Diesel injection equipment

Bleeding of water from the diesel fuel filter
To be bled on a regular basis (at every oil change). To evacuate the water, slacken the bleed screw or the water in diesel fuel sensor, which is located at the base of the filter, until water ceases to flow out. Then retighten the bleed screw or the water in diesel fuel sensor.

Protection cover
HDi 135 and 140 engines
Remove the protection cover by first unclipping point 1, then 3 and 4. Detach point 2 by pulling towards you, then lift. To reposition the protection cover, attach point 2 first. Lower the cover, keeping it centred. Clip points 1 and 4, pushing vertically and slightly rearwards. Clip point 3 pushing down vertically.
HDi engines are of a highly technical nature. All maintenance and repairs require specific qualifications which only your CITROËN Dealer can guarantee.
See also:
Side airbags
System which protects the driver and
front passenger in the event of a serious
side impact in order to limit the risk
of injury to the chest.
Each side airbag is built into the seat
backrest fram ...
Exterior styling
The new Citroën C4's styling is striking and purposeful, elegant and
assertive. The chiselled profile bristles with premium detailing, giving a clear
impression of strength and stability. The ...
General menu
Press the "MENU" button to gain
access to the general menu , then
press the " " or " " buttons to
scroll through the various menus:
- radio-CD,
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