Citroen Xantia 1998 1.8 petrol service and maintenance
Engine oil
Engine oil capacity: 5.5 litres (5.8 quarts)
For regular oil change Citroen Xantia 1998 1.8 petrol takes approx. 5 litres of oil, 5.5 litres is total engine oil capacity.
Oil change interval is 15,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W40, 10W40
Air filter
Replacement interval for the air filter is 30,000 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
Citroen Xantia 1.8 petrol fuel filter replacement interval: 60,000 km
Spark plugs
Recommended spark plugs change interval is 30,000 km.
Timing belt
Manufacturers recommended timing belt replacement interval for Citroen Xantia 1.8 petrol is 80,000 km.
The experience of Citroen Xantia owners confirms that timing belt does in fact last for the specified mileage.
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
Citroen Xantia 1998 Break 1.8i serpentine or alternator belt replacement interval is 60,000 km.
Engine coolant
Engine coolant (antifreeze) recommended replacement interval for Citroen Xantia 1.8 petrol is 120,000 km or 5 years, whichever comes first.

Citroen Xantia 1998 Break 1.8i 1998 - 2000 Citroen Xantia 1998 technical data
Citroen Xantia 1998 owner reviews
Always consult your vehicle manufacturer's service manual for service intervals and specifications!