Volvo S80 2003 2.4 petrol service and maintenance

Engine oil

Engine oil capacity: 5.5 litres (5.8 quarts)
Oil change interval is 10,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30

Air filter

Air filter change interval is 20,000 km.
After prolonged driving in particularly dusty conditions, it is advisable to check the condition of the air filter earlier and replace it if the filter is visibly dirty.

Fuel filter

Volvo S80 2.4 petrol fuel filter change interval is 30,000 km

Spark plugs

Replacement interval for spark plugs is 60,000 km.

Timing belt

Manufacturers recommended timing belt replacement interval for Volvo S80 2.4 petrol is 120,000 km.
Based on practical experience, recommended Volvo S80 2003 2.4 140 Hp Automatic timing belt change interval is 90,000 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.

Serpentine (drive) belt

Volvo S80 2003 2.4 140 Hp Automatic serpentine or alternator belt replacement interval is 60,000 km.