Dacia SuperNova (engine E7J). Manual — part 67
31
FRONT BEARING ELEMENTS
31 - 9
DISMOUNTING
Lift the vehicle by means of a two col-
umns elevator.
Dismount :
- the wheel;
- the two attachment screws M 12 ( B)
of the brake disk assembly on the steering knuckle;
- the brake pads;
- the two sunk screws attaching the
disk on the hub.
BRAKE DISK
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 0,1 mm on a diameter of F 215.
TIGHTENING MOMENTS (daNm)
steering nuckle
6,5
Disk attachment screw on the hub
2,5
Front wheel steering knuckle nut 21
Wheel screws
7,5
Before remounting, check:
- the wear of the flexible hose;
- the wear of the brake pads and
replace them if necessary.
REMOUNTING
Remount :
- the disk on the hub by means of the two
sunk screws M8 and tighten them to the required
moment;
- the brake disk assembly on the steering
knuckle, tightening the M 12 screws at the
required moment.
Press the brake pedal several times, in order
to bring the piston in contact with the brake pads.
NOTE :
In case of replacing the brake disk it is ab-
solutely necessary to replace the brake pads.
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.
Dismount :
- the wheel
- the brake disk assembly together with
the flexible connection;.
- the transmission gear nut.
- the brake disk assembly by means by
means of the PF 600 extractor.
Continue by dismounting the steering
knuckle, observing the operations sequence:
- dismount the steering ball joint nut;
- depress the steering ball joint by
means of the PF 476 extractor;
- dismount the two 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
31
FRONT BEARING ELEMENTS
31 - 11
STEERING KNUCKLE
REMOUNTING
NOTE :
Before remounting check the wear of the bearing.
The bearing shall be replaced when the grease is flown.
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.
31
FRONT BEARING ELEMENTS
31 - 12
STEERING KNUCKLE BEARING (35 x 65 x 35)
DISMOUNTING
Dismount the steering knuckle (see chapter
“Dismounting steering knuckle)
Remove the safety ring from the interior of
the steering knuckle;
Depress the bi-conical bearing, using a
F 50 mm
outer diameter 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 not pressed on the bearing
support washer, in order to perform a correct
mounting and not to damage the bearing.
The steering knuckle-bearing assembly
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 the vehicle (see the
chapter “Remounting steering knuckle”)
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