2004 CHEVROLET OPTRA spark plugs replace

Normal Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Part Number
Engine Air Cleaner/Filter 96553450
Engine Oil Filter96458873
Spark Plugs93742299
Windshield Wiper Blades (Shepherd’s Hook Type)
Driver’s Side96205561
Passenger’s Side96227855
5-91

18,000 Miles (30 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-58for proper rotation pattern and
additional information.(See footnote +.)
21,000 Miles (35 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
24,000 Miles (40 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-58for proper rotation pattern and
additional information.(See footnote +)
27,000 Miles (45 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
30,000 Miles (50 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may
require replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Replace spark plugs.An Emission Control Service.
❑Inspect drive belt(s).
❑Inspect timing belt.
❑Drain, flush and refill cooling system. SeeEngine
Coolant on page 5-21for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
An Emission Control Service.
❑Inspect EVAP canister, vapor lines and solenoid valve
filter.An Emission Control Service. (See footnote †.)
❑Inspect PCV system.An Emission Control Service.
(See footnote †.)
❑Change brake/clutch fluid (or every 24 months,
whichever occurs first).
6-8

54,000 Miles (90 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-58for proper rotation pattern and
additional information.(See footnote +.)
57,000 Miles (95 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
60,000 Miles (100 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may
require replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)❑Replace spark plugs.An Emission Control Service.
❑Replace spark plug wires.An Emission Control
Service.
❑Inspect drive belt(s).
❑Replace timing belt.
❑Drain, flush and refill cooling system. SeeEngine
Coolant on page 5-21for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap and
neck. Pressure test the cooling system and
pressure cap.An Emission Control Service.
❑Inspect EVAP canister and vapor lines. Replace
solenoid valve filter.An Emission Control Service.
(See footnote †.)
❑Inspect PCV system.An Emission Control Service.
(See footnote †.)
❑Change brake/clutch fluid (or every 24 months,
whichever occurs first).
63,000 Miles (105 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
6-10

84,000 Miles (140 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-58for proper rotation pattern and
additional information.(See footnote +.)
87,000 Miles (145 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
90,000 Miles (150 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may
require replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)❑Replace spark plugs.An Emission Control Service.
❑Replace fuel filter.An Emission Control Service.
(See footnote †.)
❑Inspect drive belt(s).
❑Inspect timing belt.
❑Drain, flush and refill cooling system. SeeEngine
Coolant on page 5-21for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap and
neck. Pressure test the cooling system and
pressure cap.An Emission Control Service.
❑Inspect EVAP canister, vapor lines and solenoid
valve filter.An Emission Control Service. (See
footnote †.)
❑Inspect PCV system.An Emission Control Service.
(See footnote †.)
❑Change brake/clutch fluid (or every 24 months,
whichever occurs first).
93,000 Miles (155 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
6-12

15,000 Miles (25 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace passenger compartment air filter. If you
drive regularly under dusty conditions, the filter
may require replacement more often.
❑Inspect engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service. (See footnote †.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Inspect drive belt(s).
22,500 Miles (37 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
30,000 Miles (50 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control Service.
❑Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may require
replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.An
Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Replace spark plugs.An Emission Control Service.
❑Inspect drive belt(s).
❑Inspect timing belt.
❑Drain, flush and refill cooling system. SeeEngine
Coolant on page 5-21for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
An Emission Control Service.
❑Inspect EVAP canister, vapor lines and solenoid valve
filter.An Emission Control Service. (See footnote †.)
❑Inspect PCV system.An Emission Control Service.
(See footnote †.)
❑Change brake/clutch fluid (or every 24 months,
whichever occurs first).
6-14

37,500 Miles (62 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
45,000 Miles (75 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace passenger compartment air filter. If you
drive regularly under dusty conditions, the filter
may require replacement more often.
❑Inspect engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service. (See footnote †.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Inspect drive belt(s).
52,500 Miles (87 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
60,000 Miles (100 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace passenger compartment air filter. If you
drive regularly under dusty conditions, the filter
may require replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Replace spark plugs.An Emission Control Service.
❑Replace spark plug wires.An Emission Control
Service.
6-15

90,000 Miles (150 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace passenger compartment air filter. If you
drive regularly under dusty conditions, the filter
may require replacement more often.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Replace spark plugs.An Emission Control Service.
❑Replace fuel filter.An Emission Control Service.
(See footnote †.)
❑Inspect drive belt(s).
❑Inspect timing belt.❑Drain, flush and refill cooling system. SeeEngine
Coolant on page 5-21for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap and
neck. Pressure test the cooling system and
pressure cap.An Emission Control Service.
❑Inspect EVAP canister, vapor lines and solenoid
valve filter.An Emission Control Service. (See
footnote †.)
❑Inspect PCV system.An Emission Control Service.
(See footnote †.)
❑Change brake/clutch fluid (or every 24 months,
whichever occurs first).
97,500 Miles (162 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
6-17