2000 Citroen C5 Hydraulic

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55
CYLINDER HEAD
Engines : RHZ - RHY
Cylinder head gasket identification
Number
of notches at A Thickness
(mm) Engine
platePiston
stand-proud
(mm)
0.47 to 0.605 1.30 ± 0.06 1
0.605 to 0.655 1.35 ± 0.06 2
0.655 to 0.705 1.40 ± 0.06 3
0.705 to 0.755 1.45 ± 0.06 4
0.755 to 0.83 1.50 ± 0.06 5
RHZ
RHY
B1DP15AD
Cylinder head.
- New cylinder head height = 133 mm.
- Maximum permitted deformation = 0.03 mm.
Cylinder head gasket.
Multilayer cylinder head gasket.
Select seal thickness as a function of the piston stand-proud.
Hydraulic followers.
The hydraulic followers have automatic clearance adjustment.

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57
CYLINDER HEAD
Engine : 4HX
Cylinder head gasket identification
Number
of notches
At B At A Thickness
(mm) Engine
platePiston
stand-proud (mm)
0.55 to 0.60 1.25 ± 0.04 1
0.61 to 0.65 1.30 ± 0.04
12
0.66 to 0.70 1.35 ± 0.04 3
0.71 to 0.75 1.40 ± 0.04 4
4HX
Cylinder head.
- New cylinder head height = 133 mm.
- Maximum permitted deformation = 0,03 mm.
Cylinder head gasket.
Multilayer cylinder head gasket.
Select seal thickness as a function of the piston stand-proud.
Hydraulic followers.
The hydraulic followers have automatic clearance adjustment.
B1DP18XD

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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Electrical circuit
(diagr.) Component Supplier Reference Observations
30Ignition injection ECU
29Multifunction double relay
(incorporated in the engine fusebox)
24Power steering pressure sensor
27Inlet air thermal sensor
13Camshaft position sensor
23Knock sensor
22Engine coolant thermal sensor
12Engine speed sensor128 way connector, flash eprom type sequential injection
(reprogrammable eprom). Installed in the ECU compartment.
Main relay 1, 16 way grey connector.
Main relay 2, 16 way green connector
Power relay 3, 16 way black connector
Installed in the ECU compartment.
2 way blue connector, switch opens at 20 Bars, for ECU
information (steering wheel on full lock). Ring seal marked
violet, fixed on the power steering 4 way hydraulic union,
beneath the vehicle.
2 way grey connector, fixed on the air filter inlet duct.
3 way grey connector, fixed on the inlet camshaft bearing
cap cover.
3 way green connector, fixed on the central part of the engine
block V.
ESSENTIAL : respect the tightening torque 2 ± 0,2 m.daN.
2 way green connector, fixed on the coolant outlet housing.
Tighten to 2 ± 0.2 m.daN
2 way black connector, fixed on the gearbox clutch casing. BOSCH
SIEMENS
BITRON
JAEGER
ELECTRIFIL
BOSCH
DAV
ELECTRIFIL
ELECTRIFILME 7.4.6
0261206418
S210500000
402 084 01
14 43 25
026123125
402 243 03
14 43 32
14 43 28

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CLUTCH
GEARBOX
DRIVESHAFTS
4 HP 20 AUTOACTIVE GEARBOX SPECIFICATION
Engines : XFX - 4HX
Tightening torques m.daN.
Gearbox interior.
(9) Input speed sensor fixing0.8 ± 0.1
(10) Hydraulic block fixing (Large head)0.8 ± 0.1
(11) Output speed sensor fixing1 ± 0.2
B2CP24DCB2CP24EC

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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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RECOMMENDATIONS - PRECAUTIONS (AL 4 AUTOMATIC GEARBOX)
Engines : 6FZ - RFN - RHZ
Procedure to be followed prior to carrying out repairs on AL4 autoactive gearbox
CLUTCH
GEARBOX
DRIVESHAFTS
If a gearbox malfunction occurs, there are two possible configurations
depending on the seriousness of the fault :
- Gearbox in back-up mode with a replacement programme of
(the fault values are taken in substitution).
- Gearbox in back-up mode with an emergency programme
(3rd hydraulic).
WARNING : In the emergency programme, an impact is felt when
changing P/R, N/RandN/D.
Réception client.
Discuss with the customer, to find out all the malfunction symptoms..
Oil quality – Oil level.
If the gearbox has suffered a serious fault resulting in a malfunction or
the destruction of a clutch, the oil will overheat and become
contaminated with impurities : the oil is said to be «burnt».
This is characterised by a black colour and the presence of an
unpleasant smell.
ESSENTIAL : The gearbox must be replaced.Oil quality.
See corresponding operation.
An excessive oil level can result in the following consequences :
- Excessive heating of the oil.
- Oil leaks.
An insufficent level causes the destruction of the gearbox.
Top up the level of oil in the gearbox (if necessary).
Check using a diagnostic tool.
Read the fault codes (engine and gearbox).
Absence de codes défauts.
Carry out parameter measures, actuator tests and a road test.
Presence of fault codes.
Carry out the necessary repairs.
Delete the fault codes.
Carry out a road test to check the repair and, if need be, modify the
gearbox ECU parameters (this is essential after an initialisation of the ECU).

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AXLES
SUSPENSION
STEERING
SUSPENSION
Front suspension
Tightening torques m.daN.
(10) Arm front fixing13 ± 1.3
11) Arm rear fixing8 ± 0.8
(12) Anti-roll bar bearing fixing on subframe4.2 ± 0.6
Hydractive 3+ hydraulic suspension (Power steering)
Suspension piston diameter = 35 mm.
Anti-roll bar diameter= 23.5 mm.
Anti-roll bar colour reference= Yellow.
Suspension leg.
Bump stop, height "A" = 97 mm.
B3CP05WDB3BP167D

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AXLES
SUSPENSION
STEERING
SUSPENSION
Rear suspension
Tightening torques m.daN.
(13) Subframe rear fixing11.5 ± 1.1
(14)Rear rubber mounting fixing on bodyshell8 ± 1.2
(15) Anti-roll bar fixing13.1 ± 1.4
(16) Front fixing of subframe on bodyshell11.5 ± 1.1
NOTE : (13) and (16)Face and threads greased.
(17)Arm shaft fixing14.9 ± 1.3
(18) Hub nut25 ± 2.5
(19) Wheel fixing9 ± 1
Hydractive 3+ hydraulic suspension (Power steering)
Suspension piston diameter= 37 mm.
Anti-roll bar diameter
- Saloon= 21.5 mm
- Estate= 22 mm.
Anti-roll bar colour reference
- Saloon= Blue
- Estate= Green
B3DP08NDB3DP08PD