H7 front Citroen C5 2000 (DC/DE) / 1.G User Guide

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99
EXHAUST SPECIFICATIONS
Engines : RHY- RHZ
Tightening torques (m.daN)
(2) Collars2.5 ± 0.3
Repair
Respect the precautions to be taken when operating
on a vehicle.
The flexible pipe must not come into contact with
corrosive products.
Do not distort the flexible pipe by more than20°
angular (X), 20mmaxial, 25 mmshear (Y)
(flexible pipe not fitted).
Do not distort the flexible pipe by more than 3°
angular(X), 0 mmaxial, 3 mmshear
(Y)(flexible pipe in place).
WARNING :Non-respect for these precautions will
result in a reduction in the lifetime of the flexible
pipe. It is thus essential to disconnect or remove
the exhaust line in any operation necessitating the
lifting of the power unit.
Engines Front pipe (1) Catalytic converter (3) Rear silencer (4)
RHY - RHZ Flexible PSA K 185 PSA 4157
B1JP02HDB1JP02JC

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100
EXHAUST SPECIFICATIONS
Engine : 4HX
Tightening torques (m.daN)
(2) Collars 2.5 ± 0.3
Repair
Respect the precautions to be taken when
operating on a vehicle.
The flexible pipe must not come into contact
with corrosive products.
Do not distort the flexible pipe by more than20°
angular (X), 20mm axial, 25 mmshear (Y)
(flexible pipe not fitted).
Do not distort the flexible pipe by more than 3°
angular (X),0 mmaxial, 3 mmshear
(Y)(flexible pipe in place).
WARNING :Non-respect for these precautions
will result in a reduction in the lifetime of the
flexible pipe. It is thus essential to disconnect or
remove the exhaust line in any operation neces-
sitating the lifting of the power unit.
Engine Front pipe (1) Pre-catalyser (3) Particle filter (4) Rear silencer (5)
4HX Flexible PSA K 186 PSA F 002 PSA 4158

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INJECTION
FEATURES OF MULTIPOINT INJECTION SYSTEM
Electrical circuit
(diagr.) Component Supplier Reference Observations
3
26
35
32
33
2
28
27Engine management ECU
with «FRIC»
Camshaft position sensor
Knock sensor
Engine coolant temperature sensor
Engine speed sensor
Power steering pressure sensor
Sparking plug
Ignition coilSAGEM
MAGNETI
MARELLIS2000
MM 48.P2
(1)
144323
F 207 326
257 603 2A
14 43 32
402 244 03
14 43 27
280 291
RFN52HZ
FR8ME
BBC2.2NDE
2 526 118 ELECTRIFIL
SIEMENS
SAGEM (1)
ELECTRIFIL
DAV
ELECTRIFIL
BITRON
(1)= EngineRFN
Ignition circuit
SAGEM
BOSCH
SAGEM
«Flash» eprom (reprogrammable eprom), sequential injection,
112 way connector.
3 way grey connector, fixed on the cylinder head
2 way black connector, fixed on the front part of the engine
block, tightening torque 2 ± 0.5 m.daN.
2 way green connector, fixed on the coolant outlet housing,
tightening torque 1.8 ± 0.1 m.daN.
2 way black connector, fixed on the clutch casing.
2 way blue connector, fixed on the power steering high pressure
pump outlet tube, tightening torque 2 ± 0.2 m.daN.
Electrode gap = 1mm.
Tightening torque 2.5 ± 0.2 m.daN.
4 way black connector.

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Electrical circuit
(diagr.) Component Supplier Reference Observations
35Engine management ECU
with «FRIC»
26Camshaft position sensor
10Knock sensor
9Engine coolant temperature
sensor
1Accelerator pedal position sensor
24Engine speed sensor
28Power steering pressure sensor
25Inlet camshaft dephaser electrovalve.112 way connector.
3 way grey connector, fixed on the cylinder head.
2 way black connector, fixed on the front part of the engine
block.
ESSENTIAL:Respect the tightening torque 2,5±0,5 m.daN.
2 way green connector, fixed on the coolant outlet housing.
4 way black connector, fixed on the pedal carriage.
2 way black connector, fixed on the clutch casing.
2 way blue connector, fixed on the power steering high pressure
pump outlet tube, tighten to 2 ± 0,2 m.daN.
2 way green connector, fixed on the upper part of the cylinder
head. SIEMENS
ELECTRIFIL
SIEMENS
ELECTRIFIL
BITRON
UNISIASIRIUS 81
F207 326
145
INJECTION

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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Fuel circuit
(diagr.) Component Supplier Reference Observations
Recommended fuel
33Fuel tank
9Pump, fuel filter and pressure
regulator assembly
34Canister reservoir
15Canister purge electrovalve
18Petrol injector
31Pulse damper
25Integral pressure sensor
14Motorised butterfly housing
26Accelerator pedal position
sensorSuper unleaded 95 RON or 98 RON
Capacity = 66 Litres, polyethylene.
Electric pump immersed in the tank, voltage = 12 V,
Bars, Flow = 115 at 120 l/h, regulation pressure = 3,5 Bars.
Located under front LH wing.
Electrovalve normally closed. 2 way brown connector, located
under the front LH wing, resistance = 24 ohms.
Group of injectors 1.2.3: 2 way brown connector.
Group of injectors 4.5.6 : 2 way yellow connector, injector
with 4 jets. Resistance = 16 ohms.
Installed on the timing cover, equipped with a SCHRAEDER
valve.
2 way black connector, incorporated in the air inlet manifold.
Double potentiometer, supply = 5 Volts, fixed on the engine
compartment. MARWAL
PURFLUX
BOSCH
BOSCHPPGF 30
0 280142 317
EV 8 E
0280155613
0280161500
DS-S2
0261260140
Air circuit

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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Ignition circuit
(diagr.) Component Supplier Reference Observations
32Sparking plug
17Pencil type ignition
coils
20Upstream oxygen sensors
21Downstream oxygen sensorsElectrode gap = 1 mm.
Tightening torque 2.5 ± 0.1 m.daN.
4 way black connector
Static type ignition.
4 way green connector.
Front fixing :
On the exhaust manifold.
Rear fixing :
On the front precatalyser.
4 way blue connector.
Fixed on the precatalyser.
Tightening torque 5 ± 0,1 m.daN. BOSCHFGR8MQPE
BAC 1
2526140
258040232 SAGEM
BOSCHExhaust system

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INJECTION
Component (diagr.) Supplier Reference Observations
88 way connector. Flash eprom type sequential
Diesel injection ECU1BOSCHEDC 15C2 injection (reprogrammable eprom). Installed in the
ECU compartment.
Engine speed sensor2ELECTRIFIL
Camshaft position sensor3ELECTRIFIL Air gap value : 1,2 mm.
Coolant temperature sensor7ELECTRIFIL 962859028A Fixed on the coolant housing.
Accelerator pedal sensor8PHILIPS
Vehicle speed sensor9EATON On the gearbox.
Brake pedal switch10aOpen at rest.
10bClosed at rest.
Clutch pedal switch11
Atmospheric pressure sensor12BOSCHIntegrated in the injection ECU.
Battery
13FULMEN058426 – 12 Volt
400 ampsUnder the bonnet.
Injection double relay14BITRON 240 10915 way black connector. Installed in the ECU
compartment.
FIRST3 way black connector. Installed in the front RH
Inertia switch30INERTIA Type 505wheelarch, fixed on the suspension mounting.
SWITCHManual rearming in the event of the cut-out system
being activated.
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Electrical circuit

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INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Component (diagr.) Supplier Reference Observations
88 way connector. Flash eprom type sequential
Ignition injection ECU1BOSCHEDC 15C2 injection (reprogrammable eprom). Installed in the
ECU compartment.
FIRST3 way black connector. Installed in the front RH
Inertia switch34INERTIA Type 505wheelarch, fixed on the suspension mounting.
SWITCHManual rearming in the event of the cut-out system
being activated.
Injection double relay15BITRON 240 10915 way black connector. Installed in the ECU
compartment.
Battery14VA R TAL2 – 12 volts
400 ampsEngine compartment..
Atmospheric pressure sensor13BOSCHIncorporated in the injection ECU.
Central diagnostic socket36In the passenger compartment.
Diagnostic warning lamp35Incorporated in the dashboard instrument panel.
Vehicle speed sensor10EATON On the gearbox.
Preheater warning lamp40Incorporated in the dashboard instrument panel.
Rev counter39Incorporated in the dashboard instrument panel.
Consumption information 38Incorporated in the dashboard instrument panel.
Engine speed sensor2ELECTRIFIL
Camshaft position sensor3ELECTRIFIL Airgap value : 1,2 mm.
Electrical circuit

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RECOMMENDATIONS - PRECAUTIONS (AL 4 and 4 HP 20 AUTOMATIC GEARBOXES)
Engines : 6FZ - RFN - RHZ - XFX - 4HX
Towing
The front of the vehicle must be raised in order to be towed.
If the front of the vehicle cannot be raised :
IMPERATIVE : - Put gear lever in position «N».
- Do not add any oil.
AL4 gearbox
- Do not exceed 50 km/h (30mph) over a distance of 50 km (30 m).
4 HP 20 gearbox
- Do not exceed 70 km/h (45mph) over a distance of 100 km (60 m).
Driving.
Never drive with the ignition switched off.
Never push the vehicle to try to start it;
(impossible with an automatic gearbox).
Lubrication
The automatic gearbox is only lubricated when the engine is running.Removing - refitting. (Automatic gearbox).
WARNING : Never place the gearbox on its lower casing
(risk of deforming the tray and damaging the hydraulic valve block).
Never use the connections as handles for raising, turning, holding or
pushing the gearbox.
ESSENTIAL :
- Fit the converter retaining peg while the gearbox is removed.
- Fit the centring peg to locate the gearbox on the engine:
(remove the converter retaining peg just before locating)
WARNING :With the emergency programme selected, an impact is
felt when changing from ‘‘P’’‘‘R’’or ‘‘N’’‘‘R’’.
Precautions to be taken
CLUTCH
GEARBOX
DRIVESHAFTS

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(With or without Auto. gearbox) (With or without Auto. gearbox)
X-SX X-SX Exclusive
Engine type 6FZ RFN
TyreS195/65 R15-HX1 ENERGY-1.920 m
Circumference
O195/65 R15-HX1 ENERGY-1.920 m
WheelT6 JX 15 H2-4.18(A)6JX15H2-4.18 SYLVESTONE
A6 JX 15 H264.18 SYLVESTONE
Pressure Front/ Rear (1)2.3/2.3
(Bars) Front/ Rear (2)2.3/2.7
TyreS195/65 R15-HX1 ENERGY-1.920 m
SpareCircumference
O195/65 R15-HX1 ENERGY-1.920 m
WheelT6 JX 15 H2-4.18
wheel
T6 JX 15 H2-4.18
Pressure (Bars)2.7
Electronic
under-inflation detection
No (*)
WHEELS AND TYRES
Symbols and abbreviations used S = Standard fittingT = Steel wheel O = Option fittingA= Alloy wheel
(1) = Normal operating pressure(Max. 4 persons and 40 kg in the boot).
(2) = Pressure under load (More than 4 persons and «MAXI» load in the boot).
(*) = Possibility of «space saver»type spare wheel option. .
205
AXLES
SUSPENSION
STEERING