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:
Front seats
Manual adjustments
Head restraint
To raise, pull upwards. To lower, press on the unlocking button and on the head
restraint. The adjustment is correct when the upper edge of the restraint is ...
Trims
The new Citroën C4 is available in three trim levels - VTR, VTR+ and
Exclusive.
The entry-level VTR comes generously equipped, including six airbags, ESP,
Hill Start Assist, manual air cond ...
Hill start assist
To aid starting on a gradient, your vehicle is equipped with a system which keeps
it immobilised for a short time (about 2 seconds), the approximate time it takes
to move your foot from the brake ...






