Injectors Citroen XSARA PICASSO 2004 1.G Workshop Manual

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INJECTION
PROHIBITED OPERATIONS: SIEMENS HDI DIRECT INJECTION SYSTEM
Engines: 8HX 8HW 8HZ
Diesel injectors.
WARNING: Diesel and ultrasonic c
leaners are prohibited.
Do not separate the following components from the diesel injector
carrier
(2):
Diesel injector
(f)(no replacement parts).
Electromagnetic element
(c)(no replacement parts).
Do not alter the position of the nut
(d)(malfunction).
Do not separate the connector
(e)from a diesel injector.
It is forbidden to clean the carbon deposits from the diesel injector
nozzle.
B1HP1KACB1HP1KBC
C2 C3 XSARA

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INJECTION
PROHIBITED OPERATIONS: DELPHI HDI DIRECT INJECTION SYSTEM
Engines: 8HY 8HV
B1HP1J7CB1HP1J8C
Fuel high pressure injection common rail.
Do not separate the pressure regulator «c»from the injection
common rail (2)(Risk of malfunction).
Diesel injectors.
WARNING:
Diesel and ultrasonic cleaners are prohibited.
Do not separate the following components from the diesel
injector carrier
(3):
Diesel injector (e)(no replacement parts).
Electromagnetic component «d»(no replacement parts).
It is forbidden to clean the carbon deposits from the diesel
injector nozzle..
C3

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INJECTION
PROHIBITED OPERATIONS: HDi DIRECT INJECTION SYSTEM
Engines: RHY RHZ
XSARA PICASSO
High pressure fuel injection common rail. Do not separate the connectors (7)from the common injection rail (6)(malfunction).
Diesel injectors.
WARNING:Diesel and ultrasonic cleaners are prohibited.
Do not separate the following components from the diesel injector carrier (9):
Diesel injector (8)(no replacement parts).
Electromagnetic element (11)(destruction).
Do not alter the position of the nut (10)(malfunction).
Do not separate the connector (12)from a diesel injector.
It is forbidden to clean the carbon deposits from the diesel injector nozzle.
Identification: Injector carrier
There are two types of diesel injector carrier classed according to fuel flow.
Identification by engraving or paint mark
B1HP12EC
B1HP12DC
B1HP16PC
IMPERATIVE: When replacing a
diesel injector carrier, order a
component of the same class.
(See repair manual)
Identification markings:
«a»:Supplier identification.
«b»:PSA identification number.
«c»:Class identification.
Injector carrier
Class 1
Class 2
Engraving
1
2
Paint mark
Blue
Green
Location
On the upper part of the
coil near to the fuel return
aperture

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INJECTION
FITTING DELPHI DIESEL INJECTORS
Engine: WJY
B1DP158CB1HP12VCB1HP0YGC
Fitting an injector.
The copper seal (1)and the
fire seal washer (3)are to be
replaced each time they are
removed.
NOTE:Fitting parts of diffe
rent makes is PROHIBITED.
WARNING:Ensure that the
fire seal washer (3)is fitted
the right way round.
Tighten the injector holder
on the cylinder head to:
9 m.daN
[1] Tool to remove/refit injectors: 7007T
[2] : 7008T.A Tool kit 4123T
(3)Tighten lightly to prevent any distortion.
XSARA

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INJECTION
INJECTION PUMP SPECIFICATIONS (BOSCH and SIEMENS)
Engines Injection system ECU High pressure pump Injectors
BOSCH
BOSCH EDC 15C2
SIEMENS ECUSID801
BOSCH EDC 15C2BOSCH CP1
5WS 40001
BOSCH CP19625542580
5WS40000
9625542580 SIEMENS (except PICASSO)
BOSCH
DW
10TD
ATED
XSARA PICASSO
DV 6 TEBOSCH EDC 16C3BOSCH CP 3.2
760680

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INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Engines: 8HV 8HY 9HZ 9HY
Tools.
[1] Ø 10 mmlow pressure connector: 4215T.
[2]Pressure gauge for testing boost pressure: 4073T.A Tool kit 4073T
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel
injection engines.
Remove the air filter duct.
Link tool [1]in series, downstream of the injectors, between the fuel high pressure pump
and the fuel filter at «a»and «b».
WARNING:Any checking of pressure downstream of the fuel filter is prohibited.
Switch on the ignition.
ESSENTIAL: Check that the tool [2] is clean.
Check the negative pressure according to the table below:
VacuumObservations
10 ±05 cmhg
Engine driven by the starter motor
20 ± 20 cmhg
60 ± 05 cmhgEngine running under full load
Supply circuit obstructed
(full tank
strainer, piping, fuel filter).B1BP2PHC
C3 XSARA PICASSO

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INJECTION
XSARA PICASSO
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Engines: RHY RHZ
Tools.
[1] Ø 10 mm
low pressure connector: 4215T.
[2] Ø 8 mmlow pressure connector: 4218 T.
[3]Pressure gauge for testing boost pressure: 4073 T Kit 4073 T
Connect the tool [1]between the booster pump and the fuel filter (white mark at "a" on the
fuel supply pipe).
Connect the tool [2]downstream of the diesel injectors, between the high pressure fuel
pump and the fuel filter (green mark at "b"on the fuel return pipe).
WARNING: Any check of pressure downstream of the fuel filter is PROHIBITED.
Checks on pressure:static.
Switch on ignition
For 3 seconds(normal functioning):
Fuel supply pressure shown by the pressure gauge [3] = 1.8 ± 0.4 Bar. Fuel return pressure shown by the pressure gauge [3] = 0.5 ± 0.4 Bar.
B1BP1TWD