1994 OLDSMOBILE SILHOUETTE maintenance schedule

Maintenance Schedule
232
Introduction
A Word About Maintenance
We at General Motors want to help you
keep your vehicle in good working
condition. But we don’t lmow exactly
how you’ll drive it. You may drive very
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 malting
deliveries. Or
you may drive it to work,
to do errands or in many other ways.
Because of all the different ways people
use their GM vehicles, maintenance
needs vary.
You may even need more
frequent checks and replacements than
you will find in the schedules in this
part.
So please read this part and note
how you drive. If you have any
questions on how to keep your vehicle
in good condition, see your Oldsmobile
dealer, the place many GM owners
choose to have their maintenance work
done. Your dealer can be relied upon to
use proper parts and practices.
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 or the
removal of important components can
significantly affect the quality
of the air
we breathe. Improper fluid levels or
even the wrong tire inflation can
increase the level of emissions from
your vehicle.
To help protect our
environment, and to help keep your
vehicle in good condition, please
maintain your vehicle properly.
How This Part is Organized
The remainder of this part is divided
into five sections:
Section
A: Scheduled Maintenance
Services shows what to have done and
how often. Some of these services can
be complex,
so unless you are technically
qualified and have the necessary
equipment, you should let your dealer’s
service department or another qualified
service center do these jobs. If
you are skulled enough to do some
work on your vehicle, you will probably
want to get the service information GM
publishes. You will find a list of
publications and how to get them in
this manual. See
Service Publications
in the Index.
Section B: Owner Checks and Services
tells you what should be checked
whenever you stop for fuel. It also
explains what you can easily do to help
keep your vehicle in good condition.
Section
C: Periodic Maintenance
Inspections explains important
ProCarManuals.com

inspections that your Oldsmobile
dealer’s service department or another
qualified service center should perform.
Section
D: Recommended Fluids and
Lubricants lists some products
GM
recommends to help keep your vehicle
properly maintained. These products, or
their equivalents, should be used
whether you do the work yourself or
have
it done.
Section
E: Maintenance Record
provides
a place for you to record the
maintenance performed on your vehicle.
Whenever any maintenance is
performed, be sure to write
it down in
this section. This will help you
determine when your next maintenance
should be done. In addition, it is
a good
idea to keep your maintenance receipts.
They may be needed to qualify your
vehicle for warranty repairs.
Section A: Scheduled
Maintenance Services
Using Your Maintenance
Schedule
This section tells you the maintenance
services you should have done and
when you should schedule them. Your
Oldsmobile dealer knows your vehicle
best and wants you to be happy with it.
If
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.
These schedules are for vehicles that:
carry passengers and cargo within
recommended limits.
You will find
these limits on your vehicle’s
CertificatiodTire label. See
Loading
Your Vehicle in the Index.
are driven on reasonable road
surfaces within legal driving limits.
use the recommended unleaded fuel.
See
Fuel in the Index.
Selecting the Right Schedule
First you’ll need to decide which of the
two schedules is right for your vehicle.
Here’s how to decide which schedule to
follow:
Schedule I
Is any one of these true for your
vehicle?
Most trips are less than 4 miles
Most trips are less than 10 miles
(6 ltm) .
(16 ltm) when outside temperatures
are below freezing.
The engine is at low speed most of the
time (as in door-to-door delivery, or in
stop-and-go traffic).
areas.
You operate your vehicle in dusty
You tow a trailer.
If any one (or more) of these is true for
your driving, follow Schedule
I.
Schedule I1
Follow Schedule I1 only if none of the
above conditions is true.
233
ProCarManuals.com

Muintenunce Schedule
234
Schedule I
Follow Schedule I if your vehicle is
MAINLY driven under one or more of
the following conditions:
When most trips are less than 4 miles
When most trips are less than 10
(6
ltm)
.
miles (16 ltrn) and outside
temperatures remain below freezing.
When most trips include extended
idling and/or frequent low-speed
operation, as in stop-and-go traffic.
When towing a trailer.
When operating in dusty areas.
Schedule I should also be followed if
the vehicle is used for delivery service,
police, taxi
or other commercial
applications.
::: = An Emission Control Service.
j- = The U.S. Emiyonmental Protection Agency
or the California Air Resources Board has
determined that the failure
to pelform this
maintenance item will
not nullify the
emission warranty or limit recall liability
prior
to the completion of vehicle useful life.
General Motors, however, urges that all
recommended maintenance services be
pelformed at the indicated intervals and the
maintenance be recorded in “Section
E:
Maintenance Record.”
ITEM TO BE SERVICED WHEN TO PERFORM
No* See Explanation of Scheduled Maintenance Miles (Kilometers) or Months
Services
following Schedules I and 11. (whichever occurs firsl).
1 Engine Oil Change & Oil Filter Change* Every 3,000 Miles (5 000 km) or 3 Montl~s..
2 Chassis Lubrication Every 3,000 Miles (5 000 lm) or 12 Months.
ProCarManuals.com

Maintenance Scheduk
Schedule I1
Follow Schedule I1 ONLY if none of
* = An Emission Control Service.
t = The U.S. Environmental Protection 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 vehicle useful life.
General Motors, however, urges that
all
recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded in “Section
E:
Maintenance Record.”
ITEM TO BE SERVICED
No’ See Explanation of Scheduled Maintenance
Services
following Schedules I and 11.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs first). 1
I 2 I Chassis Lubrication 1 Evew 7,500 Miles (12 500 km) or 12 Months. 11
I 4 I Engine Accessorv Drive GDection I Everv 60.000 Miles (100 000 la) or 60 Months. 11
236
I I
ProCarManuals.com

Maintenance Schedule
238
Explanation of Scheduled
Maintenance Services
Following are explanations of the
services listed in Schedule I and
Schedule 11.
The proper fluids and lubricants to use
are listed in Section 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.
ITEM
NO. SERVICE
1. Engine Oil and Filter Change* -
Always use SH or SG Energy
Conserving
I1 oils of proper viscosity.
The
“SH” or “SG” designation may
be shown alone
or in combination
with others, such as “SH/CD,”
“SH,
SG, CD,” “SG/CD,” etc. To
determine the preferred viscosity for
your vehicle’s engine (e.g.,
SAE 5W-
30 or SAE 10W-30), see
Engine Oil
in the Index.
2. Chassis Lubrication - Lubricate
suspension and steering linkage.
Lubricate the transaxle shift linkage,
and parking brake cable guides,
underbody contact points and
linkage.
3. Tire and Wheel Rotation and
Inspection
- For proper wear and
maximum tire life, rotate your tires
following the instructions in this
manual. See
Tires, Inspection E.
Rotation in the Index. Check the
tires for uneven wear
or damage. If
you see irregular or premature wear,
check the wheel alignment. Check for
damaged wheels also.
Engine Accessory Drive Inspection
- Inspect the drive belt for cracks,
fraying, wear and proper tension.
Replace as needed.
I
Cooling System Servicee - Drain,
flush and refill the system with new
or approved recycled coolant
conforming to GM Specification
I
1825M. Keep coolant at the proper 1
mixture as specified. See Coolant in
the
Index. This provides proper
freeze and boil protection, corrosion
I
inhibitor level and maintains proper ’
engine operating temperature.
Inspect hoses
and replace if they are
cracked, swollen or deteriorated.
Tighten screw-type hose clamps.
Clean the outside of the radiator and
air conditioning condenser. Wash tht
pressure cap and neck.
To help ensure proper operation, we
recommend
a pressure test of both the
cooling system and the pressure cap.
ProCarManuals.com

Maintenance Schedule
I At Least Once a Year (CONT.)
242
~ ~~
CHECK
Parking Bralte
and Automatic
Transaxle
P (Park)
Mechanism Check
Underbody Flushing
WHAT TO DO
CAUTION: When you are doing this check, your vehicle could begin to move. You or others
could be injured and property could be damaged. Make sure there is room in front
of your
vehicle in case it begins to
roll. Be ready to apply the regular brake at once should the vehicle
begin to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake: With the engine running and transaxle in N (Neutral), slowly
remove foot pressure from the regular brake pedal.
Do this until the vehicle is held by the
parking brake only.
To check the P (Park) mechanism’s holding ability: Shift to P (Park). Then release all brakes.
At least every spring, use plain water to flush any corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and other debris can collect.
ProCarManuals.com

Maintenance Schedule
244
Section D: Recommended Fluids and Lubricants
NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM
dealer.
USAGE FLUID/LUBRICANT
Engine Oil API service
SH or SG Energy Conserving I1
oils of the proper viscosity. The “SH”or “SG” designation
may be shown alone or in combination with others, such as “SH/CD,” “SH,SG,CD,” “SG/CD,”\

etc. To determine the preferred viscosity for your vehicle’s engine, see
Engine OiZ in the Index.
Engine Coolant
50/50 mixture of water (preferably distilled) and good quality ethylene glycol base antifreeze
(GM Part No. 1052753 or equivalent) conforming
to GM Specification 1825M or approved
recycled coolant conforming to GM Specification 1825M.
Hydraulic Brake Svstem
I Delco Supreme 1 lo Brake Fluid (GM Part No. 1052535 or equivalent DOT-3 brake fluid).
Chassis lubricant (GM Part
No. 1052497 or equivalent) or lubricant meeting requirements of
NLGI Grade 2, Category LB or GC-LB. Guides
Power Steering
System I
I GM Hydraulic Power Steering Fluid (GM Part No. 1052884 or equivalent)
Automatic Transaxle DEXRONo-I11 or DEXRONo-IIE Automatic Transmission Fluid.
ICey oil or silicone lubricant (GM Part No. 1052276 or 1052277).
Lubricate with Multi-Purpose Lubricant (GM Part No.
12345120), synthetic SAE 5W-30 engine
Automatic Transaxle
Shift Linkage
Engine oil.
ProCarManuals.com

Muintenunce Schedule
Section E: Maintenance Record Performed column, insert the numbers from the Schedule I or
Schedule I1 maintenance charts which correspond to the
After the scheduled services are performed, record the date, maintenance performed. Also, you should retain all
odometer reading and who performed the service in the
maintenance receipts. Your owner information portfolio is a
columns indicated. When completing the Maintenance
convenient place
to store them.
I 1 READING
ODOMETER SERVICED BY MAINTENANCE PERFORMED
246
ProCarManuals.com