VW Passat repair


+ 1. Ekspluatatsiiya of the car
+ 2. Maintenance
+ 3. Engines
+ 4. Cooling system
+ 5. Power supply system
+ 6. Ignition system
+ 7. Coupling
+ 8. Transmission
+ 9. Drive of forward wheels
+ 10. Suspension brackets
+ 11. Steering
- 12. Brake system
   12.1. Technical characteristics
   12.2. General information
   + 12.3. Maintenance
   + 12.4. Replacement of forward brake shoes
   12.5. Replacement of a forward support
   12.6. Replacement of a forward brake disk
   12.7. Replacement of a brake drum and back brake shoes on brakes of drum-type type
   12.8. Wheel cylinder of the back brake mechanism
   12.9. Replacement of brake shoes on back disk brakes
   12.10. Replacement of a support of the back brake mechanism
   12.11. Pressure regulator
   12.12. Main brake cylinder
   12.13. Tubes and hoses of brake system
   12.14. Air removal from a hydraulic actuator of brake system
   + 12.15. Anti-blocking system of brakes (ABS)
   12.16. Brake pedal
   12.17. Lever of the parking brake
   12.18. Cables of the parking brake
   12.19. Adjustment of the parking brake
   12.20. Vacuum amplifier of brakes
   12.21. Stoplight switch
   12.22. Elimination of noise of brakes
+ 13. Wheels and tires
+ 14. Systems of heating, ventilation and conditioning
+ 15. Electric equipment
+ 16. Body
+ 17. Electric circuits


Repair B3-B4/Passat B3-B4 Volkswagen Passat>> Brake system>> Replacement of brake shoes on back disk brakes
Removal of brake shoes carry out in the following order:
will hang out a back part of the car and fix on basic racks;
through openings in wheels visually check a condition of external back brake shoes. Internal blocks can be checked, using a small mirror and a portable lamp, examining blocks through openings in a back part of brake supports;

       PREVENTION
Surely make replacement of all blocks on one axis of the car even if the limit of wear were reached by one block. If blocks are repeatedly established, before removal they are necessary for marking.

for check of thickness of overlays of blocks, remove back wheels;
if blocks are repeatedly used, put adjusting labels for the subsequent correct installation;
disconnect from a support a cable of the hand brake;

Fig. 12.13. Support removal on back disk brake mechanisms


unscrew bolts of fastening of a support, holding from a provorachivaniye directing finger. Remove a support and, a wire tie up a support to a suspension bracket (fig. 12.13) ;
take brake shoes from a support;
clear a support of a dust and dirt;
Installation of brake shoes carry out in the following order:
at installation of new brake shoes it is necessary to press the piston into a support;

       PREVENTION
At a piston vvinchivaniye brake liquid is forced out from the brake cylinder in a broad tank therefore constantly supervise level of brake liquid in a tank. If it is necessary, choose liquid from a tank as a syringe.


Fig. 12.14. VW 3131 tool use for piston installation in a support


press the piston into the cylinder, using the VW 3131 tool, pressing it and rotating clockwise (fig. 12.14) , or angular flat-nose pliers for lock rings;
establish brake shoes, watching thus that press springs were directed top parallel to the upper edge of brake shoes. At installation of old blocks on adjusting labels be convinced that they are established correctly;
establish a support and ввыверните new bolts of fastening of a directing finger;

Fig. 12.15. An arrangement of a cable of the parking brake on back disk brake mechanisms


having connected a cable of the parking brake (fig. 12.15) to a support, establish wheels and check operation of the parking brake;
check level of brake liquid and if necessary add liquid to normal level;
press a brake pedal in order that blocks occupied the working provisions.







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