c4 picasso Citroen C4 2005 2.G Owners Manual

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AXLES
SUSPENSION
STEERING
AXLE GEOMETRY
(*) = Difficult road conditions.
Compress the suspension to obtain the calculated values.
NOTE: The difference in height between the two sides should be less than10 mm. Measure the radius of the rear wheel: R2.
Calculate the dimensionH2. Measure the radius of the front wheel: R1.
Calculate the dimension H1 orH1’.
Checks at reference height (the reference height of the vehicle is set as per the table below).
B3CP05BCB3CP05AC
XSARA PICASSO
Front axleRear axle
Front axle
Rear axle CRD vehicle versions (*)
H1 = R1 – L1 or H1’ = R1 – L1’
L1 = 75,5 mmL1’ = 109 mmL2 = 23,5 mmH2 = R2 + L2
B3DP079C
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AXLES
SUSPENSION
STEERING
A> B =Negative figure: – = TOE-OUT A < B = Positive figure: + = TOE-INNOTE
AXLE GEOMETRY
Measurements at reference height (compress the suspension to obtain the calculated values).
Vehicles all engine versions (except CRD (*))
Front axle Rear axle
Vehicle Tracking CastorPivot angleCamber Tracking Camber
Adjustable Yes No
ALL TYPES- 1 ± 1 mm3,7 ± 1,3 mm
- 0°18’ à 0°0’2°56’ ± 18’ 10°25’ ± 30’ 0°07’ ± 30’
- 0°33’ ± 0°12’- 1°14’ ± 18’
XSARA PICASSO
B3CP02UC
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AXLES
SUSPENSION
STEERING
TIGHTENING TORQUES: FRONT AXLE
Tightening torques (m.daN).(1) Damper nut: 4.5 ± 0.4
(2)Cup screw: 2.5 ± 0.2
(3)Suspension leg
(4)Anti-roll bar link rod ball-joint: 3.7 ± 0.3
(5)Suspension leg swivel: 4.5 ± 0.4
(6)Anti-roll bar
(7)Anti-roll bar link rod ball-joint: 3.7 ± 0.3
(8)Lower swivel ball-joint: 4 ± 0.4
(9)Hub nut
(greased): 32.5 ± 2
(10)Wheel bolt
(face and threads not greased): 9 ± 1
(11) Lower arm front pivot: 7.6 ± 0.7
(12) Lower arm rear pivot and
anti-roll bar bearing: 6.8 ± 0.6
(13) Screw under rear pivot : 3.5 ± 0.3
Lower arm in forged steel : 3.7 ± 0,3
Lower arm in plate steel: 3.1 ± 0,3
Screw fixing subframe on bodyshell: 8.5 ± 0,8
Screw fixing ball-joint on lower
arm
(plate steel): 4.5 ± 0,4
Anti-roll bar
Engines
ALL TYPESDiameter
21Colour ref.
WHITE Suspension leg angle:
Ta b«a»towards the front.
B3CP056P
B3CP057D
B3CP043D
XSARA PICASSO
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AXLES
SUSPENSION
STEERING
TIGHTENING TORQUES: REAR AXLE
Tightening torques (m.daN).
(14)Front silentblock on subframe: 9.4 ± 0.9
(15)Anti-roll bar bolt: 5.5 ± 0.5
(16)Rear torsion bar
(17) Anti-roll bar
(18) Tubular axle
(19)Front silentblock on bodyshell: 4 ± 0.4
(20)Rear upper arm.
(21)Wheel bolt
(face and threads not lubricated): 9 ± 1
(22)Damper
(23)Rear silentblock on subframe: 5.4 ± 0.5
(24)Damper pin nut: 11 ± 1
(25)Stub axle nuts
(lubricated): 25 ± 2
(26)Rear silentblock on bodyshell: 6.5 ± 0.6
Anti-roll bar
Torsion bar
Engines
ALL TYPES 19,6 PINKØ (mm)
Colour ref.Ø (mm)
21Colour ref.
ORANGE
B3DP078D
NOTE: The RH torsion bar can be identified by 1 paint line.
The LH torsion bar can be identified by 2 paint lines.
XSARA PICASSO
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AXLES
SUSPENSION
STEERING
TIGHTENING TORQUES: POWER-ASSISTED STEERING
Tightening torques (m.daN).
(2) Airbag to steering wheel fixing: 0.8 ± 0.1
(3)Steering wheel fixing: 3.3 ± 0.6
(5)Steering column to support fixing: 4 ± 0.1
(6)Steering cardan joint fixing: 2.3 ± 0.2
B3EP116D
XSARA PICASSO
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AXLES
SUSPENSION
STEERING
TIGHTENING TORQUES: POWER-ASSISTED STEERING
Tightening torques (m.daN).
(7) Pivot ball-joint nut: 4 ± 0.4
(8) Steering rod adjusting lock nut: 4.5 ± 0.4
(9)Ball-joint on steering rack: 6 ± 0.6
(10) Fixing steering on subframe: 8 ± 0.8
(11)Hydraulic pipe connection: 2.4 ± 0.2
(12)Power steering valve: 1.2 ± 0.2
(13)Plunger flange screws: 1.2 ± 0.2
(14)Steering ram screw on housing: 9 ± 1
(15) Steering ram screw on yoke: 9 ± 1
NOTE:When removing the steering, it is imperative to replace screws
(14)and (15)
(new screws).
B3EP117D
XSARA PICASSO
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AXLES
SUSPENSION
STEERING
TIGHTENING TORQUES: POWER-ASSISTED STEERING
Tightening torques (m.daN).
Unions between pump unions and power steering valve: 2 ± 0.3
(16)Fixing screw: 2.2 ± 0.3
(17)Fixing screw: 2.2 ± 0.3
(18) Fixing screw: 2.2 ± 0.3
NOTE: Coat the threads with product «E3».
A pressure switch is implanted in the hydraulic piping between the high
pressure pump and the power steering valve.
- Opening pressure = 30 / 35 bars.
- Closing pressure = 25 barsminimum.
Tightening torque = 2 ± 0.2.
B3EP118D
XSARA PICASSO
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BRAKES
BRAKE SPECIFICATIONS
(*) ESP = Electronic Stability Program.
XSARA PICASSO
Mercosur Europe
Without ESP (*)
EW10J4 DW10TD TU5JP+ EW4J4 EW10J4 DW10TD
Master cylinder23,8
Master-vac/
ØMaster cylinder travel254/34
FT mm
Caliper makesLUCAS BOSCH
PistonC54/54 ZOH54/54
Disc Ventilated266
Disc thickness/min. thickness20,4/18,4 22/20
Makes/brake pad gradeJURID/3724 FERODO/769 (37)
Rear brake plates
Supplier/typeLUCAS/ENERGIT/C52980
Ø Cylinder or caliper22,2
mm Drum/Ø max.228,6/230
RR MakeABEX
Brake lining grade4930/2
Compensator/supplier/typeTEVESITTA
(load-sensitive rear braking compensator)Cut-off pressure in bars20/61,6
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BRAKESBRAKE SPECIFICATIONS
EW4J4 EW10J4 DV6 DW10TD
Master cylinder23,8
Ø Master-vac/
mm Master cylinder travel254/35
FT Caliper makes/pistonsBOSCH ZOH54/54
Disc Ventilated283
Disc thickness/min. thickness26/24
Brake pad supplier/gradeFERODO/769 (37)
Rear brake caliper
Ø Supplier/typeTRW C38
mm Disc plain247
RR Disc thickness/min. thickness9/7
MakeGALFER
Brake lining gradeG 4554
Compensator:
On versions with ABS, there is no load-sensitive rear braking compensator
Cut-off pressure in bars
(*) ESP = Electronic Stability Program.All Types
With ESP (*)
XSARA PICASSO
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BRAKES
B3FP11WD
BRAKING SYSTEM SPECIFICATIONS
Without ABS
XSARA PICASSO
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