Chevrolet Aveo 2008 1.4 petrol service and maintenance
Engine oil
Engine oil capacity: 5 litres (5.3 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30 GM Dexos2
Timing belt
Manufacturers recommended timing belt replacement interval for Chevrolet Aveo 1.4 petrol is 150,000 km.
Based on practical experience, recommended Chevrolet Aveo 2008 1.4 timing belt change interval is 120,000 km when belt should be replaced, or at least periodically check the belt's condition after this mileage and replace it at the first sign of damage.
Running your car in aggressive environments (e.g. salt, sand, etc.) causes timing belt to degrade faster and reduces its lifespan; under such conditions, the belt may need to be replaced sooner.

Chevrolet Aveo 2008 1.4 2008 - 2011 Chevrolet Aveo 2008 technical data
Chevrolet Aveo 2008 owner reviews
Always consult your vehicle manufacturer's service manual for service intervals and specifications!