Chevrolet 2006 Optra Owner's Manual page 328

60,000 Miles (100 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (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. See Engine Air
Cleaner/Filter on page 5-17 for more information.
Rotate tires. See Tire Inspection and Rotation on
page 5-57 for 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. This service
can be complex; you should have your dealer
perform this service. See Engine Coolant on
page 5-20 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.
Inspect EVAP canister and vapor lines. Replace
EVAP vent solenoid valve. An Emission Control
Service. (See footnote †.)
6-16
Inspect PCV system. An Emission Control Service.
(See footnote †.)
Change brake/clutch fluid (or every 24 months,
whichever occurs first).
67,500 Miles (112 500 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (or every 12 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-57 for proper rotation pattern and
additional information. (See footnote +.)
75,000 Miles (125 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (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. See Engine Air
Cleaner/Filter on page 5-17 for more information.
Rotate tires. See Tire Inspection and Rotation on
page 5-57 for proper rotation pattern and additional
information. (See footnote +.)
Inspect drive belt(s).