Air filter change Citroen C4 2004 - 2010 | Haynes Manuals

Air filter change Citroen C4 2004 - 2010 | Haynes Manuals

Servicing /

October 2025

1 minute read

Time

45 minutes

Difficulty

Find your vehicle

- step 1

Air filter location

- step 2

Start by undoing the wiper arm - use a 16mm spanner

- step 3

Undo two retaining bolts to release bracket

- step 4

Undo the 2 retaining fixings - use Torx-15 socket and remove brake fluid reservoir. Carefully set to one side

- step 5

Undo circular clip on the air intake - use a 7mm socket or screwdriver to do this

- step 6

Undo the second circular clip on the air intake - use a 7mm socket or screwdriver

- step 7

Unplug the MAF sensor

- step 8

Now you can release the air intake

- step 9

Now undo the 3 x 4mm Allen Key retaining bolts

- step 10

Carefully lift away the air filter box

- step 11

View of the air filter cover

- step 12

Air filter in position

- step 13

Lift out the air filter

- step 14

Clean off any debris on the surface of the filter. Replace with new filter if heavily contaminated

- step 15

Check air filter box for debris. Clean if required. Replace the air filter

- step 16

Reassemble the air filter housing

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