Air filter change Audi A4 2001 - 2004 | Haynes Manuals
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Time
0.2 hours
Difficulty
Air filter location
Undo two retaining screws on the air filter body
Carefully remove air duct
Remove second air duct
Undo the MAF sensor plug
Now release the air intake
Undo the 2 Phillips retaining fixings
Carefully lift away the top section of the air filter body
View of the air filter cover
Air filter in position
Now you can lift out the air filter
Clean off any debris on the surface of the filter. Replace with new filter if heavily contaminated
Check air filter box for debris. Clean if required, now replace the air filter
Reassemble the air filter housing
Undo the circular clip on the air intake, use a screwdriver for this
Relocate wiring