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Replacing the AdBlue Tank of the Citroen C4 HDI

Model: Citroen C4 Picasso MK 1 - Years 2006-2013
Part: Checks and maintenance

This guide provides instructions to remove and replace the AdBlue tank for reducing CO2 emissions on the Citroen C4 Picasso HDI and other models from the manufacturer with Euro 5 engines. First, raise the vehicle and begin by removing the plastic shield located near the metal shield of the exhaust manifold; then disconnect the electrical connector and remove the pipe to take out the old AdBlue tank, as shown in the video. Install the new tank and reassemble everything!

Updated on 29 June 2026 by ScegliAuto

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To open the bonnet on this vehicle, follow these simple instructions: first, open the driver's door and locate the lever positioned just below the dashboard, marked with an image of the vehicle with the bonnet open. Pull this lever towards you until you hear a "click" indicating the bonnet is released. Next, exit the cabin and stand in front of the bonnet to disengage the safety catch and complete the opening. To do this, slightly lift the bonnet, locate the yellow lever underneath, and pull it to the left to fully release and open the bonnet.

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by ScegliAuto

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