E39 series BMW 5

1. Lift and establish the car on supports.
2. Slightly press a pedal of a brake and press it. For this purpose insert between a seat and a pedal wooden whetstone, having moved up and having removed a seat. It excludes a liquid effluence from the tank and hit in air system after a pipeline detachment
3. Unscrew a cap nut and disconnect the pipeline.
4. If it is necessary, close a stopper accession in the direction of the main brake cylinder.
5. The new pipeline lay on the route of the old. Cap nut М12 tighten the moment of 15 Nanometers, М10 the moment of 20 Nanometers.

Do not lay brake pipelines between electric wires. It can bring to retyranny and to failure or the pipeline, or an electric wire. The distance between brake pipelines and electric wires should be not less than 25 mm.

6. Remove air from hydrosystem, address to the Section air Removal from brake system.
Attention, check reliability:
   a) Whether brake hoses are fixed?
   b) Whether the brake hose in the holder is fixed?
   c) Whether the union of removal of air is tightened?
   d) Whether enough brake liquid in the tank?
   e) On the working engine check tightness of system. For this purpose press a brake pedal effort of 200-300 N (20-30 kg) and hold it during 10 pages. The effort of pressure of a pedal of a brake to a foot should not weaken.
   f) Check all connections on tightness.