10.7. Forward brake disk


1. Lift a forward part of the car and record on supports. Remove the corresponding forward wheel.
2. Slowly turn a brake disk so that it could be considered from two parties. If necessary remove brake shoes. Wear of a brake disk from blocks has to be in admissible limits. If wear exceeds an admissible limit or there are cracks on a disk, the disk is subject to replacement.
3. If necessary clear on perimeter a disk of a rust and brake dust.
4. The indicator of hour type check a beating of a brake disk. Fix the indicator of hour type in any convenient place and, turning a disk, define its beating in several points from its center. If the beating of a disk exceeds admissible limits, the disk is subject to replacement. However failure of the hug bearing can be the cause of a beating of a disk.
5. For check of a beating of inside of a brake disk remove a brake disk from a nave, turn it on 180 °, repeatedly fix on a nave and measure by the indicator of hour type its beating.
6. Check a brake disk for existence of cracks, especially around openings under bolts of fastening of a wheel.


1. Unscrew two bolts of fastening of a support to a nave. Remove a support and, using a soft wire, tie it to a forward rack. At the same time do not deform and do not stretch a brake hose.
2. Using chalk or paint, note the provision of a brake disk concerning a nave.
3. Unscrew the screws fixing a brake disk to a nave and remove a disk.


1. Installation is made in the sequence, the return to removal.
2. Consider the next moments:
     – check that working surfaces of a brake disk and a nave pure and are not deformed;
     – combine earlier made tags, establish a brake disk and fix by screws, having tightened them the required moment;
     – if the new brake disk is established, then, using solvent, clear it of protective lubricant;
     – before screwing up of bolts of fastening of a support cover a carving of bolts with means from unscrewing (Loctite Frenetanch);
     – establish a wheel and lower the car;
     – several times press a brake pedal that brake shoes were established into position.