axles c3 Citroen C3 2004 1.G User Guide

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AXLES
SUSPENSION
STEERING
SPECIAL FEATURES: STEERING
Engines: HFX KFV NFU 8HX
Centring the steering rack
Preliminary operation.
Raise and support the vehicle on a twocolumn lift.
Remove, on the RH side of the steering rack:
Clip
(1).
Clip (2).
Release the steering rack rpotection gaiter.
Setting.
Move the steering to full left hand lock.
Measure the dimension X.
Move the steering to full right hand lock.
Measure the dimension
Y.
Calculate the dimension:
L = (Y – X) : 2.
Refit:
The steering rack rpotection gaiter.
New clips
(1)and (2).
B3EP13UC
B3EP13VD
C2

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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.
E1AP09MD
C3
C3

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AXLES
SUSPENSION
STEERING
C3 AXLE GEOMETRY
B3CP07SD
Measuring front height Measuring rear height
[1]
Gauge for measuring the wheel radius, 4 bolts, tool4003T or8006T (according to version).
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 reference All types Except CRD (*) Vehicle CRD (*) Value at reference All types Except CRD (*) Vehicle CRD (*)
heightRaised suspensionRaised suspensionheightRaised suspensionRaised suspension
(+ 6 8 mm)Sports Sports
(+ 10 6 mm)Sports Sports
L1 = 142,5 mm L1 = 132,5 mm L2 = 52 mm L2 = 62 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 (except CRD) Raised suspension Sports
Vehicle CRD Raised suspension Sports
Vehicle TrackingCastor Camber Pivot angle
(± 0°18’) (± 0°30’) (± 0°30’)
Adjustable Non adjustable
2 ± 1
0°19’±0°10’ 3°57’ 0°28’ 11°26’
Vehicle TrackingCastor Camber Pivot angle
(±0°30’)
Adjustable Non adjustable
2 ± 1
0°19’± 0°10’ 3°53’ 0°26’ 11°14’Tracking Camber (± 0°18’)
Non adjustable
5,5 ± 1
0°50’ ± 0°10’ 1°30’
TrackingCamber
Non adjustable
5,2 ±1
0°47’ ± 0°10’ 1°28’
All
Typesmm
0°
All
Typesmm
0°
B3CP02UC
C3
(± 0°18’) (± 0°30’)

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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
REAR AXLE
Tightening torques (m.daN).
(1)
Rear axle fixing screw: 10 ± 1
(2)Antiroll bar:
(3)Rear axle crossmember:
(4)Rear suspension arm rubber mounting yoke:
(5)Rear suspension arm rubber mounting:
(6)Yoke / suspension arm fixing screw: 7,6 ± 0,5
(7)Rear suspension arm:
(8)Stub axle bearing nut: 20 ± 2 greased
(9) Damper:
(10)Damper upper fixing: 4,5 ± 0,4
(11)Damper lower fixing: 9,3 ± 1
(12)Suspension spring:
(13)Travel stop:
(14)Secondary brake cable guide and its support:
Antiroll bar
Diameter (mm)
HFX KFV
C3KFU NFU 8HX25,5
(tubular)
8HW 8HV 8HY
C3
PlurielKFV NFU 8HX26
(tubular)
B3CP0AFP
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