Page 269 of 891

TRANSM ISSION
29
29 - 15
Bellows to wheel
JOINT TOWARDS THE WHEEL – GE
1. Steering knuckle casing assembled
2. Retaining star.
3. Tripod to wheel
4. Tulip shaft
5. Maintainin g collars
6. Protection rubber bellows
DISMOUNTIN G
Dismount the two m aintaining collars using two rod s locally produced (see the method
previously described for dismounting the joint GE, left transmission) .
Cut and remove the damaged bellows.
T ake out maximum of grease.
In order to replace the joint GE protection bellows, it is necessary to dismount/remount the
GI joint parts (see the method previously described).
R EMOU NT I NG
Grease the rod of transmiss ion shaft with grease.
Introduce the protection bellows of the GE joint.
Distribute the prescribed dosage of grease for GE joint.
Position the bellows beads in the grooves of the steering knuckle casing, consequently on the
transmission shaft tube and mount the collars (see the method described at mounting GE joint
bellows, left transmission) .
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Page 285 of 891

GENERAL
30 - 16
30
The influence of angles
The influence of different angles over the road behavior, stability and abnormal wear preventing
of the vehicles tires.
CAMBER
The exit from the tolerance field of the left or right wheel camber, may have as result:
- tires external or internal edge wear (excessive positive or negative camber);
- steerin g is deviating towards the camber angle is more pronounced (asymmetry ), a deviation
from the trajectory is taking place, which must be corrected by means of the steering wheel (the
pronounced wear on the tire in question is occurring);
CASTER
A larger difference of 1° between the right side caster and left side, may have as result:
- a deviation from the trajectory, which must be corrected by means of the steering wheel, the
abnormal tires wear (the pronounced wear on the tire in question is occurring), tough steering,
instability when turning.
PA R ALLELISM
This adjustment has little importance over the vehicle road behavior.
Anyhow, note the followings:
-a prominent closing may lead to tires external edges wear.
-a prominent opening may lead to tires interior edges wear.
DIMENSIONS UNDER CARRIAGE BODY
These are especially influencing the different angles of the steering geometry.
A vehicle, which has run a large amount of km, it will have under the carriage body, dimension s
smaller than a new vehicle. This is the reason why some vehicle manufacturers, are prescribing, when the checking is
done with empty vehicle, different under carriage body dimensions and their respective places
where these values must be taken. Other vehicle manufacturers are recommending the suspension
compression by means of special (specific) tools or loading repartition in different places.
These different procedures (as performing ways) have as final purpose, the cancellation of the
vehicle suspension lowering, which has driven an important number of Km, compared with its
initial condition.
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Page 286 of 891
GENERAL
30 - 17
30Angles checking principle
PRELIMINARY CHECKING
Before starting the steering angles checking, it will be necessary to check the following points
and exclude the possible non-conformities.
1. Tires and rims checking, regarding: - type and dimension;
- inflating pressure;
- wear de gree.
2. Joints : - elastic bearings and bushings condition;
- ball joints clearance;
- bearing clearance;
- steering wheel column clearance.
3. Tires runout and axial runout (compensation is to be performed by means of the reading
instruments);
4. Dimensions symmetry under carriage body (suspension condition).
5. Manufacturer’s method : each vehicle manufactu rer is prescribing the checking conditions,
loading repartition on axles, under carriage body dimensions presentation.
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Page 292 of 891

FRONT AX LES ELEMENTS
31
31 - 1
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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Page 293 of 891

FRONT AX LES ELEMENTS
31
31 - 2
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.
12
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Page 294 of 891

FRONT AX LES ELEMENTS
31
31 - 3
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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Page 303 of 891

FRONT AX LES ELEMENTS
31
31 - 12
DISMOUNTIN G
Loosen the front wheel attachment screws.
Lift the vehicle by means of a two col-
umns elevator Dismou nt :
- the wheel;
- the two attachment screws (A) of
the brake disk assembly on the steering
knuckle ; -the two sunk screws (B) attaching the
disk on the hub.
Brake disk
REMARK :
The brake disks can be not rectified.
A bigger wear or an important mark on the brake disk braking surfaces impose obligatory its
replacement.
- The minimal accepted thickness: 19 mm;
- The maximum accepted axial deviation 0.04 mm on a diameter of Ø 215.
TIGHTENING MOMENTS (daNm)
Brake caliper fork attachment screw on steering knuckle 6.5
Di sk attachment screw on the hub 1.4
Front wheel steering knuckle nut 28
Wheel screws 7.5
R EMOU NT I NG
Remount :
- the disk on the hub by means of the two
sunk screws (B) and tighten them to the required
moment; - the brake disk assembled on the steering
knuckle, tightening the ( A) screws to the required
moment. Press the brake pedal several times, in order
to bring the piston in contact with the brake pads.
REMARK :
In case of replacing the brake disk it is
absolutely necessary to replace the brake
pads ( TEXTAR brand).
A
B
Di sm ount the brake disk. Before
remounting, check :
- the wear of the brake flexible hoses;
- t he we ar of t he bra ke pa ds and
replace them if necessary.
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Page 304 of 891

FRONT AX LES ELEMENTS
31
31 - 13
SPECIAL TOOLS
Hub disk extractor PF 600
Ball joint extractor PF 476
DISMOUNTIN G
Loosen the front wheel attachment screws.
Lift the vehicle by means of an elevator with
two columns
Dismou nt :
- the wheel
- the bra ke disk a ssembly together with
the flexible connection;.
- the transmission gear nut;
- the bra ke disk assembly by means of
the PF 600 extractor.
Continue by dismounting t he steering
knuckle, observing the operations sequence: - dismount the steering ball joint nut;
- depress the steeri ng ball joint by
means of the PF 476 extractor;
- dismount the two screws that attach
the steering knuckle on the shock absorber
leg;
- dismount the attachmen t screw of the
steering ball joint – steering knuckle;
- detach the steering knuckle.
TIGHTENING MOMENTS (d aNm)
Wheel attachment screw 7.5
Steering ball joint nut 4.0
Transmission nut 28.0
Attachment fork screw on steering knuckle 6.5
Screw nut of the steering knuckle
attachment with the shock absorber leg 10.5
Attachment screw nut of the b all
joint with the steering knuckle 6.2
Steering knuckle
PF 476
PF 600
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