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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
I
... 286
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 miles
(6 km).
(16 km) 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.
* 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.
' '
ITEM
NO.
2
4
~
14
16
18
WHAT TO SERVICE
See "Explanation of Scheduled Maintenance
Services "following Schedules
t and It.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs first).
PCV Valve Replacement* I Every 50,000 Miles (83 OOO km).
ECM & Associated Sensors Insmtion* I Every 100,OOO Miles (166 OOO h).
Power Steering System Inspection I Every 7,500 Miles (12 500 km) or 7.5 Months.
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
Schedule I/
Follow Schedule I1 ONLY if none of
the driving conditions specified in
Schedule
I apply.
BAn Emission Control Service.
The
U. S. Environmental Protection Agency
has determined that the failure to pedorm
this maintenance item will not nullify the
emission warranh, or limit recall liability
I I I
WHAT TO SERVICE
ITEM See "Explanation of Scheduled Maintenance
NO. Services "following Schedules I and II.
I
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs first).
I nrior to the cornthetion of vehicle useful life. I 12 I Oxygen Sensor Replacement* I Every 80,OOO Miles (133 oO( I-.--- -- -- I~- ~ .I I General Motors, however, urges thaiall
recommended maintenuncP
ront;rnr ho I
I 16 I Emission Svstem Hoses Insaxtion* I Everv 60.0o0 Miles (100 oO(
18 I Power Steering system Inspection I Every 7,500 Miles (12 500 km) or 7.5 Months. I I
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
Dplanatiun of Scheduled Maintenance Services
Below are explanations of the services listed in Schedules I
and 11.
290
ITEM
NO.
1
2
SERVICE
Engine Oil and Filter Change* - Always use SG
Energy Conserving I1 Oils of 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 1OW-30) see “Engine Oil’’ in the Index.
Engine Idle Speed Check* - Check the idle speed
and adjust it to underhood label specifications.
*An Emission Control Service.
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
3 Cooling System Service* - Drain, flush and refill
the system with new or approved recycled coolant
conforming to
GM Specification 4038M. Keep
coolant at
the proper mixture as specified. See
“Coolant”
in the Index. This provides proper freeze
protection, corrosion inhibitor level, and 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
the pressure cap and
neck.
To help ensure proper operation, we recommend a
pressure test of both
the cooling system and the
pressure cap.
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
ITEM
NO. SERVICE
7 Distributor Cap and Spark Plug Wire
Inspection*
- Inspect for burns, cracks or other
damage. Check the boot
fit at the distributor and at
the spark plugs. Replace wires as needed. Operation
in extreme cold and/or on salted roads may require
more frequent replacement.
Replacement* - Inspect valve for proper function.
Replace the valve every
50,000 miles (83 OOO km)
as well as any worn, plugged or collapsed hoses.
8 Positive Crankcase Ventilation (PCV) Valve
ITEM
NO. SERVICE
9 Exhaust Gas Recirculation (EGR) System
Inspection*
- Inspect at 50,000 mile (83 OOO km)
intervals.
Replacement* - Inspect at each oil change.
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.
If your vehicle is equipped with a
crankcase ventilation filter, replace
it too.
10 Air Cleaner Filter (PCV Filter, if Equipped)
1 *An Emission Control Service.
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ITEM
NO. SERVICE
11 Fuel Tank, Cap and Lines Inspection** -
Inspect fuel tank, cap, lines and hoses for damage or
leaks. Inspect fuel cap gasket for an even filler neck
imprint or any damage at
30,000 miles (50 OOO km).
Replace parts as needed. Replace the cap and gasket
at
60,OOO mile (100 OOO km) intervals.
12 Oxygen Sensor Replacement* - Replace at 80,000
miles (133 OOO km).
ITEM
NO. SERVICE
13 Charcoal Canister Replacement* - Replace at
100,OOO mile
(166 OOO km) intervals.
14 Engine Control Module (ECM) and Associated
Sensors Inspection*
- Inspect at 100,OOO mile
(166 OOO km) intervals.
15 Fuel Injector Inspection* - Inspect at 100,OOO
mile (166 OOO km) intervals.
*An Emission Control Service.
*The
U. S. Environmental Protection Agency has determined that the failure to pe~orm 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 pe~ormed at the indicated intervals and the maintenance be recorded in “Section
E: Maintenance Record. ”
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
ITEM
NO. SERVICE
16 Emission System Hoses Inspection* - Inspect at
60,OOO mile (lo0 OOO km) intervals.
17 Catalytic Converter Inspection* - Inspect at
100,OOO mile (166 OOO km) intervals. At each oil
change, inspect the entire exhaust system for leaks
and loose fittings, especially if the vehicle is used
off-road.
*An Emission Control Service.
9 9 294
ITEM
NO. SERVICE
18 Power Steering System Inspection - Check the
power steering gear box, pump and hose connections
for leaks
or damage. Check the fluid level on the
dipstick.
See “Power Steering Fluid” in the Index.
Check the drive belt for cracks, fraying and wear.
Check belt tension. There should be
0.24”-0.35”
(6-9 mm) deflection when you press your thumb
midway between the pulleys. Adjust or replace belt
as needed.
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NO.
1
2
3
SERVICE
Wheel Bearings Inspection - Inspect every
15 months, or at 15,000 mile (25 OOO km) intervals.
Inspect for wear and proper adjustment. Relubricate
the bearings
if grease is contaminated.
Propeller Shafts and U-Joints
Inspection
- Inspect for looseness and damage. Do
this every 15 months, or at 15,000 mile (25 000 km)
intervals, or more frequently if used off-road or
pulling a trailer. Tighten U-Joint flange bolts if
necessary.
Clutch (Manual Transmission Only) - At each oil
change, inspect for correct free play and positive
engagement. See “Clutch Adjustment’’
in the Index.
Maintenance Schedule
Uther Nun-Emissun Related Maintenance
Service
ITEM
4 Tire and Wheel Inspection and Rotation - For
proper wear and maximum tire life, rotate your tires
at
7,500 miles (12 500 km) and then every
15 ,OOO miles (25 OOO km). See “Tires, Inspection
and 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.
While the tires and wheels are removed for rotation,
perform
the brake system inspection described in
Section C.
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Maintenance Schedule
Section B: Owner Checks and Services
Listed below 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 Section D.
Af Each Fuel fj// (It is important for you or a service station attendant to perform these underhood checks at \
each fuel fill.)
1
CHECK
1 OR SERVICE I WHAT TO DO
I Engine Oil Level Check the engine oil level and add the proper oil if necessary. See “Engine Oil” in the Index for
further details.
I
I Engine Coolant Level Check the engine coolant level in the coolant recovery tank and add the proper coolant mix if
1 necessary. See “Coolant” in the Index for further details.
Windshield Washer
Fluid Level
Hood Latch
Operation Check
the windshield washer fluid level in the windshield washer tank and add the proper fluid if
necessary. See “Windshield Washer Fluid” in the Index for further details.
Pull the primary hood latch release handle inside the vehicle. The secondary latch should keep
hood from opening all the way when the primary latch is released. Make sure the hood closes
firmly. See
“Hood Release” in the Index for further details.
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