2004 DACIA SUPERNOVA steering

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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31
FRONT BEARING ELEMENTS
31 - 11
STEERING KNUCKLE
REMOUNTING
NOTE :
Before remounting check the wear of the bearing.
The bearing shall be replaced when t he grease is fl own.
Position and press the steering knuckle together with the “ hub – disk “assembly , performing
the operations in the reverse order, after previously having greased the steering knuckle grooves.
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31
FRONT BEARING ELEMENTS
31 - 12
STEERING KNUCKLE BEARING (35 x 65 x 35)
DISMOUNTING
Dismount the steering knuckle (see chapter
“Dis mounting steering knuckle)
Remove the safety ring from the interior of
the steering knuckle; Depress the bi-c onical bearing, using a F 50 mm
outer diam eter rod.
Place the steering rod using a bushing with inner
diameter F 67 mm.
REMOUNTING
Introduce in the steering knuckle the bearing
support washer
Press the bearing in the steering knuckle, by
means of a 63 mm diameter bushing.
Mount the safety ring in the steering knuckle
NOTE:
The operation shall be performed so that
bushing is no t pressed on the bearing
support washer, in order to perform a correct
mounting and not to damage the bearing. The steering knuckle-bearing a ssembly
shall be placed above the hub – disk assembly
and after centering the support washer, press
the bearing on the hub, using a bushing with
the inner diameter of F 36 mm and an exterior
diameter of F 40 mm.
Continue with the mounting of the steering
knuckle assembly on t he vehicle (see the
chapter “Remounting 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 - 2
AXI
AL BALL JOINT
NOTE
The replacement or the dismount ing- remounting of the steering box, requi res
parallelism adjustment .
1. Noise absorber bearing
2. Assembled case bearing
3. Needle c ase
4. Annular oil ring
5. Safety ring
6. Assembled gear
7. Pusher
8. “0” ring
9. Pusher spring
10. Assembled threaded plug
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