Your 2004-2006 Audi is still in great condition because it was built for optimal longevity and performance. Keep your vehicle going strong by following the Audi service and maintenance schedule. This plan was designed by Audi, for your vehicle, to help it give you the best driving experience for as long as possible. For information on other model years, please see our complete resource list.
Audi Maintenance at 5,000 miles and every subsequent 20,000 mile interval
This service appointment will be one of the most abbreviated services in your schedule. More extensive maintenance comes at other intervals.
- Change oil and replace oil filter,
- Check wiper, washer, and headlight washer adjustment and functionality and add fluid if necessary,
- Rotate tires (done at 5,000 miles only),
- Check all tires, including spare, for pressure and wear,
- Check brakes for damage or leaks, brake pads for thickness, and brake fluid level, and
- Reset service reminder.
For 2005-06 models, you should also check the wiper arm pivot points.
Audi Maintenance at 15,000 miles and every subsequent 40,000 mile interval
At 15,000 miles and following intervals, you will need to complete all of the maintenance tasks from the 5,000 mile checklist as well as the following:
- Check cooling system and add fluid if necessary,
- Check exhaust system for damage or leaks,
- Check fault memory for on-board diagnostics,
- Check engine compartment for leaks,
- Check battery electrolyte level and add if necessary,
- Replace dust and pollen filter,
- Check transmission and final drive for leaks,
- Check dust seals on ball joints and tie rod ends on your front axle,
- Check all lights for functionality and brightness,
- Check drive shaft boots,
- Lubricate all doors and check straps, and
- Take a road test to ensure your Audi is functioning to the best of its ability.
For 2005-06 models, you'll also need to check the underbody for leaks.
Model Specific Maintenance:
- For the TT, you will also need to change the oil for your Haldex Clutch.
- If you have a sunroof, clean the guide rails and lubricate rails with grease spray.
- At 55,000 miles only for the Allroad 4.2, S4 and A8: Replace spark plugs.
- At 55,000 miles only for the A4 and A8: Clean housing and replace air filter.
- For the A4, clean the snow screen that comes with the air filter.
- For the A8, lubricate the rear lid hinges.
Audi Maintenance at 35,000 Miles and 75,000 Miles
This is the most extensive service appointment you will make for basic maintenance on your 2004 Audi. It includes all of the elements of your Audi maintenance at 15,000 miles as well as the following tasks:
- Change ATF in your Continuously Variable Transmission,
- Check power steering fluid and add if necessary,
- Clean your air filter housing and replace the filter itself (except for the A4 and A8), and
- At 75,000 miles only, replace ribbed v belt (see model specific maintenance for notes).
Model Specific Maintenance:
- For the TT, change the oil and replace the filter in your DSG (direct shift gearbox) (3.2L only). You'll also need to change the oil and the filter in your Haldex Clutch.
- For the A4, A4 Avant, A4 Cabriolet, S4, S4 Avant, S4 Cabriolet, A6 and A8: Remove the cover to the plenum panel to check water drains and clean if necessary.
- If your Audi features a front sunroof, be sure to open the sunroof to check front water drain and clean if necessary.
- At 75,000 miles for the 1.8T, 3.0L and 4.2L V8 except Allroad V8 and S4, replace the timing belt. For the 2.7L turbo, also replace the Timing Belt Tensioning System.
- Change your spark plugs at 35,000 miles and 75,000 miles for all except Allroad 4.2, S4 and A8
- Ribbed V Belt: For the 3.2L VR6 and 3.0L V6, you'll only need to check the condition, not fully replace the belt.
Audi Maintenance Regardless of Mileage:
Every two years, replace your brake fluid. For the Audi A4 Cabriolet cloth top, check the function and rollover protection every two years.