2004 DACIA SOLENZA suspension

GENERAL
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30Front axles checking and adjustment
THE SEQUENCE OF THE OPERATIONS
Due to the geometric c onception of the front axle, the modification of one of one-side
angles (camber, ball joint, parallelism) has no major impact on the val ue of other side
angles (caster being the one with higher i nfluence). The modifi cation of t hese angles does not occur during ve hicle exploitation, but only as a
consequence of a vehicle accident.
In order to check the front axle angles, it is important to observe the following sequence: - placing the vehicle on rotating plates;
- braked vehicle;
- suspension checking for placing the vehicle at its free height;
- ensuring that front wheels are such disposed for straight line driving;
- attachment of the optical devices on the vehicle, observing the manufacturer instructions.
RE PARTITION CHECKING AND ADJUSTMENT
Check the “X” dimension symmetry of the
connecting rods.
Reading of the “A” value on the scale.
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FRONT AX LES ELEMENTS
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Chara cteristics
The front axle is composed of two joint half axles with independents wheels, designed for the
suspension type Mc.Pherson.
The joints of front half axle arm are done by means of an elastic bearing (chassis side) and by
means of a suspension ball joint (wheel side)
The transmission of the motion to the wheels is done by means of two planetary a xles, not
equal, with homocinetic tripod joints.
The wheel hub is assembled in the steering knuckle by means of a sealed bearing.
The brake disks a re ventilated.
TIGHTENING MOMENTS (daNm)
Wheel attachment screw 7.5
Suspension arm shaft nuts 10.5
Attachment nut of the ball joint screw 6.2
The nut of the attachment screw of the steering knuckle with the shock absorber 10.5
Transmissio n nut 28.0
Steering ball joint nut 4.0
Attachment anti roll bar screws 4.0
Connecting strap screws 2.7
Attachment screws of the suspension ball joint on the arm 7…..7.5
Attachment screws of the disk on the hub 1.4
Aux.connecting rod- assembled connecting rod end stop nut 5.0
Assembled connecting rod end- rack joint body 5.0
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TIGHTENING MOMENTS (daNm)
Wheels attachment screws 7.5
Suspension arm shaft nuts 10.5
A ttachment nut of the ball joint screw 6.2
An ti – roll bar bearings screws 4.0
Ball joint attachment screws nuts on the arm 7….7.5
St raps attachment screws 2.7
Suspension arm
REMARK :
T he dismounting-remounting operations are identical for both half axles (specifying
that on the right side one strap is provided and on the left side two straps are provided).

DISMOUNTING
Disconnect the battery.
Loosen the front wheels attachment screws.
Lift the vehicle on an elevator with two columns.
Dismount the two wheels.
Dismount the anti roll bar attachment screws (1) on the suspension arms.
Detach the anti roll bar.
Dismou nt :
- the suspension upper ball joint screw (2) and nut on the steering knuckle;
- the upper attachment strap screw on the right/left wing lining;
- the nuts (3) and the arm a ttachment axles on the power train a nd the strap (straps);
- the arms.
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FRONT AX LES ELEMENTS
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Suspension arm
REMOU NT I NG
REMARK :
Ensure the presence of t he protection pl ate (A) on the suspension ball joint axle.
Perform the operations in the following sequence:
− Arm attachment on the power train support without tightening to the required moment
the axles nuts (3) .
− Ball joint mounting in the steering knuckle
− Attachment of the ball joint screw and tightening its nut to the required moment ;
M ount the wheels, tighten the screws to the required moment, and then with the vehicle on
wheels, continue with:
– Remounting the anti roll bar by tightening to the required moment the attachment screws.
– Tightening the shaft a rm nuts a nd fixing the strap (straps) – (4) to the upper pa rt, by
tightening the screws to the required moment.
REMARK :
When remounting the attachment buffers on the anti roll bar, put inside them 1 g of
grease type MOYKOTE 33 MEDIUM.
When remounting the suspension arm axles, use new self-locking nuts.
3A
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FRONT AX LES ELEMENTS
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The mounting of the arm attachment axles and of the straps on the frame, is different from left
side to right side.
RIGHT SIDE LEFT SIDE
Suspension arm
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FRONT AX LES ELEMENTS
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Elastic bushings of the suspension arm
Necessary Special Tools
P. F. 601 Bushings mounting device
P. F. 602 Bushing extractor
REPLACEMENT
This operation implies bushings replacement one by one, in order to maintains their centering
as to the arm shaft. The operation is to be performed using a press (mechanical/ manual driving)
Dismount one of the bushings, by means of the PF 602 device, using a 31 mm outside diam-
eter rod.
Mount the new bushing, observing the value A =239 ± 0.4 mm.
Dismount the second bushing, proceeding in the same a.m. shown way, in order to maintain
the va lue A = 239 ± 0.4 mm
Mounting of the elastic bushings is performed by means of the device PF 601.
REMARK :
The elastic bushings are to be m ounted on the suspension arm by pressing, with
continuos pressing on the outside bushing, avoiding hammering.
A
φφ φφ
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Suspension ball joint
DISMOUNTIN G
Perform the same operations as for dismounting the suspension arm.
Unscrew the two attachment nuts (3) of the arm shafts, without their dismounting .
Dismou nt :
- the ball joint a ttachment screws ( 4) on the arm;
- the ball joint.
REMARK :
When dismounting the suspension ball joint off t he arm, check by visual inspection
if the corresponding holes from the suspension arm, are out of round.
If they are out of round, obligatory replace the suspension arm.
REMOU NT I NG
REMARK :
Ensure the presence of t he protection pl ate (A) on the suspension ball joint axle.
Mount the suspension ball joint on the arm, by means of the two attachment screws (4) and
tighten their nuts to the required moment.
Perform then, the same operations as for suspension arm remounting, observing the tightening
moments.
PROTECTION BELLOW S REPLACEMENT
Dismount the damaged bellows.
Clean the ball joint in the area covered by
the bellows (ball joint body and pin).
Fill the new bellows with approximate 3g
MOS
2 s pecial grease.
Mount the new bellows on the ball joint.
Place on the bellows by means of a resis-
tant thread, the fixing clip (B), then the fixing
clip A (Ø= 19).
4
3A
A
B
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CROSS SECTION
F
ront suspension
6 daNm
2 daNm
10.5 daNm 2.7 daN m
4 daNm
10.5 daNm 7....7.5 daNm 28 daNm
7.5 daN
m
51.4
6.2
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