Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
- Brake system
Replacement of lobbies brake колодок
Removal and installation of disk brake mechanisms of back wheels
Check of a thickness of a brake disk
Removal and installation of a brake disk/support
Adjustment of a lay brake
Brake liquid
Removal of air from brake system
Removal and installation of a brake hose
Check of the amplifier of a brake
Removal, installation and adjustment of the switch of a stoplight
Removal and installation of the lever and cable of a lay brake
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes
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Removal and installation of a brake hose
Brake hoses and pipelines carry out communication of the main brake cylinder with wheel cylinders.
ATTENTION Rigid metal pipelines should be laid in conditions HUNDRED, since. It demands corresponding qualification.
As flexible communications between rigid mobile elements of brake system, for example, supports, and a car body apply hoses. In the presence of visible damages hoses should be replaced.
If the tank of a brake liquid has completely appeared without a liquid (for example, owing to негерметичности in system or as a result of air removal when have forgotten to add a liquid in the empty tank) air gets into pump ABS. In this case air from system it is necessary to delete from reasons of safety in conditions HUNDRED with application of the special device. In the presence of EDS it is in addition necessary to spend adjustment with tester application. At installation of a new brake hose also it is necessary to remove air from system with application of the special device.
Do not suppose contact of brake hoses to oil and fuel, do not coat brake hoses or means for protection of the bottom of the car against corrosion.
REMOVAL
ATTENTION Observe rules of the reference with the brake liquid, resulted In subsection the Brake liquid.
| PERFORMANCE ORDER |
| 1. Lift and establish the car on supports. | | 2. Remove a support, thus address to subsection Removal and installation of a brake disk/support. | | 3. Disconnect a brake hose at directing and the holder муфты. | 4. Disconnect a brake hose from the pipeline and at a support. Thus do not braid a brake hose. If it is necessary to replace a brake hose at a support, it is necessary to remove a support preliminary.
ATTENTION Wipe a rag the flowed out brake liquid. Close a corresponding stopper pipeline joining in a direction of the brake cylinder.
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INSTALLATION
| PERFORMANCE ORDER |
1. Establish only the brake hoses resolved by manufacturer. Establish a new hose so that it sagged without twisting and fix its moment 15 Н•м to the brake pipeline.
ATTENTION
Fix a hose to a support with new sealing rings, a connecting bolt (a hollow bolt) to a support fix the moment 35 Н•м.
| | 2. After installation at the unloaded wheels, having lifted the car, turn a steering wheel on the left and to the right and check up, that the hose followed all movements of a wheel, without concerning adjacent designs. | | 3. Establish a support, thus address to subsection Removal and installation of a brake disk/support. | | 4. Lower the car on wheels. | 5. Check up on the car standing on the earth, whether the hose follows all movements of a wheel, without concerning adjacent designs.
ATTENTION Inspect reliability:
– Whether fastenings of brake hoses are reliably tightened?
– Whether the brake hose in the holder is fixed?
– Whether unions of removal of air are tightened?
– Whether it is enough in the tank of a brake liquid?
– At the working engine check up tightness of system. For this purpose press a pedal of a brake effort 200 – 300 Н (20 – 30 kg) during 10 with. The pedal should not depart. Check up on tightness all connections.
| | 6. Remove air from system in conditions HUNDRED. | | 7. Check up action of system of braking on road with неинтенсивным. | |
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