We replace the brake disc in case of cracks or severe scuffing on its surfaces, as well as when it is worn to a thickness of less than 19 mm.
Remove the wheel.
With a 14" head, we unscrew the six bolts securing the brake disc to the hub.
In this case, the hub can be blocked from turning either by pressing the brake pedal
If there is no assistant, insert a metal rod (mounting blade) between the wheel studs and resting it on the floor
Remove the caliper (see Replacing the caliper of the front wheel brake ) and put it next to the beam so that the brake hose does not stretch.
WARNING: Do not press the brake pedal with the caliper removed.
Unscrew the hub cap using sliding pliers or a special “50” key from the standard set.
Unscrew the adjusting nut with pliers and remove the cotter pin
With a special key from the standard set or a 36" head, unscrew the adjusting nut
There is a washer under the nut
Carefully holding the outer bearing from falling out, remove the hub and brake disc.
We install a new brake disc on the hub, lubricating its seat belt and bolts with graphite grease.
Tightening the six disc mounting bolts
We install the hub assembly with the disk on the car in the reverse order of removal.
We adjust the clearance in the hub bearings (see Adjusting the front wheel bearings).
Further assembly is carried out in the reverse order.