E39 series BMW 5

since 1996-2001 of release

Repair and car operation

+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
- Brake system
   Anti-blocking system
   Removal and installation of forward brake shoes
   Removal and installation of a brake disk / support of a forward brake
   Removal and installation of back brake shoes
   Removal and installation of back brake supports
   Removal and installation of a brake disk of back wheels
   Measurement of thickness of a brake disk
   Brake liquid
   Air removal from brake system
   Replacement of brake pipelines
   Replacement of a forward brake hose
   Check of the vacuum amplifier of a brake
   Removal and installation of brake shoes of the parking brake
   Adjustment of the parking brake
   Removal and installation of the lever of the parking brake
   Removal and installation of a cable of the parking brake
   Check and replacement of the switch of a stoplight
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Schemes
+ System of onboard diagnostics


Replacement of brake pipelines

In brake system as rigid communications the pipelines covered with plastic are applied. Communication with lobbies and back wheels is carried out by flexible hoses. The certain experience is necessary for replacement of pipelines and hoses.

At work with pipelines it is necessary to watch to damaging a plastic covering. Pipelines are delivered, as a rule, without trailer fittings. At replacement of pipelines it is necessary to pay attention to diameter of a connecting carving. Put on a pipe the union and развальцуйте the pipe end. Pay attention to execution of the razvaltsovanny end.

When bending a pipe use an old pipe as an example.


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.

Brake liquid is necessary for utilizing in a special way.