1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 140 N⋅m at 3800 RPM engine (1994.11–2000.10)
every 120000 km
1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 140 N⋅m at 3800 RPM engine (1994.11–2000.10)
every 120000 km
1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 145 N⋅m at 3800 RPM engine (1994.11–2000.10)
every 120000 km
1.6 with gasoline straight-4 1.6 L 99 HP, 140 N⋅m engine (1994.11–2000.10)
every 120000 km
All other modifications
every 120000 km / 5 years
Air filter change interval
every 60000 km
Battery emergency call system change interval
every 4 years
Brake fluid change interval
every 2 years
expand_moreEngine timing belt change interval
1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 140 N⋅m at 3800 RPM engine (1994.11–2000.10)
not prescribed by the manufacturer
1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 140 N⋅m at 3800 RPM engine (1994.11–2000.10)
not prescribed by the manufacturer
1.6 with gasoline straight-4 1.6 L 99 HP at 5300 RPM, 145 N⋅m at 3800 RPM engine (1994.11–2000.10)
not prescribed by the manufacturer
1.6 with gasoline straight-4 1.6 L 99 HP, 140 N⋅m engine (1994.11–2000.10)
not prescribed by the manufacturer
1.8 T with gasoline straight-4 1.8 L 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM engine (1995.1–2000.11)
every 120000 km
1.8 T with gasoline straight-4 1.8 L 148 HP engine (1995.1–2000.11)
every 120000 km
1.8 T with gasoline straight-4 1.8 L 148 HP engine (1995.1–2000.11)
every 120000 km
1.8 T with gasoline straight-4 1.8 L 148 HP engine (1995.1–2000.11)
every 120000 km
1.8 T with gasoline straight-4 1.8 L 148 HP, 210 N⋅m engine (1995.1–2000.11)
every 120000 km
1.8 T with gasoline straight-4 1.8 L 177 HP engine (1997.12–2000.11)
every 120000 km
1.8 with gasoline straight-4 1.8 L 114 HP engine (1995.4–2000.11)
every 180000 km
1.8 with gasoline straight-4 1.8 L 123 HP engine (1995.1–2000.11)
every 180000 km
1.8 with gasoline straight-4 1.8 L 123 HP engine (1995.1–2000.11)
every 180000 km
1.8 with gasoline straight-4 1.8 L 123 HP engine (1995.1–2000.11)
every 180000 km
1.8 with gasoline straight-4 1.8 L 123 HP, 173 N⋅m engine (1995.1–2000.11)
every 180000 km
1.9 TDI with diesel straight-4 1.9 L 109 HP at 4150 RPM, 235 N⋅m at 1900 RPM engine (1995.10–2000.11)
every 90000 km
1.9 TDI with diesel straight-4 1.9 L 109 HP engine (1995.10–2000.11)
every 90000 km
1.9 TDI with diesel straight-4 1.9 L 74 HP engine (1995.12–2000.11)
every 90000 km
expand_more1.9 TDI with diesel straight-4 1.9 L 89 HP at 4150 RPM, 235 N⋅m at 1900 RPM engine (1995.1–2000.11)
AHH engine
every 60000 km
Otherwise
every 90000 km
2.5 TDI with diesel V6 2.5 L 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM engine (1997.9–2000.11)
every 120000 km
2.5 TDI with diesel V6 2.5 L 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM engine (1997.9–2000.11)
every 120000 km
2.6 with gasoline V6 2.6 L 148 HP, 225 N⋅m engine (1995.1–2000.11)
not prescribed by the manufacturer
All other modifications
every 120000 km / 5 years
expand_moreEngine timing belt test mode
2.5 TDI with diesel V6 2.5 L 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM engine (1997.9–2000.11)
every 30000 km
2.5 TDI with diesel V6 2.5 L 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM engine (1997.9–2000.11)
every 30000 km
2.6 with gasoline V6 2.6 L 148 HP, 225 N⋅m engine (1995.1–2000.11)
every 60000 km
All other modifications
not prescribed by the manufacturer
expand_moreEngine control unit tensioning roller change interval
1.9 TDI with diesel straight-4 1.9 L 109 HP at 4150 RPM, 235 N⋅m at 1900 RPM engine (1995.10–2000.11)
every 90000 km
1.9 TDI with diesel straight-4 1.9 L 109 HP engine (1995.10–2000.11)
every 90000 km
1.9 TDI with diesel straight-4 1.9 L 74 HP engine (1995.12–2000.11)
every 90000 km
expand_more1.9 TDI with diesel straight-4 1.9 L 89 HP at 4150 RPM, 235 N⋅m at 1900 RPM engine (1995.1–2000.11)
AHH engine
every 60000 km
Otherwise
every 90000 km
All other modifications
every 120000 km / 5 years
Engine oil and filter change interval
during each oil service according to interval display
expand_moreFuel filter change interval
All other modifications
every 30000 km
Injection pump belt change interval
every 120000 km
Injection pump belt test mode
every 30000 km
Interior filter change interval
every 30000 km
Spark plug change interval
every 60000 km / 6 years
To save your time and money and be safe on the road service your car as prescribed in Audi A4 service schedule. Regular service will extend your car live and will save you money in long term.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 Audi A4 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A4 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 1998 Audi A4 you're not only saving money, but also also improving your technical skills and learning something new.