Audi 80 Quiz
Air Filter and Intake Ducts

Replacing the Air Filter Element

In this manual: Air Filter and Intake Ducts
Technical Description — 39Engines — 41Exhaust System — 13Cooling System — 28Fuel tank and fuel pump — 12Air Filter and Intake Ducts — 13Mono-Motronic Injection System — 18Digifant Injection System — 19KE-III-Jetronic Injection System — 35MPI and MPFI Injection Systems — 32Clutch — 11Transmission and Driveline — 21Suspension and Steering — 33Brake System — 41Anti-lock brake system — 8Wheels and Tires — 13Body Electrical System — 35Ignition System — 24Lighting — 14Signaling Devices — 7Instruments and Auxiliary Equipment — 54Heating and Ventilation — 7Body Components — 18Troubleshooting — 6Specifications — 13
~1min read

Audi recommends replacing the air filter element every 30,000 km. Under normal operating conditions this interval is quite sufficient, especially if the filter element is cleaned between replacements. However, when driving on unpaved roads, replacement must be considered much earlier, even though the filter element is cleaned more often.

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A quick Audi 80 quiz: every answer comes with an explanation and a link to the manual page.