BMW 7_ая the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
5. Systems of cooling of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Kardanny and power shafts, reducer, differential and stupichny assemblies
11. Brake system
11.1. General information and security measures
11.2. Replacement of brake shoes
11.3. Removal and installation of brake disks
11.4. Removal and installation of supports
11.5. Replacement of brake shoes of the parking brake and their razzhimny mechanism
11.6. Adjustment of the parking brake
11.7. Removal and installation of cables and pedal of a drive of the parking brake
11.8. Removal Д/В of stoplights and pedal of a working brake
11.9. Removal and GTTs installation and its tank
11.10. Removal and installation of the one-pass valve of the vacuum amplifier
11.11. Removal and installation of the vacuum amplifier
11.12. Removal and installation of wheel sensors
11.13. Removal and installation of the electronic control unit of ABS/ASC+T/DSC systems
11.14. Removal and installation hydromodulator of ABS/ASC+T/DSC systems
11.15. Removal and installation of sensors of cross-section acceleration of DSC3
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes



11.1. General information and security measures

General information

All wheels of cars considered in the real Management are equipped with disk brake mechanisms. Brake disks ventilated. The system of anti-blocking of brakes (ABS) is regularly established. The stability (ASC+T/DSC) working at a basis of ABS system are in addition established system of automatic stabilization of stability with a regulator traction effort/system of dynamic stabilization.

The brake system is divided according to the diagonal scheme into two independent hydraulic contours and consists of the main brake cylinder (GTTs), the vacuum amplifier and brake mechanisms. At refusal of one of contours (for example, as a result of sealing violation) the second continues to function in a normal mode, providing adequate braking of the car. Pressure of liquid in both contours is created by the main brake cylinder (GTTs) having a tandemny design. Activation of GTTs occurs when squeezing a pedal of a working brake.

The tank with brake liquid is fixed on GTTs. The amplifier of brakes accumulates a part of the vacuum created in the inlet pipeline of the engine.

The parking brake with a manual lever drive influences through cables the bashmachny assemblies which are a part of brake mechanisms of back wheels.

Pumping and check of brake system, and also replacement of brake liquid are described in Sections Check of brake system and coupling and Replacement of brake liquid and pumping of brake system of Head of Control and routine maintenance of the car.

Security measures

Brake liquid is among highly toxic and chemically aggressive connections and at contact to body panels destroys a paint and varnish covering.

The dust developed in the course of wear process of brake shoes, can contain unhealthy the person asbestos, - at all do not inhale it when cleaning brake mechanisms!

Work with brake system demands special purity and exact observance of instructions. In the absence of necessary experience it is expedient to address on HUNDRED.

At movement on wet roads it is necessary to press periodically a brake pedal for moisture removal from brake disks; in the course of wheel rotation moisture under the influence of centrifugal force is dumped from brake disks, but there is a silicone film, products of an istiraniye of rubber, greasing and the other pollution reducing efficiency of braking!

The disk brake mechanisms damaged by corrosion when braking create the effect of jolting which is not disappearing over time. In that case it is necessary to replace disks.

Dirt burning to a surface of brake shoes leads to formation of furrows on a surface of brake disks that leads to decrease in efficiency of braking.

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11.2. Replacement of brake shoes