Audi A6 2004 3.0 diesel service and maintenance

Engine oil

Engine oil capacity: 8.2 litres (8.7 quarts)
Oil change interval is 15,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30

Engine coolant

Engine coolant (antifreeze) recommended replacement interval for Audi A6 3.0 diesel is 75,000 km or 5 years, whichever comes first.

Gearbox oil change

Audi A6 automatic transmission oil change interval is 60,000 km.

Haldex (AWD system) oil change

Haldex (AWD system) oil change for Audi A6 3.0 is recommended every 60,000 km or 4 years.

Transfer case oil change

Transfer case oil change for Audi A6 3.0 is recommended every 60,000 km or 4 years.