Audi A4 2009 2.0 diesel service and maintenance

Engine oil

Engine oil capacity: 4.6 litres (4.9 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30

Timing belt

Manufacturers recommended timing belt replacement interval for Audi A4 2.0 diesel is 180,000 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.