Volvo 850 1994 2.5 diesel service and maintenance

Engine oil

Engine oil capacity: 6 litres (6.3 quarts)
Oil change interval is 15,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-40

Air filter

Air filter change interval 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

Volvo 850 2.5 diesel fuel filter change interval is 30,000 km

Timing belt

Manufacturers recommended timing belt replacement interval for Volvo 850 2.5 diesel is 120,000 km.

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 850 1994 TDI 2.5 Estate serpentine or alternator belt replacement interval is 120,000 km.