low oil pressure Citroen XSARA PICASSO 2004 1.G Workshop Manual

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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
PARTICLE FILTER SAFETY AND CLEANLINESS REQUIREMENTS
Operations on the fuel additive circuit.
IMPERATIVE: For all operations on the additive circuit, wear protective goggles and gloves that are resistant to hydrocarbons.
The work area must be ventilated.
In the event of any significant dispersion of additive:
Wear a breathing mask for filtering the particles.
Recover as much of the product as possible.
Place the product thus recovered in an appropriately labelled container. Wash the soiled area with copious amounts of water.
Dispose of materials and solid residues in an authorised recovery point.
IMPERATIVE:The filling kit should be recycled following a repair. All «Eolys» additive containers that have been opened should be
disposed of.
Cleanliness rules.
ESSENTIAL: The operator should wear clean overalls.
Before working on the injection circuit, it may be necessary to clean the unions of the following sensitive components(see corresponding operations).
Fuel filter.
Fuel high pressure pump.
Fuel high pressure regulator.
Fuel high pressure common injection rail. Fuel high pressure piping. Diesel injector carriers.
IMPERATIVE: After dismantling, immediately blank the unions of the sensitive components with plugs, to prevent any ingress of impurities.
ALL TYPES

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CLUTCH
GEARBOX
TRANSMISSION
AL4 AUTOMATIC GEARBOX
Tightening torques (m.daN).
(1)
Oil flow modulation electrovalve fixing: 1 ± 0,2
(2)
Heat exchanger fixing:5 ±1
(3)
Output speed sensor fixing:1 ±0,2
(4)
Output speed sensor fixing: 1 ± 0,2
(5)
Oil overflow and drain fixing: 4 ± 0,2
(6)
Oil level plug:2,4 ±0,4
(7)
Oil pressure sensor fixing: 0,8 ± 0,1
Engines: KFV NFU RFN RHZ
C3 XSARA XSARA PICASSO
B2CP3EDDB2CP311D

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SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
Compressor lubricant
ESSENTIAL: The compressor lubricant is extremely hygroscopic; always use FRESH oil.
Checking the compressor oil level
There are three specific cases:
1/
Repairs to a system without leaks.2/Slow leak.3/Fast leak.
1/ Repairing a system without leaks.
a)Using draining/recovery equipment not fitted with an oil decanter.
Drain the system as slowly as possible via the LOW PRESSUREvalve, so as not to lose any oil.
No more oil should be added when filling the system with
R 134.a fluid.
b) Using draining/filling equipment fitted with an oil decanter. Drain the R 134.afluid from the system in accordance with the instructions in the equipment handbook.
Measure the amount of oil recovered.
Add the same amount of
NEWoil when filling the system with R 134.afluid.
c) Replacing a compressor. Remove the old compressor, drain it and measure the oil quantity.
Drain the new compressor (supplied full), so that the same amount of NEWoil is left in the compressor as was in the old compressor.
No more oil should be added when filling the system with R 134.afluid.
AIRCONAIRCON