Filter Citroen C4 2005 2.G Owner's Guide

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INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Checks on pressure: dynamic.
Engine running, at idle (normal functioning):
- Fuel supply pressure shown by the pressure gauge [3] = 2 ± 0.4 bar.
- Fuel return pressure shown by the pressure gauge [3] = 0.7 ± 0.4 bar.
Abnormal functioning
Fuel supply pressure Fuel return pressure Checks
Between 3and 3.5bar0.7 ± 0.2 bar Check the condition of the diesel filter
More than 3.5bar Less than 0.7barCheck the low pressure regulator incorporated
in the filter
(locked shut): replace.
More than 3.5bar More than 0.7barCheck the fuel return circuit
(pipe pinched or trapped…)
Between 0.8and 1.5bar Less than 0.7barCheck the fuel supply circuit:
- Booster pump (low pressure), piping
Impossible to start the engine:Check: diesel injector return flow
(table below).Fuel supply pressure less than 0.8 bar:
- Check the low pressure regulator incorporated in the filter (locked open).- Check the high pressure pump distribution valve (locked shut).Uncouple the diesel injector return pipe.
Check: Observe:
The flow should be drop by drop Diesel injector functioning correctly
Excessive fuel return Diesel injector locked shutEngines: RHY - RHZ (continued)
XSARA PICASSO
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INJECTION
CHECKS: EXHAUST GASES RECYCLING CIRCUIT
Exhaust gas recycling (EGR) valve.
(1)Exhaust gas recycling (EGR) electrovalve
NOTE:The engine ECU pilots the EGR valve.
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION»menu.
- Actuator tests.
- EGR electrovalve.
Check that you can hear the click from the EGR regulation electrovalve.
Double butterfly housing
(vehicle with particle filter).
(2)Double butterfly housing
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION»menu.
- Actuator tests.
- Butterfly.
EGR exchanger butterfly.
Check that you can hear the click from the double butterfly housing.
B1HP1UPC
B1HP1UQC
XSARA PICASSO
Engines: 9HZ - 9HY
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CLUTCH
GEARBOX
TRANSMISSION
CHECKS AND ADJUSTMENTS: BE4/5 GEARBOX CONTROLS
Tools.
[1]Tool for positioning the gear lever: 9607-T
Adjustments.
WARNING: Cables should be adjusted each time
the gearbox, gear controls or power unit are
removed.
Inside the vehicle.
Remove the trim under the gear lever.
Lock the gear lever in neutral position, using tool [1].
Under the bonnet.
Remove the air filter assembly.
Unlock the ball-joint keys at «a».
Place the gear selection and control levers on neutral.
Lock the cable lengths with the ball-joint locking keys.Checks.
Remove the tool [1].
Check that all the gears engage without «tightness».
Check that the gear lever moves identically forwards
and backwards and to right and left.
If it does not, repeat the adjustment.
Refit the trim under the gear lever.
Refit the air filter assembly.
Adjusting the gear controls Engines: NFV - 6FZ - RFN - WJY - 8HX - 8HZ - 9HZ - 9HY - RHY - RHZ
XSARA - XSARA PICASSO
B2CP3C6CB2CP3C0C
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BRAKES
B3FP7EQC
BLEEDING AND FILLING THE BRAKING SYSTEM
Tools.
[1]Bleeding apparatus: «LURO» or similar
[2]LEXIA diagnostic tool: 4171-T
[3]PROXIA diagnostic tool: 4165-T
NOTE:Bleeding of the secondary braking circuit is done with the aid of diagnostic tools [2]and [3].
Draining of the brake fluid reservoir.
Remove the screws (3)and the battery tray (2).
Remove the filter of the brake fluid reservoir (4).
Drain the brake fluid reservoir (4)to the maximum extent
(if necessary, use a clean syringe).
Remove the screws (1).
Uncouple the clickfit union at «a».
Remove the brake fluid reservoir (4).
C4
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BRAKES
B3FP7ESD
BLEEDING AND FILLING THE BRAKING SYSTEM
Disconnect the connector «b».
Uncouple the pipe (5).
Remove the reservoir (6), moving aside the tabs «c»of the pins (7).
Clean the brake fluid reservoir (4) and the brake fluid reservoir (6).
Refit the brake fluid reservoir (6).
Couple the pipe (5).
Reconnect the connector «b».
Couple the clickfit union, at «a».
Refit:
- The brake fluid reservoir (4).
- The screws (1).
- The filter of the brake fluid reservoir.
- The battery tray.
- The screws (3).
- The battery.
Reconnect the battery.
IMPERATIVE: Carry out the operations that are necessary following a reconnection of the
battery
(see corresponding operation).
B3FP7ERC
C4
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AIR
CONDITIONING C5HP1C6C
Pollen filter
Note:The pollen filter is located in the engine compartment
on the RH side.
Removing.
Remove:
- The plastic pins (1).
- The plastic cover (2).
- The flap (3).
- The pollen filter (4).
Refitting.
Proceed in reverse order.
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
C5HP1C5CC5HP1C7C
C4
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AIR
CONDITIONING
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
Pollen filter
XSARA
Removing-refitting.
Remove:
- The interior trim (1).
- The cover (4).
- The pollen filter (3).
Concerns vehicles equipped with aircon without temperature regulation.
Fitting of a new pollen filter necessitates the following operations:
- Engage the pollen filter upwards
(following arrow «c»).- Slide the pollen filter towards the rear (following arrow «d»).- Position the index(4)on the cover forward of the pollen filter ((4)Index on
the cover).
C5HP07JC
C5FP075D
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AIR
CONDITIONING
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
Pollen filter
Remove:
- The three screws (1).
- The cover (2).
Remove the pollen filter.
XSARA PICASSO
B1BP23ED
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CONDITIONING
434
C5HP1CKC
Changing the filtering/drying cartridge
The condenser (4)has a cylinder acting as a fluid reservoir with a filtering cartridge incorporated in it.
a:Inlet union
b:Outlet union
NOTE:The filtering cartridge cannot be swapped.
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)C4
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AIR
CONDITIONING
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
Changing the filtering/drying cartridge
Tools.
[1]Charge station:
(according to workshop equipment)[2]TORX adaptor: TORX 70 FACOM
Removing.
Depressurise the aircon circuit, using tool [1].
Uncouple the hose (2).
Remove:
- The air filter assembly (3).
- The nuts (1).
Protect the radiator harness with strong cardboard cut to the dimensions of the radiator.
Move aside the cooling fan.
Remove:
- The screws (4).
- The brackets (5).
B1BP23FCB1BP23GC
XSARA PICASSO
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