| 1. Operation on replacement of a brake liquid is similar to operation of prorolling of brakes except that the tank of a brake liquid should be released from an old brake liquid. |
| 2. Open the first union of prorolling and swing a brake pedal until the old brake liquid leaves the main brake cylinder. Add a brake liquid to label MAX in a tank and pump over once again before occurrence in the union of prorolling of a new brake liquid then screw up the prorolling union. Similarly pump over brake contours of other wheels. |
| 3. At carrying out of prorolling do not suppose lowering of level of a brake liquid in a tank below label MIN. Otherwise air can get to hydraulic brake system. |
| 4. Check up reliability of a tightening of unions of prorolling, establish on them dustproof caps and wipe traces of a brake liquid. |
| 5. Check up action of brake system at car movement on small speed. |