Chevrolet 2004 Aveo Owner's Manual page 289

Replace spark plugs. An Emission Control Service.
Replace spark plug wires. An Emission Control
Service.
Inspect drive belts.
Replace timing belt.
Drain, flush and refill cooling system. See Engine
Coolant on page 5-23 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, 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).
63,000 Miles (105 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
66,000 Miles (110 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
69,000 Miles (115 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
72,000 Miles (120 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
6-11