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MAINTENANCE -> Diesel Injection Equipment for Your Citroen C4 SUV First Generation (2004-2010)

D I E S E L I N J E C T I O N E Q U I P M E N T  
Bleeding of water from the  
diesel fuel filter  
To be bled on a regular basis (at  
every oil change).  
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2
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.  
1
4
Protection cover  
Engine HDi 138  
Remove the protection cover by  
first unclipping point 1, then 3  
and 4. Detach point 2 by pulling  
towards you, then lift.  
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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.  
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D I E S E L I N J E C T I O N E Q u I P m E N T  
Priming the fuel system  
In the event of running out of fuel:  
- After filling (5 litres minimum),  
operate the manual priming  
pump until some resistance is  
felt.  
- Operate the starter motor while  
depressing the accelerator pedal  
slightly until the engine starts.  
If the engine fails to start at the first  
attempt, wait 15 seconds before  
trying again.  
If the engine fails to start after  
several attempts, repeat the pro-  
cedure from the beginning.  
When the engine is idling, accel-  
erate slightly to complete the  
bleeding of the circuit.  
Engine HDi 138  
Detach the protection cover to  
access the priming pump.  
Engine HDi 92 and 110  
Detach the protection cover to  
access the priming pump.  
V
HDi engines are of a highly technical nature.  
All maintenance and repairs require specific qualifications which  
only your CITROËN Dealer can guarantee.  
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