steering wheel DACIA SUPERNOVA 2004 Owner's Manual

31
FRONT BEARING ELEMENTS
31 - 10
SPECIAL TOOLS
Hub disk extractor PF600
Ball joint extractor PF476
DISMOUNTING
Disconnect the battery.
Lift the vehicle by means of an elevator with
two column. Dismou nt :
- the wheel
- the brake disk assembly together with
the flexible connection;.
- the transmission gear nut.
- the brake disk a ssembly by means by
means of the PF 600 extractor.
Continue by dismounting t he steering
knuckle, observing the operations sequence: - dismount the steering ball joint nut;
- depre ss the steeri ng ball joint by
means of the PF 476 extractor;
- dismount the t wo screws that attach
the steering knuckle on the shock absorber; - dismount the attachment screws that
attach the steering ball joint – steering knuckle;
- detach the steering knuckle.
TIGHTENING MOMENTS (daNm)
Wheel attachment screw 7,5
Steering ball joint nut 3,5
Transmission nut 21
Attachment fork screw on steering knuckle 6,5
The screw nut of the steering knuckle
attachment with the shock absorber leg 7,5
The attachment screw nut of the ball
joint with the steering knuckle 5,5
STEERING KNUCKLE
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33
REAR BEARING ELEMENTS
BRAKE DRUM
The t wo brake drums having the same di ameter; t he rectifyi ng of one of t hem obligatory
implies the same opera tion for t he other one.
SPECIAL TOOLS
DISMOUNTING
Extract the plug out of the drum using the
extracting pliers RO441.
Release the hand bra ke, loosening the sec-
ondary cables in order t o allow the hand brake
lever re turn. Pass a screwdriver through the wheel at-
tachment whole from the drum and operate
on the brake lever sector loosening the its
gearing with the hand brake lever. Dismount:
- the steering knuckle nut and washer;
- the drum using PF600 extractor.
REMOUNTING
Clean the drum and the brake plate assembly by means of a cleaner (vacuum cleaner)
for brake. Place back:
- the drum;
- the steering knuckle washer and nut tightening them at the re quired moment;
- the drum plug.
A djust:
- the shoes by applying a repeated pressure to the brake pedal;
- hand brake ( see chapter 37-“Controls”).
DENOMINATION
CODE
Plug extracting pliers RO441
Dr um extractor PF600
TIGHTENING MOMENTS (daNm)
Wheel attachment screw 7.5
Steering knuckle nut16
33 - 7
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33
REAR BEARING ELEMENTS
BRAKE SHOES
DISMOUNTING
The re placement of brake shoes must
be performed in complete set, never mount
the brake shoes equipped with brake
linings of different brands and qualities. Dismount :
- t he brake drum ( see t he corre -
sponding paragraph); - the two m aintenance springs (R)
of the shoes with a brake cylinder rod (T). By means of the pliers FR05A the brake
cylinder pistons are immobilized. Remove t he return upper spri ng of the
shoes using the pliers FR03. Release the end of t he ha nd brake cable
off the hand brake lever.
Sw ing the adjustment lever (C) up t o t he
moment it c omes into contact with the re ar
wheel steering knuckle. Distance the shoes from the plate.
S
PECIAL TOOLS
DENOMINATION CODE
Plug extracting pliers RO441
Di smounting pliers for shoes return spring FR03
Pliers for maintaining brake cylinders pistons FR05A
TIGHTENING MOMENTS (daNm)
Wheel screw 7.5
Rear wheel steeri ng knuckle nut 16
33 - 10
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33
REAR BEARING ELEMENTS
BEARING (25 x 52 x 37)CHECKING
Check by means of a comparing de vice attached on the drum , the axial cleara nce:
0 – 0.15 mm max after m ounting and tightening at the moment of 16 daNm.
DISMOUNTING
Di smount:
- the drum plug by means of the extra cting pliers RO441;
-r ear wheel steeri ng knuckle nut;
- the drum (see the corre sponding paragraph).
Di smount from the drum:
- the boring lock;
- the bearing by means of a tube F38mm.
If necessary, use the extractor CV28 A, in order to extract t he bearing inner ring, remained
on the steering knuckle. DENOMINATION
CODE
Plug extracting pliers RO441
Dr um extractor PF600
SPECIAL TOOLS
TIGHTENING MOMENTS (daNm)
Steering knuckle nut 16
Wheel attachment scre w 7.5
33 - 12
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36
STEERING ASSEMBLY
36 - 1
AXI
AL BALL JOINT
The steering mechanism is rack - and - gear drive type, unattended.
The steering mechanism is composed of: steering wheel, steering column, steering box, and
steering auxiliary connecting rods.
The diameter of the maximum turning circle: - between walls: 10m
The steering wheel number of rotations: 4.26
Of multiplication: 21:1.
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36
STEERING ASSEMBLY
36 - 3
S
TEERING BOX
DISMOUNTING
Loosen the screws of the wheel;
Lift the front part of the vehicle;
Dismount the wheel;
Di smount t he ba ll joints of the steering
auxiliary connecting rods. Di
smount the attachment scre w of the
steering wheel shaft (1) from the steering box.
Dismount the steering box attachment screws (2) on the cross member.
Dismount the steering box together with the steering auxiliary connecting rods.
NOTE
Do n ot ever dismount the axial ball joints from the rack, unless they need to be
replaced.
REMOUNTING
Perform the dismounting operations in the reverse order:
Grease the joints with special grease containing MoS2.
Check the condition and the attachment of the protection bellows.
Tighten at the required moment the nuts of the steering auxiliary connecting rod - in the case
of the dismounting of an auxiliary connecting rod. Mount the steering box and the auxiliary connecting rods assembly, on the vehicle.
Check the parallelism.
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36
STEERING ASSEMBLY
36 - 5
NOISE ABSORBER BEARING
DISMOUNTING
Loosen the screws of the wheel;
Lift the front part of the vehicle
Dismount the wheel on the opposite side of the steering column;
Dismou nt :
-casing protection bellows;
-the steering auxiliary connected rod.
Rotate the steering wheel until the rack is withdrawn.
Remove, by means of a screwdriver the noise absorber bearing.
REMOUNTING
Carefully clean t he rack and the noise absorber bearing seat and grease with special grease
containing MoS2.
In the same way as at the dismounting, place back the noise absorber bearing paying attention
to fix the three pins (A) in their seats.
Rotate the steering wheel in the opposite direction until the rack stands out the bearing.
Remount on the rack: - the steering auxiliary connecting rod (mount a new safety washer);
- protection bellows.
Check and adjust the parallelism, if necessary.
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36
STEERING ASSEMBLY
36 - 6
BELLOWS
DISMOUNTING
Lift the front part of the vehicle.
Dismount the wheel.
Loosen the attachment nut (5) of the auxiliary connecting rod ball joint to the steering knuckle
s upport and depress the ball joint (4).
Remove the attachment collar (6) of the bellows on the steering casing box.
Remove the bellows
(7) from the steering casing box.
Straighten the edges of the safety washer.
Unscrew the steering connecting rod from the rack, using the special wrench and remove it
out together with the safety washer (2) and the locking washer (1).
1. Locking washer
2. Safety washer
3.Assembl ed e nd of t he a uxi lia ry
connecting rod 4.Assembled auxiliary connecting rod
fu nnel
5. Attachmen t nut
6. Attachment collar of the bellows
7.B ellows
REMOUNTING
Fold the bellows towards the connecting rod funnel.
Before assembling the rack with the steering auxiliary connecting rods (the threaded parts
being free from any tra ces of grease) a pply a layer of FIXAMED R 58- C.S. 1/82 on the
threaded parts of the auxiliary connecting rods. Place the safety washer and t he l ocker washer (in t his order) on the threaded shaft of the
steering auxiliary connecting rod, passing the curved pin of the safety washer through the slot of
the locking washer. Screw the steering auxiliary connecting rod in the rack.
Tighten the joint body at the moment of 5 daNm by means of the 6902-4105 special wrench.
Bend the safety washer in the opposite part to t he pin in at l east one of the cuts made on the
ball joint body. Mount the bellows in its channel from the steering casing.
Mount the auxiliary connecting rod funnel in the steering knuckle support.
Check the tightening of the nut (5) at a moment of 4daNm,on the vehicle.
1
2
3
4
5
67
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36
STEERING ASSEMBLY
36 - 7
I.
DIAGNOSTIC OPERATION
A. Incidents occurring at the deformable lower shaft of the steering column:
a) Vibrations and steering wheel clearance (I1, I2, I3);
b) Noises in steering system operation (I2, I3);
c) Heavily turning, blocking tendencies (I4)
B. Corrective measures which ar e i mperative to r esolve the defe cts:
Incident Incidents (failures) e stablished Correcti ve measures
code
I
1Clearance in one or both cardanic joints. Replace the assembled deformable lower shaft
I
2Clearan ce in the splinted assem bled area between Replace the assembl ed deformable
ass. intermediary shaft and ass. intermediary pipe. lower shaft
I
3Clearance between lower bushing and ass. Replace the assembl ed deformable
intermediary shaft. lower shaft
I
4T ough points of the cardanic joint, blocking Replace the assembl ed deformable
tendencies. lower shaft
TIGHTENING MOMENTS (daNm)
Attachm ent screws of lower shaft connection 1,4
213
D
EFORMABLE LOWER SHAFT
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36
STEERING ASSEMBLY
36 - 8
DISMOUNTING
Disconnect the battery.
Mark the steering wheel position (straight line driving position).
Dismount the connection screw (1) between the deformable lower shaft and the steering
wheel shaft. Loosen the screws of the front left wheel.
Lift the vehicle by means of a two-column elevator.
Dismount the left front wheel.
Dismount the connection screw (2) between the deformable lower shaft and the gear shaft
of the steering box. Dismount the sealing gasket (3) from the cowl panel.
Extract the lower shaft.
ATTENTION !
It is forbidden the damaging of the lower shaft and of the connection parts from the
steering system (steering box gear, steering wheel shaft) when dismounting/remounting
the lower shaft.
REMOUNTING
Clean the steering box gear shaft and grease it with grease UM 185 Li2 or UM 180 Li2.
Perform the dismounting operations in the reverse order. Tighten the connection screws between
the lower shaft and the steering box gear shaft, consequently between the lower shaft and the
steering wheel shaft to the required moment of 1.4 daNm.
D
EFORMABLE LOWER SHAFT
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