miles (37 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
U Rotate tires. See “Tire Inspection and Rotation” in the Index for’proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
30,000 Miles (50 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the I\
ndex for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
I DATE I
DATE I
MILEAGE
DATE
I
DATE I
;I ACTUAL SERVICED BY:
7-20
Page 304 of 348

I Long Trip/Highway Maintenance Schedule 1
50,000 Miles (83 000 km)
0 Change automatic transaxle fluid and filter if the vehicle is mainly driven MILEAGE under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reach\
es 90°F
- In hilly or mountainous terrain.
- 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, the fluid and
filter do not require changing.
(32°C) or higher.
52,500 Miles (87 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
[7 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
I DATE I
MILEAGE
I DATE I
7-22 ._ ~ ~
Page 305 of 348
~ Long Tripmighway Maintenance Schedule 1
0 Inspect engine
accessory drive belt.
0 Replace air cleaner filter.
0 Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
An Emission Control Service.
An Emission Control Service,
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote?.)
67,500 Miles (112 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
75,000 Miles (125 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
I DATE I
MILEAGE
ACTUAL SERVICED BY:
DATE
7-23
Page 307 of 348
Long Tripmighway Maintenance Schedule 1
100,000 Miles (1 66 000 ki
0 Inspect spark plug wires.
0 Replace spark plugs.
0 Change automatic transaxle fluid and filter if the vehicle is mainly driven
An Emission Control Service.
An Emission Control Service.
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.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
lf you do not use your vehicle under any of these conditions, the fluid and
filter do not require changing.
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See “Engine Coolant” in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap.
An Emission Control Service.
DATE I
MILEAGE
7-25
Page 314 of 348
Part E: Maintenance Record
After the scheduled services are performed, record the
date, odometer reading and who performed the service
in the boxes provided after the maintenance interval.
Any additional information from “Owner Checks and Services” or “Periodic Maintenance” can be added on
the following record pages.
Also, you should retain all
maintenance receipts.
Your owner information portfolio
is a convenient place to store them.
Maintenance Record
ODOMETER
DATE READING SERVICED
BY MAINTENANCE PERFORMED
7-32
Page 328 of 348

1998 OLDSMOBILE SERVICE PUBLICATIONS 0RDERIN.G. INFORMATION
The following publications covering the operation and servicing \
of your vehicle can be purchased by filling out
the ,Setvice 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 OLDSMOBILE
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
SERWCE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.
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:
$15.00
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.