1993 Oldsmobile Cutlass Supreme service interval

Maintenance Schedule
Section A: Scheduled Maintenance Services (cant.)
292
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 km) -
miles (1 6 ltm) 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.
+k An Emission Control Service.
12 The U.S. Environmental Protection Agency 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.
TO BE SERVICED
See Explanation of Scheduled Maintenance
Services
following Schedules I and II.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs jirst).
I 2 1 Chassis Lubrication I Every other oil change. I
Tire and Wheel Rotation and Inspection At 6,000 Miles (10 000 h) and every l5,OOO Miles
(25 000 km) or as necessary. I
Camshaft Tiig Belt Inspection
(3.4L Engine, VIN Code X)* l5,OOO Miles (25 000 km). I I
At 60,OOO Miles (100 000 km) and then every
1 8 I Transaxle Service see ,!%ph&m of Scheduled Maintenance Services
following Schedules I and II.
I 10 I Spark Plug Wxe Inspection** I Every 30,000 Miles (50 OOO h). I
Exhaust Gas Recirculation (EGR) System I Every 30,000 Miles (50 000 km).
Inspection (3.4L Code X engine only)**
14 Fuel Tank, Cap & Lines Inspection** Every 30,000 Miles (50 OOO km). I

The services shown in this schedule up to 48,000 miles (80 000 km) are to be
performed after 48,000 miles
at the same intervals.
MILES (000)
3 16 19 I12 I15 I18 121 124 127 130 133 136 139 142 145 148
293

The services shown in this schedule up to 45,000 miles (75 000 km) are to be
performed after
45,000 miles at the same intervals.
MILES (000)
KILOMETERS (000)
7.5 45 37.5 30 22.5
15
I 0 I 0 I 0 I 0 I 0 I 0 I
I 0 I I 0 I I 0 I I
295

Maintenance Schedule
Section A: Scheduled Maintenance Services (Cant.)
Explanation of Scheduled Maintenance Services
Below 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 SG
296
2
Energy Conserving I1 oils for proper viscosity. The
“SG” designation may be shown alone or in
combination with others, such as “SG/CC,”
“SG/CD” or “SF, SG, CC,” etc.
To determine the
preferred viscosity for your vehicle’s engine (e.g.,
SAE 5W-30 or SAE 1OW-30) see the Index under
Engine Oil.
Chassis Lubrication-Lubricate the transaxle shift
linkage, parking brake cable guides, underbody
contact points and linkage. Lubricate the front and
rear suspension and steering linkage.
ITEM
NO. SERVICE
3 Throttle Body Mounting Bolt Torque (3.1L
Code T or M engines only)*-Check the torque of
the mounting bolts and/or nuts.
4 Tire and Wheel Rotation and Inspection-For
proper wear and maximum tire life, rotate your
tires following the instructions in this manual. See
the
Index under Tires, Inspection G Rotation.
Check the tires for uneven wear or damage. If you
see irregular or premature wear, check the wheel
alignment. Check for damaged wheels also.
NOTE: To determine your engine’s displacement and code, see the Index under Engine Identification
* An Emission Control Service.
0 The U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify the emission warranty QY
limit recall liability prior to the completion of vehicle useful life. General Motors, however, urges that all re\
commended maintenance services be
performed
at the indicated intervals and the maintenance be recorded in Section E: Maintenance Record.

Maintenance Schedule
Section A: Scheduled Maintenance Services (Cant.)
ITEM
NO.
11
12
SERVICE
Positive Crankcase Ventilation Inspection*-Inspect system for proper function.
Replace
any worn, plugged or collapsed hoses or
seals. Replace valve only if necessary.
Exhaust Gas Recirculation (EGR) System
Inspection
(3.4L Code X engine only) *A-
Conduct the EGR system service as described in
the service manual.
To purchase a service manual,
see the
Index under Service Publications.
ITEM
NO.
13
14
SERVICE
Air Cleaner Filter Replacement*-Replace every
30,000 miles (50 000 km) or more often under
dusty conditions. Ask
your dealer for the proper
replacement intervals for your driving conditions,
Fuel Tank, Cap and Lines Inspection94nspect
.
fuel tank, cap and lines (including fuel rails and
injection assembly) for damage or leaks. Inspect
fuel cap gasket for
an even filler neck imprint or
any damage. Replace parts as needed. Periodic
replacement
of the fuel filter is not required.
Note: To determine your engine's displacement and code, see the Index under Engine Identification.
* An Emission Control Service.
Q The US. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullib 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.

Section B: Owner Checks & Services
Listed below are owner checks and services which should be Be sure any necessary repairs are completed at once.
made at the intervals specified to help ensure the safety, Whenever any fluids or lubricants are added to your vehicle,
dependability and emission control performance of your make sure they are the proper ones, as
shown in Section D.
vehicle.
At Each Fuel Fill (/t is important for you or a service station attendant to perform these underhood check\
s at each fuel fill.)
CHECK
OR SERVICE I WHAT TO DO
Engine Oil Level Check the engine oil level and add the proper oil if necessary. See the Index under Engine Oil for
further details.
Engine Coolant Level
See the
Index under Windshield Washer Fluid for further details.
Fluid Level Check the
windshield washer fluid level in the windshield washer
tank and add fluid if necessary. Windshield Washer
Check the engine coolant
level in the coolant recovery tank and add the proper coolant mix if
~~ ~ ~~
necessary. See the Index under Coolant for further details.
At Least Once a Month
CHECK
I OR SERVICE I WHAT TO DO
Tire Inflation
Check tire inflation. Make sure they are inflated to the pressures specified on the Tire-Loading
~~ ~
Information label located on the rear edge of the driver’s door. See the Index under Tires for
further details.
r
L
299