Chevrolet 2006 Optra Owner's Manual page 322

48,000 Miles (80 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (or every 3 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 +.)
51,000 Miles (85 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (or every 3 months, whichever
occurs first). An Emission Control Service.
54,000 Miles (90 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (or every 3 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 +.)
57,000 Miles (95 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (or every 3 months, whichever
occurs first). An Emission Control Service.
6-10
60,000 Miles (100 000 km)
Change engine oil and filter and replace engine oil
pan drain plug washer (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. 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.