Audi A4

Since 1994 of release

Repair and car operation



Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
- Brakes
   Independent work on brake system
   So the brake system works
   Check of brakes
   Brake liquid
   Check of level of a brake liquid
   Check of brake system on tightness and presence of damages
   Replacement of a brake liquid
   Disk brakes
   Measurement of a thickness of overlays of forward disk brakes
   Check of a condition of brake disks
   Replacement of overlays of disk brakes
   Back disk brakes
   Measurement of overlays of back disk brakes
   Manual brake
   Check of idling of the lever of a manual brake
   The main brake cylinder
   The brake amplifier
   Check of the brake amplifier
   Works on hydraulics of brake system
   Prorolling of brake system
   The help at malfunctions
   ABS and EDS
   What does ABS?
   Function of separate knots
   Electronic system of distribution of brake effort (EBV)
   Infringements in system ABS work
   Electronic blocking of differential (EDS)
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics



Check of idling of the lever of a manual brake

Cable of a manual brake on the case of a back brake support

Brake of a manual brake in model quattro

1 – an emphasis;
2 – a control lever (the lever of a manual brake);
3 – a nipple of a cable of a manual brake;

4 – a spring clip;
5 – a cover of a cable of a manual brake.

Brake of back wheels in front-wheel model Audi

1 – a cover of a cable of a manual brake;
2 – a control lever (the lever of a manual brake);

3 – an emphasis.


 PERFORMANCE ORDER

  1. Action of a manual brake should begin with the third clamp of the lever.
  2. At occurrence in a groove of the fourth tooth back wheels should be blocked.
  3. There is a way of the lever more long it specifies in the erased back brake overlays or the stretched brake cables as the manual brake strongly stretched at each parking.
  4. Usually adjustment of a manual brake is necessary only at cable replacement.

Replacement of a cable of a manual brake

 PERFORMANCE ORDER

  1. Lift and fix a back part of the car.
  2. Loosen the a manual brake.
  3. Dismantle the heat-shielding screen of system of an exhaust in the field of directing a cable of a manual brake.
  4. For this purpose there can be necessary a dismantle of a part of system of an exhaust.
  5. Loosen the a cable of a manual brake on the adjusting device, for this purpose take out fixing collar of an adjusting element and against the stop screw up an adjusting nut.
  6. On the end of a cover of a cable on a brake support wring out spring скобу and remove a nipple of a brake cable from a control lever.
  7. Only in quattro!: take out a cable of a manual brake from a back axis directing at height. Compress for this purpose a sleeve of the directing.
  8. Now take out a cable from various arms on a back axis and on the bottom of the car and remove it.
  9. At height of the lever of a manual brake under the car bottom wring out a cover of a cable of a manual brake from the console (use a screw-driver).
  10. Dismantle a back part of the average console in salon (the head Salon).
  11. Take out from коромысла cables on the lever of a manual brake.
  12. Remove brake cables downwards.
  13. Installation of new brake cables: on коромысле a manual brake remove the inserted plastic details if they are (any more do not put them).
  14. Screw-driver fix коромысло on the average position.
  15. Establish cables of a manual brake from below and hang them on коромысло.
  16. Insert a cover of a cable of a manual brake into the console on the car bottom (under the lever of a manual brake) and enter into a groove.
  17. Stretch a cable of a manual brake on the bottom of the car and put on a control lever brakes of back wheels.
  18. Adjust a manual brake.

Adjustment of a manual brake

At the left: so by a screw-driver it is fixed on the average position коромысло a manual brake.

On the right: a kind of the lever of a manual brake with the dismantled average console (a back part):

1 – коромысло;
2 – nipples of cables of a manual brake (3).

Thanks to the automatic mechanism of adjustment of disk brakes the manual brake needs to be regulated only after replacement of a cable or a brake support.

 PERFORMANCE ORDER

  1. Minimum once vigorously press a brake pedal.
  2. Open a manual brake (the lever of a manual brake below).
  3. Dismantle an ashtray at back seats that there was accessible an underside of the lever of a manual brake (with коромыслом).
  4. Screw-driver fix on the average position коромысло on the lever of a manual brake.
  5. Lift a back part of the car from two parties and fix.
  6. Loosen the a cable of a manual brake in the adjusting mechanism, take out for this purpose fixing collar of the adjusting mechanism and screw up against the stop an adjusting nut.
  7. Shift the device of rough adjustment in the adjusting mechanism.
  8. Now screw up an adjusting nut of the adjusting mechanism until there is visible a groove of a fixing collar.
  9. Again insert fixing collar.
  10. In regular intervals stretch every which way the device of rough adjustment on both covers of brake cables so that brake cables have been tense, but the control lever has not risen yet from an emphasis on a brake support.
  11. Take out a screw-driver from коромысла on the lever of a manual brake.
  12. Three times highly pull the lever of a manual brake.
  13. Once again check up a preliminary tension of cables of a manual brake: at the weakened manual brake control levers on brake supports should rise from an emphasis a maximum on 1,5 mm.
  14. If a preliminary tension not such it needs to be corrected by means of exact installation of the adjusting mechanism.