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Changing the Engine Air Filter C4 2004 - 2010 | Haynes Manuals

Time
45 minutes
Difficulty
Air filter location
Start by undoing the wiper arm - use a 16mm spanner
Undo two retaining bolts to release bracket
Undo the 2 retaining fixings - use Torx-15 socket and remove brake fluid reservoir. Carefully set to one side
Undo circular clip on the air intake - use a 7mm socket or screwdriver to do this
Undo the second circular clip on the air intake - use a 7mm socket or screwdriver
Unplug the MAF sensor
Now you can release the air intake
Now undo the 3 x 4mm Allen Key retaining bolts
Carefully lift away the air filter box
View of the air filter cover
Air filter in position
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. Replace the air filter
Reassemble the air filter housing