Audi A6 2004 4.2 petrol service and maintenance
335 HP, 420 Nm, Automatic gearbox, All wheel drive (AWD, 4x4)
Engine oil
Oil change interval is 15,000 km or one year, whichever comes first.
Spark plugs
Replacement interval for spark plugs is 30,000 km.
Engine coolant
Engine coolant (antifreeze) recommended replacement interval for Audi A6 4.2 petrol 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 4.2 is recommended every 60,000 km or 4 years.
Transfer case oil change
Transfer case oil change for Audi A6 4.2 is recommended every 60,000 km or 4 years.
Always consult your vehicle manufacturer's service manual for service intervals and specifications!