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How to Replace the Air Filter and Fuel Filter on Citroen C4

Model: Citroen C4 Picasso MK 1 - Years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Diesel fuel filter

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Video tutorial

The first step is to lift the bonnet and secure it with the prop rod; then remove the engine cover. Start with the air filter: unscrew the three Torx screws to take off the cover that encloses the filter.

Once the cover is removed, take the old, dirty filter and replace it with the new one. Next, proceed to replace the fuel filter, covering the air filter with a bit of paper and begin unscrewing the filter where it is secured with screws. Once the screws are removed, disconnect the pipes attached to the fuel filter, then unscrew the last screw and you can remove the fuel filter.

Now remove the filter cover by turning the drain rod clockwise. Unscrew the screws and replace the old filter with the new one, then refit the cover onto the filter (turn the lever clockwise and lock it). Now connect the main pipe.


Updated on 23 May 2026 by ScegliAuto


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by ScegliAuto

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