front Citroen C3 2004 1.G Service Manual

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AXLES
SUSPENSION
STEERING
AXLE GEOMETRY
Conditions for checking and adjusting
Vehicle heights at reference height
Rear height
Fr ont height
L2
L1
Tyres inflated to correct pressures. Vehicle at reference height.
Steering rack locked at mid point (see corresponding operation).
H1 = R1 L1
H1= Measurement between the measuring zone underneath the front
subframe and the ground.
R1= Front wheel radius under load.L1= Distance between the wheel axis and the measuring zone
underneath the front subframe.
H2 = R2 + L2
H2= Measurement between the measuring zone underneath the rear
sill and the ground.
R2=Rear wheel radius under load.L2= Distance between the wheel axis and the measuring zone
underneath the rear sill.
E1AP0AUD
C3 PLURIEL
C3 Pluriel

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AXLES
SUSPENSION
STEERING
C3 PLURIEL
AXLE GEOMETR Y
B3CP07SD
Measuring front height Measuring rear height
[1]
Gauge for measuring the wheel radius, 4 bolts, tool 4003T
Z1
= Measuring zone underneath the front subframe.Z2 = Measuring zone underneath the rear sill.
Measure the radius of the front wheel
R1 Calculate dimension H1 = R1 – L1Measure the radius of the rear wheel R2 Calculate dimension H2 = R2 + L2
Value at referenceAll TypesValue at referenceAll Typesheight height
(+ 6 8 mm)L1 = 132,5 mm(+ 10 6 mm)L2 = 47 mm
(*) = CRD: Difficult road conditions.
Definition for a type of vehicle whose axles and suspensions are adapted for driving on rough roads.
Compress the suspension to obtain the calculated values. The height difference between the two axle dimensions should be less than
10 mm.
Checks at reference height

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AXLES
SUSPENSION
STEERING
A < B = Positive figure: + = TOEIN
A > B = Negative figure: = TOEOUT
WARNING
AXLE GEOMETRY
Rear axle Front axle
Dissymmetry of lower camber at 0° 18’. Dissymmetry of lower castor at
0° 30’.
Dissymmetry of lower camber at 0° 18’.
Distribute symmetrically, LH / RH wheel, the total tracking value.
All types
Vehicle TrackingCastor Camber Pivot angle
(± 0°18’) (± 0°30’) (± 0°30’)
Adjustable Non adjustable
2 ± 1
0°18’± 0°09’ 3°53’ 0°26’ 11°14’Tracking Camber (± 0°18’)
Non adjustable
5,7 ± 1
0°51’ ± 0°09’ 1°30’
All
Typesmm
0°
B3CP02UC
C3 PLURIEL

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AXLES
SUSPENSION
STEERING
FRONT AXLE
Tightening torques (m.daN).
(1)Nut fixing suspension leg on body: 6,5 ± 0,6
(2)Suspension leg:
(3)Antiroll bar link rod upper balljoint: 3,2 ± 0,3
(4)Suspension leg pivot: 5,4 ± 0,5
(5)Antiroll bar link rod lower balljoint: 3,2 ± 0,3
(6)Antiroll bar bearing fixing on subframe:8 ± 0,8
(7) Hub nut: 24,5 ± 0,5
(8)Wheel bolt:9 ±1
(9)Subframe to bodyshell fixing screw:10 ± 1
(10)Antiroll bar:
(11) Pivot lower balljoint fixing on lower arm: 5,5 ± 0,5
(12)Pivot lower balljoint fixing: 4 ± 0,4
(13)Lower arm front and rear mounting fixing:14 ±0,4
(14)Stabiliser bar screw: 6,6 ± 0,7
(15)Steering balljoint fixing:3,5 ± 0,3
Antiroll bar
Diameter (mm) Colour
HFX KFV
C3KFU NFU 8HX19Blue
8HW 8HV 8HY
C3
Pluriel KFV NFU 8HX 20 Green
B3CP07RP
C3 C3 PLURIEL

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AXLES
SUSPENSION
STEERING
SUSPENSION
Front axle
(1)
Nut fixing suspension leg on body: 6,5 ± 0,6
(2)Damper:
(3)Antiroll bar link rod upper balljoint: 3,2 ± 0,3
(4)Suspension leg pivot: 5,4 ± 0,5
(5) Antiroll bar link rod lower balljoint:3,2 ± 0,3
(6)Antiroll bar bearing fixing on subframe: 8 ± 0,8
(7)Hub nut: 24,5 ± 0,5
(8) Wheel bolt:9 ± 1
(9) Subframe to bodyshell fixing screw: 10 ± 1
(10)Antiroll bar:
(11)Pivot lower balljoint fixing on lower arm:5,5 ± 0,5
(12)Pivot lower balljoint fixing: 4 ± 0,4
(13)Lower arm front and rear mounting fixing: 14 ± 0,4
(14) Stabiliser bar screw: 6,6 ± 0,7
(15) Steering balljoint fixing: 3,5 ± 0,3
Antiroll bar
Engines Diameter (mm) Colour
C3
AllTypes19 Blue
C3 Pluriel 20 Green
Pivot
Engines Diameter of bearing Type
C3
C3 Pluriel AllTypes 72 In U
(cast iron)B3CP07RP
C3 C3 PLURIEL

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AXLES
SUSPENSION
STEERING
SUSPENSION
Front axle
(1) Nut fixing suspension leg on body: 6,5 ± 0,6
(2)
Damper
(16)Cup
(17)Damper nut.: 6,5 ± 0,6
(18)
Damper cup
(19)Ball bearing
(20)Spring thrust cup
(21)Travel stop cup
(22)Suspension spring
(23) Damper rod rpotector
(24)Travel stop
B3BP180D
C3 C3 PLURIEL

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AXLES
SUSPENSION
STEERING
XSARA AXLE GEOMETRY
Front and rear measuring points
XSARA ALL TYPES N°RPO 8667 #
Front heightRear height
H1= Dimension between the centre of the front suspension arm mounting and the ground.H2= Dimension between the contact face of the rear mounting and the ground.R1= Front wheel radius under load.R2= Rear wheel radius under load.L1= Distance between the centre of the wheel and the centre of the front suspension arm mounting.L2= Distance between the centre of the wheel and the contact face of the rear mounting on the bodyshell.
B3CP06ZD

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AXLES
SUSPENSION
STEERING
Front axle Rear axle
AXLE GEOMETRY
Reference heights
: 4300T N°RPO 9429
# Tools. [1] Gauge for measuring the radius of wheels with 4 bolts
Setting the reference height.
Front
Fr ont
Measure the dimension «R1».
Calculate the dim.
H1 = R1 L1.Measure the dimension
«R2».
Calculate the dim.
H2 = R2 + L2.
Compress the suspension until the values
(H1)and (H2)are obtained.
NOTE:The difference in height between the two sides should be less than10 mm.
XSARA
Reference heights
(in mm)115,5
90,575,5 73
8388 103 Engines2.0i 16V
(RFS)All engines (except
2.0 i 16V and CRD)All CRD
engines 2.0i 16V
(RFS)All Saloon (except
2.0i 16V and CRD)EstateAll CRD
engines
B3CP04AD

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AXLES
SUSPENSION
STEERING
ESSENTIAL: When checking the suspensions, the vehicle should be at reference height.
XSARA
AXLE GEOMETRY
Values of the front and rear suspensions, at reference height
Tools.
Compress the suspension, to obtain the values at reference height.
[1]Set of two suspension compressors: 9511T.A
[2] Set of four straps : 9511T.B
[3] Set of four shackles :9511T.C
A > B =
Negative figure: – = TOEOUT
A < B = Positive figure: + = TOEIN
WARNING
B3CP04LC

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AXLES
SUSPENSION
STEERING
AXLE GEOMETRYXSARA
Values of the front and rear suspensions, at reference height
Front axle
Adjustable
YES
NO
Pivot angle
Camber CastorTracking
Camber
(*) CRD
= Difficult road conditions.
Tracking
Tolerances
± 30’ ± 30’ ±18’ ± 1 mm 1,5 ± 1 mm
0°15’ ± 10’
(toe-out)
3° 2°55’ 3° ± 07’ 2°55’
10°22’ 11° ± 07’ 10°26’
0°12’ 0° ± 07’ 0°07’ 10°40’
0°
Saloon or
entreprise KFWSaloon all engine
typesexcept KFW
Estate
all engine types
except CRD (*)
Rear axle
NO YES
Saloon CRD (*)
KFW2.0i 16V (RFS)Saloon CRD (*)
all engine types
except KFW
Estate CRD (*)
all engine types
Adjustable TolerancesSaloon all engine types
Saloon entreprise2.0i 16V (RFS)Estate
all engine typesSaloon CRD (*)
all engine types
Estate CRD (*)
all engine types
10°44’
± 1,3 mm
± 15’4,54 ± 1,3 mm 5,1 ± 1,3 mm 4,27 ± 1,3 mm 3,45 ± 1,3 mm
0°41’ ± 11’ 0°46’ ± 11’ 0°39’ ± 11’ 0°31’ ± 10’
0°57’ 0°58’ 0°59’