2003 Oldsmobile Alero Engine

Maintenance Schedule
Introduction
IMPORTANT:
KEEP ENGINE OIL AT THE PROPER
LEVEL AND CHANGE AS RECOMMENDED
14
r
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good working condition, but also helps the
environment. All recommended maintenance procedures
are important. Improper vehicle maintenance can
even affect the quality
of the air we breathe. Improper
fluid levels or the wrong tire inflation can increase
the level of emissions from your vehicle.
To help protect
our environment, and to keep your vehicle in good
condition, please maintain your vehicle properly.
Maintenance Requirements
Maintenance intervals, checks, inspections and
recommended fluids and lubricants as prescribed in this
manual are necessary to keep your vehicle in good
working condition. Any damage caused by failure
to follow recommended maintenance may not be
covered by warranty.
6-2

Part A: Scheduled Maintenance
Services
This part contains engine oil scheduled maintenance
which explains the engine oil life system and how
it indicates when to change the engine
oil and filter.
Also, listed are scheduled maintenance services which
are
to be performed at the mileage intervals specified.
Using Your Maintenance Schedule
We at General Motors want to keep your vehicle in good
working condition. But we don’t know exactly how
you’ll drive it. You may drive short distances only a few
times
a week. Or you may drive long distances all
the time in very hot, dusty weather. You may use your
vehicle in making deliveries. Or you may drive it to
work, to
do errands or in many other ways.
Because of the different ways people use their vehicles,
maintenance needs may vary. You may need more
frequent checks and replacements.
So please read the
following and note how you drive.
If you have
questions on how to keep your vehicle in good condition,
see your dealer. This part tells
you the maintenance services you should
have done and when you should schedule them.
When you go to your dealer for your service needs,
you’ll know that GM-trained and supported service
people will perform the work using genuine GM parts.
The proper fluids and lubricants to use are listed in
Part
D. Make sure whoever services your vehicle uses
these.
All parts should be replaced and all necessary
repairs done before you or anyone else drives the
vehicle.
This schedule is for vehicles that:
carry passengers and cargo within recommended
limits. You will find these on your vehicle’s
Tire-Loading Information label. See
Loading Your
Vehicle on page 4-34.
are driven on reasonable road surfaces within legal
driving limits.
use the recommended fuel. See Gasoline Octane
on page 5-5.
6-4

Scheduled Maintenance
The services shown in this schedule up to 100,000 miles
(1
66 000 km) should be repeated after 100,000 miles
(1
66 000 km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240 000 km) should be repeated at the same interval
after 150,000 miles
(240 000 km) for the life of this
vehicle.
See
Part B: Owner Checks and Services on page 6-9
and Part C: Periodic Maintenance Inspections on
page
6- 13.
Footnotes
t The U.S. EfMrmmef%al Prdectim Agency or the
California Air Resources Board 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 the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
,iia;ii;eiiaiic.e be ,.ec.ui.u'eu'.
+ A good time to check your brakes is during tire
rotation. See Brake System Inspection on page
6-14.
Engine Oil Scheduled Maintenance
Change engine oil and filter as indicated by the GM
Oil Life SystemTM (or every 12 months, whichever
occurs first). Reset the system.
Your vehicle has a computer system that lets you know
when to change the engine oil and filter. This
is
based on engine revolutions and engine temperature,
and not on mileage. Based on driving conditions,
the mileage at which an oil change will be indicated can
vary considerably. For the oil life system to work
properly, you must reset the system every time the oil is
changed.
When the system has calculated that
oil life has been
diminished, it
wi!! indicate that an oil change is
necessary. A CHANGE OIL light will come on. Change
your oil as soon as possible within the next two
times you stop for fuel. It is possible that,
if you are
driving under the best conditions, the oil life system may
not indicate that an oil change is necessary for over a
year. However, your engine oil and filter must
be
must be reset. It is also important to check your oil
regularly and keep it at the proper level.
chs-mgd
!ezst s-ve 2 ye2r 2nd 2t this ?im,e the cwctam 'J -*-* ' *
6-5

If the system is ever reset accidentally, you must
change your oil at
3,000 miles (5 000 km) since your
last oil change. Remember to reset the oil life system
whenever the oil
is changed. See Engine Oil on
page
5-15 for information on resetting the system.
After the services are performed, record the date,
odometer reading and who performed the service on the
maintenance record pages in part
E of this schedule.
An Emission Control Service.
7,500 Miles (12 500 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
15,000 Miles (25 000 km)
0 Inspect engine air cleaner filter if you are driving in
dusty conditions. Replace filter
if necessary. An
Emission Control Service. (See footnote
t.)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
22,500 Miles (37 500 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
30,000 Miles (50 000 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
il Replace engine air cleaner filter. An Emission
Control Service.
37,500 Miles (62 500 km)
El Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
45,000 Miles (75 000 km)
0 Inspect engine air cleaner filter if you are driving in
dusty conditions. Replace filter
if necessary. An
Emission Control Service. (See footnote
t.)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
6-6

50,000 Miles (83 000 km)
0 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.
- 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.
52,500 Miles (87 500 km)
c3 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
60,000 Miles (100 000 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
0 Replace engine air cleaner filter. An Emission
Control Service.
67,500 Miles (1 12 500 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
75,000 Miles (125 000 km)
LI Inspect engine air cleaner filter if you are driving in
dusty conditions. Replace filter
if necessary. An
Emission Control Service. (See footnote
f.)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
U Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
6-7

90,000 Miles (150 000 km)
0 Replace engine air cleaner filter. An Emission
0 Rotate tires. See Tire Inspection and Rotation on
Control Service.
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
97,500 Miles (162 500 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-55 for proper rotation pattern and additional
information.
(See footnote +.)
100,000 Miles (166 000 km)
0 Inspect spark plug wires (except 2.2L Code F
L4 engine). An Emission Control Service.
0 Replace spark plugs. An Emission Control Service.
0 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.
- 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 on page 5-23 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.
0 Inspect engine accessory drive belt. An Emission
Control Service.
6-8

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 Lmderhood checks at each fuel fil!.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See Engine Oil on page 5-15 for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL@
coolant mixture
if necessary. See Engine Coolant
on page
5-23 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
Windshield Washer Fluid on page 5-36 for further
details.
At Least Once a Month
Tire Inreation Check
Make sure tries are inflated to the correct pressures.
Don’t forget to check your spare tire. See
Tires on
page 5-53 for further details.
Cassette Deck Service
Ziean casseiire deck. Zieaning snouid be done every
50 hours of tape play. See Audio System(s) on
page
3-38 for further details.
6-9

Body Lubrication Service
Lubricate all the door hinges and latches, including
those for the hood and the trunk lid. Part
D tells
you what to use. More frequent lubrication may be
required when exposed to a corrosive environment.
Starter S---:tc" Ct---'-
Automatic Transaxle Shift Lock Control
System Check
When you are doing this chec the vehicle
could move suddenly.
If it does, you or others
could be injured. Follow the steps below.
When you are doing this check, the vehicle
could move suddenly.
If it does, you or others
CGG!~ be i~j~d. FO~~GVV the steps below.
1. Before you start, be sure you have enough room
2. Firmly apply both the parking brake and the regular
around the vehicle.
brake. See
Parking Brake on page 2-26 if
necessary.
Do not use the accelerator pedal, and be ready to
turn
off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, your
vehicle needs service.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked
on a level
surface.
2. Firmly apply the parking brake. See Parking Brake
on page
2-26 if necessary.
Be ready to apply the regular brake immediately
if
the vehicle begins to move.
but don't start the engine. Without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), your vehicle needs service.
3. With the engine off, turn the key to the ON position,
6-1 1